--- contrib/tzdata/Makefile.orig +++ contrib/tzdata/Makefile @@ -35,11 +35,13 @@ LOCALTIME= GMT -# If you want something other than Eastern United States time as a template -# for handling ruleless POSIX-style timezone environment variables, +# The POSIXRULES macro controls interpretation of nonstandard and obsolete +# POSIX-like TZ settings like TZ='EET-2EEST' that lack DST transition rules. +# In the reference implementation, if you want something other than Eastern +# United States time as a template for handling these settings, you can # change the line below (after finding the timezone you want in the # one of the $(TDATA) source files, or adding it to a source file). -# A ruleless environment setting like TZ='CST6CDT' uses the rules in the +# A setting like TZ='EET-2EEST' is supposed to use the rules in the # template file to determine "spring forward" and "fall back" days and # times; the environment variable itself specifies UT offsets of standard and # daylight saving time. @@ -49,6 +51,17 @@ # Use the command # make zonenames # to get a list of the values you can use for POSIXRULES. +# +# If POSIXRULES is empty, no template is installed; this is the intended +# future default for POSIXRULES. +# +# Nonempty POSIXRULES is obsolete and should not be relied on, because: +# * It does not work correctly in popular implementations such as GNU/Linux. +# * It does not work in the tzdb implementation for timestamps after 2037. +# * It is incompatible with 'zic -b slim' if POSIXRULES specifies transitions +# at standard time or UT rather than at local time. +# In short, software should avoid ruleless settings like TZ='EET-2EEST' +# and so should not depend on the value of POSIXRULES. POSIXRULES= America/New_York @@ -231,6 +244,13 @@ # other than simply getting garbage data # -DUSE_LTZ=0 to build zdump with the system time zone library # Also set TZDOBJS=zdump.o and CHECK_TIME_T_ALTERNATIVES= below. +# -DZIC_BLOAT_DEFAULT=\"slim\" to default zic's -b option to "slim", and +# similarly for "fat". Fat TZif files work around incompatibilities +# and bugs in some TZif readers, notably readers that mishandle 64-bit +# data in TZif files. Slim TZif files are more efficient and do not +# work around these incompatibilities and bugs. If not given, the +# current default is "fat" but this is intended to change as readers +# requiring fat files often mishandle timestamps after 2037 anyway. # -DZIC_MAX_ABBR_LEN_WO_WARN=3 # (or some other number) to set the maximum time zone abbreviation length # that zic will accept without a warning (the default is 6) @@ -364,7 +384,9 @@ # To shrink the size of installed TZif files, # append "-r @N" to omit data before N-seconds-after-the-Epoch. -# See the zic man page for more about -r. +# You can also append "-b slim" if that is not already the default; +# see ZIC_BLOAT_DEFAULT above. +# See the zic man page for more about -b and -r. ZFLAGS= # How to use zic to install TZif files. @@ -388,6 +410,9 @@ # Name of curl , used for HTML validation. CURL= curl +# Name of GNU Privacy Guard , used to sign distributions. +GPG= gpg + # The path where SGML DTDs are kept and the catalog file(s) to use when # validating HTML 4.01. The default should work on both Debian and Red Hat. SGML_TOPDIR= /usr @@ -562,7 +587,9 @@ '$(DESTDIR)$(LIBDIR)' \ '$(DESTDIR)$(MANDIR)/man3' '$(DESTDIR)$(MANDIR)/man5' \ '$(DESTDIR)$(MANDIR)/man8' - $(ZIC_INSTALL) -l $(LOCALTIME) -p $(POSIXRULES) \ + $(ZIC_INSTALL) -l $(LOCALTIME) \ + `case '$(POSIXRULES)' in ?*) echo '-p';; esac \ + ` $(POSIXRULES) \ -t '$(DESTDIR)$(TZDEFAULT)' cp -f $(TABDATA) '$(DESTDIR)$(TZDIR)/.' cp tzselect '$(DESTDIR)$(BINDIR)/.' @@ -781,12 +808,6 @@ check_sorted: backward backzone iso3166.tab zone.tab zone1970.tab $(AWK) '/^Link/ {print $$3}' backward | LC_ALL=C sort -cu $(AWK) '/^Zone/ {print $$2}' backzone | LC_ALL=C sort -cu - $(AWK) '/^[^#]/ {print $$1}' iso3166.tab | LC_ALL=C sort -cu - $(AWK) '/^[^#]/ {print $$1}' zone.tab | LC_ALL=C sort -c - $(AWK) '/^[^#]/ {print substr($$0, 1, 2)}' zone1970.tab | \ - LC_ALL=C sort -c - $(AWK) '/^[^#]/ $(CHECK_CC_LIST)' zone1970.tab | \ - LC_ALL=C sort -cu touch $@ check_links: checklinks.awk $(TDATA_TO_CHECK) tzdata.zi @@ -1051,7 +1072,7 @@ tzdata$(VERSION)-rearguard.tar.gz.asc: tzdata$(VERSION)-rearguard.tar.gz tzdb-$(VERSION).tar.lz.asc: tzdb-$(VERSION).tar.lz $(ALL_ASC): - gpg2 --armor --detach-sign $? + $(GPG) --armor --detach-sign $? TYPECHECK_CFLAGS = $(CFLAGS) -DTYPECHECK -D__time_t_defined -D_TIME_T typecheck: typecheck_long_long typecheck_unsigned --- contrib/tzdata/NEWS.orig +++ contrib/tzdata/NEWS @@ -1,8 +1,102 @@ News for the tz database -Release 20198 - 2019-03-25 22:01:33 -0700 +Release 2019b - 2019-07-01 00:09:53 -0700 Briefly: + Brazil no longer observes DST. + 'zic -b slim' outputs smaller TZif files; please try it out. + Palestine's 2019 spring-forward transition was on 03-29, not 03-30. + + Changes to future timestamps + + Brazil has canceled DST and will stay on standard time indefinitely. + (Thanks to Steffen Thorsen, Marcus Diniz, and Daniel Soares de + Oliveira.) + + Predictions for Morocco now go through 2087 instead of 2037, to + work around a problem on newlib when using TZif files output by + zic 2019a or earlier. (Problem reported by David Gauchard.) + + Changes to past and future timestamps + + Palestine's 2019 spring transition was 03-29 at 00:00, not 03-30 + at 01:00. (Thanks to Sharef Mustafa and Even Scharning.) Guess + future transitions to be March's last Friday at 00:00. + + Changes to past timestamps + + Hong Kong's 1941-06-15 spring-forward transition was at 03:00, not + 03:30. Its 1945 transition from JST to HKT was on 11-18 at 02:00, + not 09-15 at 00:00. In 1946 its spring-forward transition was on + 04-21 at 00:00, not the previous day at 03:30. From 1946 through + 1952 its fall-back transitions occurred at 04:30, not at 03:30. + In 1947 its fall-back transition was on 11-30, not 12-30. + (Thanks to P Chan.) + + Changes to past time zone abbreviations + + Italy's 1866 transition to Rome Mean Time was on December 12, not + September 22. This affects only the time zone abbreviation for + Europe/Rome between those dates. (Thanks to Stephen Trainor and + Luigi Rosa.) + + Changes affecting metadata only + + Add info about the Crimea situation in zone1970.tab and zone.tab. + (Problem reported by Serhii Demediuk.) + + Changes to code + + zic's new -b option supports a way to control data bloat and to + test for year-2038 bugs in software that reads TZif files. + 'zic -b fat' and 'zic -b slim' generate larger and smaller output; + for example, changing from fat to slim shrinks the Europe/London + file from 3648 to 1599 bytes, saving about 56%. Fat and slim + files represent the same set of timestamps and use the same TZif + format as documented in tzfile(5) and in Internet RFC 8536. + Fat format attempts to work around bugs or incompatibilities in + older software, notably software that mishandles 64-bit TZif data + or uses obsolete TZ strings like "EET-2EEST" that lack DST rules. + Slim format is more efficient and does not work around 64-bit bugs + or obsolete TZ strings. Currently zic defaults to fat format + unless you compile with -DZIC_BLOAT_DEFAULT=\"slim\"; this + out-of-the-box default is intended to change in future releases + as the buggy software often mishandles timestamps anyway. + + zic no longer treats a set of rules ending in 2037 specially. + Previously, zic assumed that such a ruleset meant that future + timestamps could not be predicted, and therefore omitted a + POSIX-like TZ string in the TZif output. The old behavior is no + longer needed for current tzdata, and caused problems with newlib + when used with older tzdata (reported by David Gauchard). + + zic no longer generates some artifact transitions. For example, + Europe/London no longer has a no-op transition in January 1996. + + Changes to build procedure + + tzdata.zi now assumes zic 2017c or later. This shrinks tzdata.zi + by a percent or so. + + Changes to documentation and commentary + + The Makefile now documents the POSIXRULES macro as being obsolete, + and similarly, zic's -p POSIXRULES option is now documented as + being obsolete. Although the POSIXRULES feature still exists and + works as before, in practice it is rarely used for its intended + purpose, and it does not work either in the default reference + implementation (for timestamps after 2037) or in common + implementations such as GNU/Linux (for contemporary timestamps). + Since POSIXRULES was designed primarily as a temporary transition + facility for System V platforms that died off decades ago, it is + being decommissioned rather than institutionalized. + + New info on Bonin Islands and Marcus (thanks to Wakaba and Phake Nick). + + +Release 2019a - 2019-03-25 22:01:33 -0700 + + Briefly: Palestine "springs forward" on 2019-03-30 instead of 2019-03-23. Metlakatla "fell back" to rejoin Alaska Time on 2019-01-20 at 02:00. @@ -481,7 +575,7 @@ The code is a bit more portable to MS-Windows. Installers can compile with -DRESERVE_STD_EXT_IDS on MS-Windows platforms that reserve identifiers like 'localtime'. (Thanks to Manuela - Friedrich). + Friedrich.) Changes to documentation and commentary @@ -2276,7 +2370,7 @@ warlord Jin Shuren in the data. Commentary about the coverage of each Russian zone has been standardized. - (Thanks to Tim Parenti). + (Thanks to Tim Parenti.) There is new commentary about contemporary timekeeping in Ethiopia. @@ -2724,7 +2818,7 @@ Change the UT offset of Bern Mean Time from 0:29:44 to 0:29:46. This affects Europe/Zurich timestamps from 1853 to 1894. (Thanks - to Alois Treindl). + to Alois Treindl.) Change the date of the circa-1850 Zurich transition from 1849-09-12 to 1853-07-16, overriding Shanks with data from Messerli about @@ -3034,7 +3128,7 @@ (Thanks to Arthur David Olson.) Improve the commentary about which districts observe what times - in Russia. (Thanks to Oscar van Vlijmen and Arthur David Olson). + in Russia. (Thanks to Oscar van Vlijmen and Arthur David Olson.) Add web page links to tz.js. --- contrib/tzdata/africa.orig +++ contrib/tzdata/africa @@ -89,7 +89,7 @@ Rule Algeria 1980 only - Oct 31 2:00 0 - # Shanks & Pottenger give 0:09:20 for Paris Mean Time; go with Howse's # more precise 0:09:21. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Africa/Algiers 0:12:12 - LMT 1891 Mar 15 0:01 0:09:21 - PMT 1911 Mar 11 # Paris Mean Time 0:00 Algeria WE%sT 1940 Feb 25 2:00 @@ -124,7 +124,7 @@ # For now, ignore that and follow the 1911-05-26 Portuguese decree # (see Europe/Lisbon). # -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Atlantic/Cape_Verde -1:34:04 - LMT 1912 Jan 01 2:00u # Praia -2:00 - -02 1942 Sep -2:00 1:00 -01 1945 Oct 15 @@ -135,7 +135,7 @@ # See Africa/Lagos. # Chad -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Africa/Ndjamena 1:00:12 - LMT 1912 # N'Djamena 1:00 - WAT 1979 Oct 14 1:00 1:00 WAST 1980 Mar 8 @@ -151,7 +151,7 @@ # See Africa/Lagos. # Côte d'Ivoire / Ivory Coast -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Africa/Abidjan -0:16:08 - LMT 1912 0:00 - GMT Link Africa/Abidjan Africa/Bamako # Mali @@ -356,7 +356,7 @@ Rule Egypt 2014 only - Jul 31 24:00 1:00 S Rule Egypt 2014 only - Sep lastThu 24:00 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Africa/Cairo 2:05:09 - LMT 1900 Oct 2:00 Egypt EE%sT @@ -414,7 +414,7 @@ # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Ghana 1920 1942 - Sep 1 0:00 0:20 - Rule Ghana 1920 1942 - Dec 31 0:00 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Africa/Accra -0:00:52 - LMT 1918 0:00 Ghana GMT/+0020 @@ -428,13 +428,13 @@ # evidently confusing the date of the Portuguese decree # (see Europe/Lisbon) with the date that it took effect. # -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Africa/Bissau -1:02:20 - LMT 1912 Jan 1 1:00u -1:00 - -01 1975 0:00 - GMT # Kenya -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Africa/Nairobi 2:27:16 - LMT 1928 Jul 3:00 - EAT 1930 2:30 - +0230 1940 @@ -469,7 +469,7 @@ # Use the abbreviation "MMT" before 1972, as the more-accurate numeric # abbreviation "-004430" would be one byte over the POSIX limit. # -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Africa/Monrovia -0:43:08 - LMT 1882 -0:43:08 - MMT 1919 Mar # Monrovia Mean Time -0:44:30 - MMT 1972 Jan 7 # approximately MMT @@ -519,7 +519,7 @@ Rule Libya 1997 only - Oct 4 0:00 0 - Rule Libya 2013 only - Mar lastFri 1:00 1:00 S Rule Libya 2013 only - Oct lastFri 2:00 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Africa/Tripoli 0:52:44 - LMT 1920 1:00 Libya CE%sT 1959 2:00 - EET 1982 @@ -629,7 +629,7 @@ Rule Mauritius 1983 only - Mar 21 0:00 0 - Rule Mauritius 2008 only - Oct lastSun 2:00 1:00 - Rule Mauritius 2009 only - Mar lastSun 2:00 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Indian/Mauritius 3:50:00 - LMT 1907 # Port Louis 4:00 Mauritius +04/+05 # Agalega Is, Rodriguez @@ -860,18 +860,24 @@ # the week end after.... The government does not announce yet the decision # about this temporary change. But it s 99% sure that it will be the case, # as in previous years. An unofficial survey was done these days, showing -# that 64% of asked peopke are ok for moving from +1 to +0 during Ramadan. +# that 64% of asked people are ok for moving from +1 to +0 during Ramadan. # https://leconomiste.com/article/1035870-enquete-l-economiste-sunergia-64-des-marocains-plebiscitent-le-gmt-pendant-ramadan + +# From Naoufal Semlali (2019-04-16): +# Morocco will be on GMT starting from Sunday, May 5th 2019 at 3am. +# The switch to GMT+1 will occur on Sunday, June 9th 2019 at 2am.... +# http://fr.le360.ma/societe/voici-la-date-du-retour-a-lheure-legale-au-maroc-188222 # -# From Paul Eggert (2018-11-01): -# For now, guess that Morocco will fall back at 03:00 the last Sunday -# before Ramadan, and spring forward at 02:00 the first Sunday after +# From Paul Eggert (2019-05-20): +# This agrees with our 2018-11-01 guess that the Moroccan government +# would continue the practice of falling back at 03:00 the last Sunday +# before Ramadan, and of springing forward at 02:00 the first Sunday after # Ramadan, as this has been the practice since 2012. To implement this, -# transition dates for 2019 through 2037 were determined by running the -# following program under GNU Emacs 26.1. +# transition dates for 2019 through 2087 were determined by running the +# following program under GNU Emacs 26.2. # (let ((islamic-year 1440)) # (require 'cal-islam) -# (while (< islamic-year 1460) +# (while (< islamic-year 1511) # (let ((a (calendar-islamic-to-absolute (list 9 1 islamic-year))) # (b (calendar-islamic-to-absolute (list 10 1 islamic-year))) # (sunday 0)) @@ -970,8 +976,114 @@ Rule Morocco 2036 only - Nov 23 2:00 0 - Rule Morocco 2037 only - Oct 4 3:00 -1:00 - Rule Morocco 2037 only - Nov 15 2:00 0 - +Rule Morocco 2038 only - Sep 26 3:00 -1:00 - +Rule Morocco 2038 only - Oct 31 2:00 0 - +Rule Morocco 2039 only - Sep 18 3:00 -1:00 - +Rule Morocco 2039 only - Oct 23 2:00 0 - +Rule Morocco 2040 only - Sep 2 3:00 -1:00 - +Rule Morocco 2040 only - Oct 14 2:00 0 - +Rule Morocco 2041 only - Aug 25 3:00 -1:00 - +Rule Morocco 2041 only - Sep 29 2:00 0 - +Rule Morocco 2042 only - Aug 10 3:00 -1:00 - +Rule Morocco 2042 only - Sep 21 2:00 0 - +Rule Morocco 2043 only - Aug 2 3:00 -1:00 - +Rule Morocco 2043 only - Sep 6 2:00 0 - +Rule Morocco 2044 only - Jul 24 3:00 -1:00 - +Rule Morocco 2044 only - Aug 28 2:00 0 - +Rule Morocco 2045 only - Jul 9 3:00 -1:00 - +Rule Morocco 2045 only - Aug 20 2:00 0 - +Rule Morocco 2046 only - Jul 1 3:00 -1:00 - +Rule Morocco 2046 only - Aug 5 2:00 0 - +Rule Morocco 2047 only - Jun 23 3:00 -1:00 - +Rule Morocco 2047 only - Jul 28 2:00 0 - +Rule Morocco 2048 only - Jun 7 3:00 -1:00 - +Rule Morocco 2048 only - Jul 19 2:00 0 - +Rule Morocco 2049 only - May 30 3:00 -1:00 - +Rule Morocco 2049 only - Jul 4 2:00 0 - +Rule Morocco 2050 only - May 15 3:00 -1:00 - +Rule Morocco 2050 only - Jun 26 2:00 0 - +Rule Morocco 2051 only - May 7 3:00 -1:00 - +Rule Morocco 2051 only - Jun 11 2:00 0 - +Rule Morocco 2052 only - Apr 28 3:00 -1:00 - +Rule Morocco 2052 only - Jun 2 2:00 0 - +Rule Morocco 2053 only - Apr 13 3:00 -1:00 - +Rule Morocco 2053 only - May 25 2:00 0 - +Rule Morocco 2054 only - Apr 5 3:00 -1:00 - +Rule Morocco 2054 only - May 10 2:00 0 - +Rule Morocco 2055 only - Mar 28 3:00 -1:00 - +Rule Morocco 2055 only - May 2 2:00 0 - +Rule Morocco 2056 only - Mar 12 3:00 -1:00 - +Rule Morocco 2056 only - Apr 23 2:00 0 - +Rule Morocco 2057 only - Mar 4 3:00 -1:00 - +Rule Morocco 2057 only - Apr 8 2:00 0 - +Rule Morocco 2058 only - Feb 17 3:00 -1:00 - +Rule Morocco 2058 only - Mar 31 2:00 0 - +Rule Morocco 2059 only - Feb 9 3:00 -1:00 - +Rule Morocco 2059 only - Mar 16 2:00 0 - +Rule Morocco 2060 only - Feb 1 3:00 -1:00 - +Rule Morocco 2060 only - Mar 7 2:00 0 - +Rule Morocco 2061 only - Jan 16 3:00 -1:00 - +Rule Morocco 2061 only - Feb 27 2:00 0 - +Rule Morocco 2062 only - Jan 8 3:00 -1:00 - +Rule Morocco 2062 only - Feb 12 2:00 0 - +Rule Morocco 2062 only - Dec 31 3:00 -1:00 - +Rule Morocco 2063 only - Feb 4 2:00 0 - +Rule Morocco 2063 only - Dec 16 3:00 -1:00 - +Rule Morocco 2064 only - Jan 20 2:00 0 - +Rule Morocco 2064 only - Dec 7 3:00 -1:00 - +Rule Morocco 2065 only - Jan 11 2:00 0 - +Rule Morocco 2065 only - Nov 22 3:00 -1:00 - +Rule Morocco 2066 only - Jan 3 2:00 0 - +Rule Morocco 2066 only - Nov 14 3:00 -1:00 - +Rule Morocco 2066 only - Dec 19 2:00 0 - +Rule Morocco 2067 only - Nov 6 3:00 -1:00 - +Rule Morocco 2067 only - Dec 11 2:00 0 - +Rule Morocco 2068 only - Oct 21 3:00 -1:00 - +Rule Morocco 2068 only - Dec 2 2:00 0 - +Rule Morocco 2069 only - Oct 13 3:00 -1:00 - +Rule Morocco 2069 only - Nov 17 2:00 0 - +Rule Morocco 2070 only - Oct 5 3:00 -1:00 - +Rule Morocco 2070 only - Nov 9 2:00 0 - +Rule Morocco 2071 only - Sep 20 3:00 -1:00 - +Rule Morocco 2071 only - Oct 25 2:00 0 - +Rule Morocco 2072 only - Sep 11 3:00 -1:00 - +Rule Morocco 2072 only - Oct 16 2:00 0 - +Rule Morocco 2073 only - Aug 27 3:00 -1:00 - +Rule Morocco 2073 only - Oct 8 2:00 0 - +Rule Morocco 2074 only - Aug 19 3:00 -1:00 - +Rule Morocco 2074 only - Sep 23 2:00 0 - +Rule Morocco 2075 only - Aug 11 3:00 -1:00 - +Rule Morocco 2075 only - Sep 15 2:00 0 - +Rule Morocco 2076 only - Jul 26 3:00 -1:00 - +Rule Morocco 2076 only - Sep 6 2:00 0 - +Rule Morocco 2077 only - Jul 18 3:00 -1:00 - +Rule Morocco 2077 only - Aug 22 2:00 0 - +Rule Morocco 2078 only - Jul 10 3:00 -1:00 - +Rule Morocco 2078 only - Aug 14 2:00 0 - +Rule Morocco 2079 only - Jun 25 3:00 -1:00 - +Rule Morocco 2079 only - Jul 30 2:00 0 - +Rule Morocco 2080 only - Jun 16 3:00 -1:00 - +Rule Morocco 2080 only - Jul 21 2:00 0 - +Rule Morocco 2081 only - Jun 1 3:00 -1:00 - +Rule Morocco 2081 only - Jul 13 2:00 0 - +Rule Morocco 2082 only - May 24 3:00 -1:00 - +Rule Morocco 2082 only - Jun 28 2:00 0 - +Rule Morocco 2083 only - May 16 3:00 -1:00 - +Rule Morocco 2083 only - Jun 20 2:00 0 - +Rule Morocco 2084 only - Apr 30 3:00 -1:00 - +Rule Morocco 2084 only - Jun 11 2:00 0 - +Rule Morocco 2085 only - Apr 22 3:00 -1:00 - +Rule Morocco 2085 only - May 27 2:00 0 - +Rule Morocco 2086 only - Apr 14 3:00 -1:00 - +Rule Morocco 2086 only - May 19 2:00 0 - +Rule Morocco 2087 only - Mar 30 3:00 -1:00 - +Rule Morocco 2087 only - May 4 2:00 0 - +# For dates after the somewhat-arbitrary cutoff of 2087, assume that +# Morocco will no longer observe DST. At some point this table will +# need to be extended, though quite possibly Morocco will change the +# rules first. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Africa/Casablanca -0:30:20 - LMT 1913 Oct 26 0:00 Morocco +00/+01 1984 Mar 16 1:00 - +01 1986 @@ -1001,7 +1113,7 @@ # https://dre.pt/pdf1sdip/1911/05/12500/23132313.pdf # merely made it official? # -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Africa/Maputo 2:10:20 - LMT 1903 Mar 2:00 - CAT Link Africa/Maputo Africa/Blantyre # Malawi @@ -1073,7 +1185,7 @@ #Rule Namibia 1995 2017 - Apr Sun>=1 2:00 0 WAT # End of rearguard section. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Africa/Windhoek 1:08:24 - LMT 1892 Feb 8 1:30 - +0130 1903 Mar 2:00 - SAST 1942 Sep 20 2:00 @@ -1094,7 +1206,7 @@ # See Africa/Lagos. # Nigeria -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Africa/Lagos 0:13:36 - LMT 1919 Sep 1:00 - WAT Link Africa/Lagos Africa/Bangui # Central African Republic @@ -1108,7 +1220,7 @@ Link Africa/Lagos Africa/Porto-Novo # Benin # Réunion -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Indian/Reunion 3:41:52 - LMT 1911 Jun # Saint-Denis 4:00 - +04 # @@ -1168,7 +1280,7 @@ # See Africa/Abidjan. # Seychelles -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Indian/Mahe 3:41:48 - LMT 1906 Jun # Victoria 4:00 - +04 # From Paul Eggert (2001-05-30): @@ -1188,7 +1300,7 @@ # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule SA 1942 1943 - Sep Sun>=15 2:00 1:00 - Rule SA 1943 1944 - Mar Sun>=15 2:00 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Africa/Johannesburg 1:52:00 - LMT 1892 Feb 8 1:30 - SAST 1903 Mar 2:00 SA SAST @@ -1223,7 +1335,7 @@ Rule Sudan 1970 1985 - Oct 15 0:00 0 - Rule Sudan 1971 only - Apr 30 0:00 1:00 S Rule Sudan 1972 1985 - Apr lastSun 0:00 1:00 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Africa/Khartoum 2:10:08 - LMT 1931 2:00 Sudan CA%sT 2000 Jan 15 12:00 3:00 - EAT 2017 Nov 1 @@ -1230,7 +1342,7 @@ 2:00 - CAT # South Sudan -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Africa/Juba 2:06:28 - LMT 1931 2:00 Sudan CA%sT 2000 Jan 15 12:00 3:00 - EAT @@ -1336,7 +1448,7 @@ # Shanks & Pottenger give 0:09:20 for Paris Mean Time; go with Howse's # more precise 0:09:21. # Shanks & Pottenger say the 1911 switch was on Mar 9; go with Howse's Mar 11. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Africa/Tunis 0:40:44 - LMT 1881 May 12 0:09:21 - PMT 1911 Mar 11 # Paris Mean Time 1:00 Tunisia CE%sT --- contrib/tzdata/antarctica.orig +++ contrib/tzdata/antarctica @@ -13,7 +13,7 @@ # for information. # Unless otherwise specified, we have no time zone information. -# FORMAT is '-00' and GMTOFF is 0 for locations while uninhabited. +# FORMAT is '-00' and STDOFF is 0 for locations while uninhabited. # Argentina - year-round bases # Belgrano II, Confin Coast, -770227-0343737, since 1972-02-05 @@ -70,7 +70,7 @@ # Australian Antarctica Division informed us that Casey changed time # zone to UTC+11 in "the morning of 22nd October 2016". -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Antarctica/Casey 0 - -00 1969 8:00 - +08 2009 Oct 18 2:00 11:00 - +11 2010 Mar 5 2:00 @@ -142,7 +142,7 @@ # St Paul Island - near Amsterdam, uninhabited # fishing stations operated variously 1819/1931 # -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Indian/Kerguelen 0 - -00 1950 # Port-aux-Français 5:00 - +05 # @@ -153,7 +153,7 @@ # Another base at Port-Martin, 50km east, began operation in 1947. # It was destroyed by fire on 1952-01-14. # -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Antarctica/DumontDUrville 0 - -00 1947 10:00 - +10 1952 Jan 14 0 - -00 1956 Nov @@ -181,7 +181,7 @@ # Syowa station, which is the first antarctic station of Japan, # was established on 1957-01-29. Since Syowa station is still the main # station of Japan, it's appropriate for the principal location. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Antarctica/Syowa 0 - -00 1957 Jan 29 3:00 - +03 # See: @@ -231,7 +231,7 @@ #Rule Troll 2004 max - Nov 7 1:00u 0:00 +00 # Remove the following line when uncommenting the above '#Rule' lines. Rule Troll 2004 max - Oct lastSun 1:00u 0:00 +00 -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Antarctica/Troll 0 - -00 2005 Feb 12 0:00 Troll %s @@ -305,7 +305,7 @@ # From Paul Eggert (2002-10-22) # says Rothera is -03 all year. # -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Antarctica/Rothera 0 - -00 1976 Dec 1 -3:00 - -03 --- contrib/tzdata/asia.orig +++ contrib/tzdata/asia @@ -84,7 +84,7 @@ Rule RussiaAsia 1996 2010 - Oct lastSun 2:00s 0 - # Afghanistan -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Kabul 4:36:48 - LMT 1890 4:00 - +04 1945 4:30 - +0430 @@ -117,7 +117,7 @@ # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Armenia 2011 only - Mar lastSun 2:00s 1:00 - Rule Armenia 2011 only - Oct lastSun 2:00s 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Yerevan 2:58:00 - LMT 1924 May 2 3:00 - +03 1957 Mar 4:00 RussiaAsia +04/+05 1991 Mar 31 2:00s @@ -143,7 +143,7 @@ # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Azer 1997 2015 - Mar lastSun 4:00 1:00 - Rule Azer 1997 2015 - Oct lastSun 5:00 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Baku 3:19:24 - LMT 1924 May 2 3:00 - +03 1957 Mar 4:00 RussiaAsia +04/+05 1991 Mar 31 2:00s @@ -231,7 +231,7 @@ Rule Dhaka 2009 only - Jun 19 23:00 1:00 - Rule Dhaka 2009 only - Dec 31 24:00 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Dhaka 6:01:40 - LMT 1890 5:53:20 - HMT 1941 Oct # Howrah Mean Time? 6:30 - +0630 1942 May 15 @@ -241,7 +241,7 @@ 6:00 Dhaka +06/+07 # Bhutan -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Thimphu 5:58:36 - LMT 1947 Aug 15 # or Thimbu 5:30 - +0530 1987 Oct 6:00 - +06 @@ -252,13 +252,13 @@ # We have no information as to when standard time was introduced; # assume it occurred in 1907, the same year as Mauritius (which # then contained the Chagos Archipelago). -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Indian/Chagos 4:49:40 - LMT 1907 5:00 - +05 1996 6:00 - +06 # Brunei -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Brunei 7:39:40 - LMT 1926 Mar # Bandar Seri Begawan 7:30 - +0730 1933 8:00 - +08 @@ -273,7 +273,7 @@ # of Greenwich." This refers to the period before Burma's transition to +0630, # a transition for which Shanks is the only source. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Yangon 6:24:47 - LMT 1880 # or Rangoon 6:24:47 - RMT 1920 # Rangoon local time 6:30 - +0630 1942 May @@ -561,7 +561,7 @@ # that the sort of users who prefer Asia/Urumqi now typically ignored the # +08 mandate back then. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] # Beijing time, used throughout China; represented by Shanghai. Zone Asia/Shanghai 8:05:43 - LMT 1901 8:00 Shang C%sT 1949 May 28 @@ -652,11 +652,41 @@ # https://i.imgur.com/05KkvtC.png # * 1941-09-30, Hong Kong Daily Press, Winter Time Warning. # https://i.imgur.com/dge4kFJ.png -# Also, the Liberation day of Hong Kong after WWII which British rule -# over the territory resumed was August 30, 1945, which I think should -# be the termination date for the use of JST in the territory.... -# From Paul Eggert (2018-11-17): +# From P Chan (2018-12-31): +# * According to the Hong Kong Daylight-Saving Regulations, 1941, the +# 1941 spring-forward transition was at 03:00. +# http://sunzi.lib.hku.hk/hkgro/view/g1941/304271.pdf +# http://sunzi.lib.hku.hk/hkgro/view/g1941/305516.pdf +# * According to some articles from South China Morning Post, +08 was +# resumed on 1945-11-18 at 02:00. +# https://i.imgur.com/M2IsZ3c.png +# https://i.imgur.com/iOPqrVo.png +# https://i.imgur.com/fffcGDs.png +# * Some newspapers ... said the 1946 spring-forward transition was on +# 04-21 at 00:00. The Kung Sheung Evening News 1946-04-20 (Chinese) +# https://i.imgur.com/ZSzent0.png +# https://mmis.hkpl.gov.hk///c/portal/cover?c=QF757YsWv5%2FH7zGe%2FKF%2BFLYsuqGhRBfe p.4 +# The Kung Sheung Daily News 1946-04-21 (Chinese) +# https://i.imgur.com/7ecmRlcm.png +# https://mmis.hkpl.gov.hk///c/portal/cover?c=QF757YsWv5%2BQBGt1%2BwUj5qG2GqtwR3Wh p.4 +# * According to the Summer Time Ordinance (1946), the fallback +# transitions between 1946 and 1952 were at 03:30 Standard Time (+08) +# http://oelawhk.lib.hku.hk/archive/files/bb74b06a74d5294620a15de560ab33c6.pdf +# * Some other laws and regulations related to DST from 1953 to 1979 +# Summer Time Ordinance 1953 +# https://i.imgur.com/IOlJMav.jpg +# Summer Time (Amendment) Ordinance 1965 +# https://i.imgur.com/8rofeLa.jpg +# Interpretation and General Clauses Ordinance (1966) +# https://i.imgur.com/joy3msj.jpg +# Emergency (Summer Time) Regulation 1973 +# Interpretation and General Clauses (Amendment) Ordinance 1977 +# https://i.imgur.com/RaNqnc4.jpg +# Resolution of the Legislative Council passed on 9 May 1979 +# https://www.legco.gov.hk/yr78-79/english/lc_sitg/hansard/h790509.pdf#page=39 + +# From Paul Eggert (2019-05-31): # Here are the dates given at # https://www.hko.gov.hk/gts/time/Summertime.htm # as of 2014-06-19: @@ -667,7 +697,7 @@ # 1944 Whole year # 1945 Whole year # 1946 20 Apr to 1 Dec -# 1947 13 Apr to 30 Dec +# 1947 13 Apr to 30 Nov # 1948 2 May to 31 Oct # 1949 3 Apr to 30 Oct # 1950 2 Apr to 29 Oct @@ -704,36 +734,28 @@ # The page does not give times of day for transitions, # or dates for the 1942 and 1945 transitions. # The Japanese occupation of Hong Kong began 1941-12-25. -# The Japanese surrender of Hong Kong was signed 1945-09-16; see: -# Heaver S. The days after the Pacific war ended: unsettling times -# in Hong Kong. Post Magazine. 2016-06-13. -# https://www.scmp.com/magazines/post-magazine/article/1852990/days-after-pacific-war-ended-unsettling-times-hong-kong -# For lack of anything better, use start of those days as the -# transition times. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule HK 1946 only - Apr 20 3:30 1:00 S -Rule HK 1946 only - Dec 1 3:30 0 - -Rule HK 1947 only - Apr 13 3:30 1:00 S -Rule HK 1947 only - Dec 30 3:30 0 - -Rule HK 1948 only - May 2 3:30 1:00 S -Rule HK 1948 1951 - Oct lastSun 3:30 0 - -Rule HK 1952 1953 - Nov Sun>=1 3:30 0 - +Rule HK 1946 only - Apr 21 0:00 1:00 S +Rule HK 1946 only - Dec 1 3:30s 0 - +Rule HK 1947 only - Apr 13 3:30s 1:00 S +Rule HK 1947 only - Nov 30 3:30s 0 - +Rule HK 1948 only - May 2 3:30s 1:00 S +Rule HK 1948 1952 - Oct Sun>=28 3:30s 0 - Rule HK 1949 1953 - Apr Sun>=1 3:30 1:00 S +Rule HK 1953 1964 - Oct Sun>=31 3:30 0 - Rule HK 1954 1964 - Mar Sun>=18 3:30 1:00 S -Rule HK 1954 only - Oct 31 3:30 0 - -Rule HK 1955 1964 - Nov Sun>=1 3:30 0 - Rule HK 1965 1976 - Apr Sun>=16 3:30 1:00 S Rule HK 1965 1976 - Oct Sun>=16 3:30 0 - Rule HK 1973 only - Dec 30 3:30 1:00 S -Rule HK 1979 only - May Sun>=8 3:30 1:00 S -Rule HK 1979 only - Oct Sun>=16 3:30 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Rule HK 1979 only - May 13 3:30 1:00 S +Rule HK 1979 only - Oct 21 3:30 0 - +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Hong_Kong 7:36:42 - LMT 1904 Oct 30 0:36:42 - 8:00 - HKT 1941 Jun 15 3:30 + 8:00 - HKT 1941 Jun 15 3:00 8:00 1:00 HKST 1941 Oct 1 4:00 8:30 - HKT 1941 Dec 25 - 9:00 - JST 1945 Sep 16 + 9:00 - JST 1945 Nov 18 2:00 8:00 HK HK%sT ############################################################################### @@ -857,7 +879,7 @@ Rule Taiwan 1979 only - Jul 1 0:00 1:00 D Rule Taiwan 1979 only - Oct 1 0:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] # Taipei or Taibei or T'ai-pei Zone Asia/Taipei 8:06:00 - LMT 1896 Jan 1 8:00 - CST 1937 Oct 1 @@ -995,7 +1017,7 @@ Rule Macau 1979 only - May 13 03:30 1:00 D Rule Macau 1979 only - Oct Sun>=16 03:30 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Macau 7:34:10 - LMT 1904 Oct 30 8:00 - CST 1941 Dec 21 23:00 9:00 Macau +09/+10 1945 Sep 30 24:00 @@ -1034,7 +1056,7 @@ Rule Cyprus 1978 only - Oct 2 0:00 0 - Rule Cyprus 1979 1997 - Sep lastSun 0:00 0 - Rule Cyprus 1981 1998 - Mar lastSun 0:00 1:00 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Nicosia 2:13:28 - LMT 1921 Nov 14 2:00 Cyprus EE%sT 1998 Sep 2:00 EUAsia EE%sT @@ -1083,7 +1105,7 @@ # Byalokoz 1919 says Georgia was 2:59:11. # Go with Byalokoz. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Tbilisi 2:59:11 - LMT 1880 2:59:11 - TBMT 1924 May 2 # Tbilisi Mean Time 3:00 - +03 1957 Mar @@ -1120,7 +1142,7 @@ # which will be permanent, with no seasonal adjustment, will happen at # midnight on Saturday, September 16. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Dili 8:22:20 - LMT 1912 Jan 1 8:00 - +08 1942 Feb 21 23:00 9:00 - +09 1976 May 3 @@ -1186,7 +1208,7 @@ # time for 1870-1941. Shanks is our only (and dubious) source for the # 1941-1945 data. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Kolkata 5:53:28 - LMT 1854 Jun 28 # Kolkata 5:53:20 - HMT 1870 # Howrah Mean Time? 5:21:10 - MMT 1906 Jan 1 # Madras local time @@ -1238,7 +1260,7 @@ # WITA - +08 - Waktu Indonesia Tengah (Indonesia central time) # WIT - +09 - Waktu Indonesia Timur (Indonesia eastern time) # -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] # Java, Sumatra Zone Asia/Jakarta 7:07:12 - LMT 1867 Aug 10 # Shanks & Pottenger say the next transition was at 1924 Jan 1 0:13, @@ -1314,9 +1336,9 @@ # I used the following code in GNU Emacs 26.1 to generate the "Rule Iran" # lines from 2008 through 2087. Emacs 26.1 uses Ed Reingold's # cal-persia implementation of Birashk's approximation, which in the -# 2008-2087 range disagrees with the the astronomical Persian calendar -# for Persian years 1404 (Gregorian 2025) and 1437 (Gregorian 2058), -# so the following code special-case those years. See Table 15.1, page 264, of: +# 2008-2087 range disagrees with the astronomical Persian calendar +# for Persian years 1404 (Gregorian 2025) and 1437 (Gregorian 2058), so +# the following code special-cases those years. See Table 15.1, page 264, of: # Edward M. Reingold and Nachum Dershowitz, Calendrical Calculations: # The Ultimate Edition, Cambridge University Press (2018). # https://www.cambridge.org/fr/academic/subjects/computer-science/computing-general-interest/calendrical-calculations-ultimate-edition-4th-edition @@ -1510,7 +1532,7 @@ Rule Iran 2088 max - Mar 20 24:00 1:00 - Rule Iran 2088 max - Sep 20 24:00 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Tehran 3:25:44 - LMT 1916 3:25:44 - TMT 1946 # Tehran Mean Time 3:30 - +0330 1977 Nov @@ -1555,7 +1577,7 @@ # Rule Iraq 1991 2007 - Apr 1 3:00s 1:00 - Rule Iraq 1991 2007 - Oct 1 3:00s 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Baghdad 2:57:40 - LMT 1890 2:57:36 - BMT 1918 # Baghdad Mean Time? 3:00 - +03 1982 May @@ -1622,7 +1644,7 @@ Rule Zion 1975 only - Aug 31 0:00 0 S # From Alois Treindl (2019-03-06): -# http://www.moin.gov.il/Documents/שעון קיץ/clock-50-years-7-2014.pdf +# http://www.moin.gov.il/Documents/שעון%20קיץ/clock-50-years-7-2014.pdf # From Isaac Starkman (2019-03-06): # Summer time was in that period in 1980 and 1984, see # https://www.ynet.co.il/articles/0,7340,L-3951073,00.html @@ -1760,32 +1782,15 @@ # # ftp://ftp.cs.huji.ac.il/pub/tz/announcements/2005+beyond.ps -# From Paul Eggert (2012-10-26): -# I used Ephraim Silverberg's dst-israel.el program -# (2005-02-20) -# along with Ed Reingold's cal-hebrew in GNU Emacs 21.4, -# to generate the transitions from 2005 through 2012. -# (I replaced "lastFri" with "Fri>=26" by hand.) -# The spring transitions all correspond to the following Rule: -# -# Rule Zion 2005 2012 - Mar Fri>=26 2:00 1:00 D -# -# but older zic implementations (e.g., Solaris 8) do not support -# "Fri>=26" to mean April 1 in years like 2005, so for now we list the -# springtime transitions explicitly. - # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Zion 2005 only - Apr 1 2:00 1:00 D +Rule Zion 2005 2012 - Apr Fri<=1 2:00 1:00 D Rule Zion 2005 only - Oct 9 2:00 0 S -Rule Zion 2006 2010 - Mar Fri>=26 2:00 1:00 D Rule Zion 2006 only - Oct 1 2:00 0 S Rule Zion 2007 only - Sep 16 2:00 0 S Rule Zion 2008 only - Oct 5 2:00 0 S Rule Zion 2009 only - Sep 27 2:00 0 S Rule Zion 2010 only - Sep 12 2:00 0 S -Rule Zion 2011 only - Apr 1 2:00 1:00 D Rule Zion 2011 only - Oct 2 2:00 0 S -Rule Zion 2012 only - Mar Fri>=26 2:00 1:00 D Rule Zion 2012 only - Sep 23 2:00 0 S # From Ephraim Silverberg (2013-06-27): @@ -1801,7 +1806,7 @@ Rule Zion 2013 max - Mar Fri>=23 2:00 1:00 D Rule Zion 2013 max - Oct lastSun 2:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Jerusalem 2:20:54 - LMT 1880 2:20:40 - JMT 1918 # Jerusalem Mean Time? 2:00 Zion I%sT @@ -1893,7 +1898,7 @@ # Central Time (UT+9). The adoption began on Oct 1, 1937. # https://ja.wikisource.org/wiki/明治二十八年勅令第百六十七號標準時ニ關スル件中改正ノ件 -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Tokyo 9:18:59 - LMT 1887 Dec 31 15:00u 9:00 Japan J%sT # Since 1938, all Japanese possessions have been like Asia/Tokyo, @@ -1996,7 +2001,7 @@ Rule Jordan 2013 only - Dec 20 0:00 0 - Rule Jordan 2014 max - Mar lastThu 24:00 1:00 S Rule Jordan 2014 max - Oct lastFri 0:00s 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Amman 2:23:44 - LMT 1931 2:00 Jordan EE%sT @@ -2037,8 +2042,8 @@ # text. # # According to Izvestia newspaper No. 68 (23334) from 1991-03-20 -# (page 6; available at http://libinfo.org/newsr/newsr2574.djvu via -# http://libinfo.org/index.php?id=58564) on 1991-03-31 at 2:00 during +# -- page 6; available at http://libinfo.org/newsr/newsr2574.djvu via +# http://libinfo.org/index.php?id=58564 -- on 1991-03-31 at 2:00 during # transition to "summer" time: # Republic of Georgia, Latvian SSR, Lithuanian SSR, SSR Moldova, # Estonian SSR; Komi ASSR; Kaliningrad oblast; Nenets autonomous okrug @@ -2054,7 +2059,7 @@ # Apparently there were last minute changes. Apparently Kazakh act No. 170 # was one of such changes. # -# https://ru.wikipedia.org/wiki/Декретное время +# https://ru.wikipedia.org/wiki/Декретное_время # claims that Sovetskaya Rossiya newspaper on 1991-03-29 published that # Nenets autonomous okrug, Komi and Kazakhstan (excluding Uralsk oblast) # were to not move clocks and Uralsk oblast was to move clocks @@ -2193,7 +2198,7 @@ # UTC+6 to UTC+5 effective December 21st, 2018. The legal document is # located here: http://adilet.zan.kz/rus/docs/P1800000817 (russian language). -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] # # Almaty (formerly Alma-Ata), representing most locations in Kazakhstan # This includes KZ-AKM, KZ-ALA, KZ-ALM, KZ-AST, KZ-BAY, KZ-VOS, KZ-ZHA, @@ -2295,7 +2300,7 @@ Rule Kyrgyz 1992 1996 - Sep lastSun 0:00 0 - Rule Kyrgyz 1997 2005 - Mar lastSun 2:30 1:00 - Rule Kyrgyz 1997 2004 - Oct lastSun 2:30 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Bishkek 4:58:24 - LMT 1924 May 2 5:00 - +05 1930 Jun 21 6:00 RussiaAsia +06/+07 1991 Mar 31 2:00s @@ -2410,7 +2415,7 @@ # The BBC reported that the transition was from 23:30 to 24:00 today. # https://www.bbc.com/news/world-asia-44010705 -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Seoul 8:27:52 - LMT 1908 Apr 1 8:30 - KST 1912 Jan 1 9:00 - JST 1945 Sep 8 @@ -2459,7 +2464,7 @@ Rule Lebanon 1993 max - Mar lastSun 0:00 1:00 S Rule Lebanon 1993 1998 - Sep lastSun 0:00 0 - Rule Lebanon 1999 max - Oct lastSun 0:00 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Beirut 2:22:00 - LMT 1880 2:00 Lebanon EE%sT @@ -2471,7 +2476,7 @@ # peninsular Malaysia # taken from Mok Ly Yng (2003-10-30) # http://www.math.nus.edu.sg/aslaksen/teaching/timezone.html -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Kuala_Lumpur 6:46:46 - LMT 1901 Jan 1 6:55:25 - SMT 1905 Jun 1 # Singapore M.T. 7:00 - +07 1933 Jan 1 @@ -2485,7 +2490,7 @@ # From Paul Eggert (2014-08-12): # The data entries here are mostly from Shanks & Pottenger, but the 1942, 1945 # and 1982 transition dates are from Mok Ly Yng. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Kuching 7:21:20 - LMT 1926 Mar 7:30 - +0730 1933 8:00 NBorneo +08/+0820 1942 Feb 16 @@ -2493,7 +2498,7 @@ 8:00 - +08 # Maldives -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Indian/Maldives 4:54:00 - LMT 1880 # Malé 4:54:00 - MMT 1960 # Malé Mean Time 5:00 - +05 @@ -2636,7 +2641,7 @@ Rule Mongol 2015 2016 - Mar lastSat 2:00 1:00 - Rule Mongol 2015 2016 - Sep lastSat 0:00 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] # Hovd, a.k.a. Chovd, Dund-Us, Dzhargalant, Khovd, Jirgalanta Zone Asia/Hovd 6:06:36 - LMT 1905 Aug 6:00 - +06 1978 @@ -2654,7 +2659,7 @@ 8:00 Mongol +08/+09 # Nepal -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Kathmandu 5:41:16 - LMT 1920 5:30 - +0530 1986 5:45 - +0545 @@ -2804,7 +2809,7 @@ Rule Pakistan 2008 2009 - Nov 1 0:00 0 - Rule Pakistan 2009 only - Apr 15 0:00 1:00 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Karachi 4:28:12 - LMT 1907 5:30 - +0530 1942 Sep 5:30 1:00 +0630 1945 Oct 15 @@ -3091,13 +3096,21 @@ # http://www.palestinecabinet.gov.ps/Website/AR/NDecrees/ViewFile.ashx?ID=e7a42ab7-ee23-435a-b9c8-a4f7e81f3817 # From Even Scharning (2019-03-23): -# DST in Palestine will start on 30 March this year, not 23 March as the time -# zone database predicted. -# https://ramallah.news/post/123610 +# http://pnn.ps/news/401130 +# http://palweather.ps/ar/node/50136.html # -# From Tim Parenti (2019-03-23): -# Combining this with the rules observed since 2016, adjust our spring -# transition guess to Mar Sat>=24. +# From Sharif Mustafa (2019-03-26): +# The Palestinian cabinet announced today that the switch to DST will +# be on Fri Mar 29th 2019 by advancing the clock by 60 minutes. +# The decree signing date is Mar 12th but it was not published till today. +# The decree does not specify the exact time of switch. +# http://palestinecabinet.gov.ps/Website/AR/NDecrees/ViewFile.ashx?ID=e54e9ea1-50ee-4137-84df-0d6c78da259b +# +# From Even Scharning (2019-04-10): +# Our source in Palestine said it happened Friday 29 at 00:00 local time.... +# +# From Paul Eggert (2019-04-10): +# For now, guess spring-ahead transitions are March's last Friday at 00:00. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule EgyptAsia 1957 only - May 10 0:00 1:00 S @@ -3128,10 +3141,11 @@ Rule Palestine 2013 only - Sep Fri>=21 0:00 0 - Rule Palestine 2014 2015 - Oct Fri>=21 0:00 0 - Rule Palestine 2015 only - Mar lastFri 24:00 1:00 S -Rule Palestine 2016 max - Mar Sat>=24 1:00 1:00 S +Rule Palestine 2016 2018 - Mar Sat>=24 1:00 1:00 S Rule Palestine 2016 max - Oct lastSat 1:00 0 - +Rule Palestine 2019 max - Mar lastFri 0:00 1:00 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Gaza 2:17:52 - LMT 1900 Oct 2:00 Zion EET/EEST 1948 May 15 2:00 EgyptAsia EE%sT 1967 Jun 5 @@ -3205,7 +3219,7 @@ Rule Phil 1954 only - Jul 1 0:00 0 S Rule Phil 1978 only - Mar 22 0:00 1:00 D Rule Phil 1978 only - Sep 21 0:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Manila -15:56:00 - LMT 1844 Dec 31 8:04:00 - LMT 1899 May 11 8:00 Phil P%sT 1942 May @@ -3213,7 +3227,7 @@ 8:00 Phil P%sT # Qatar -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Qatar 3:26:08 - LMT 1920 # Al Dawhah / Doha 4:00 - +04 1972 Jun 3:00 - +03 @@ -3261,7 +3275,7 @@ # the country. Presumably this is documenting airline time. Ignore this, # as it's before our 1970 cutoff. # -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Riyadh 3:06:52 - LMT 1947 Mar 14 3:00 - +03 Link Asia/Riyadh Asia/Aden # Yemen @@ -3270,7 +3284,7 @@ # Singapore # taken from Mok Ly Yng (2003-10-30) # http://www.math.nus.edu.sg/aslaksen/teaching/timezone.html -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Singapore 6:55:25 - LMT 1901 Jan 1 6:55:25 - SMT 1905 Jun 1 # Singapore M.T. 7:00 - +07 1933 Jan 1 @@ -3334,7 +3348,7 @@ # even worse. For now, let's use a numeric abbreviation; we can # switch to "SLST" if it catches on. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Colombo 5:19:24 - LMT 1880 5:19:32 - MMT 1906 # Moratuwa Mean Time 5:30 - +0530 1942 Jan 5 @@ -3504,13 +3518,13 @@ Rule Syria 2012 max - Mar lastFri 0:00 1:00 S Rule Syria 2009 max - Oct lastFri 0:00 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Damascus 2:25:12 - LMT 1920 # Dimashq 2:00 Syria EE%sT # Tajikistan # From Shanks & Pottenger. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Dushanbe 4:35:12 - LMT 1924 May 2 5:00 - +05 1930 Jun 21 6:00 RussiaAsia +06/+07 1991 Mar 31 2:00s @@ -3518,7 +3532,7 @@ 5:00 - +05 # Thailand -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Bangkok 6:42:04 - LMT 1880 6:42:04 - BMT 1920 Apr # Bangkok Mean Time 7:00 - +07 @@ -3527,7 +3541,7 @@ # Turkmenistan # From Shanks & Pottenger. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Ashgabat 3:53:32 - LMT 1924 May 2 # or Ashkhabad 4:00 - +04 1930 Jun 21 5:00 RussiaAsia +05/+06 1991 Mar 31 2:00 @@ -3535,7 +3549,7 @@ 5:00 - +05 # United Arab Emirates -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Dubai 3:41:12 - LMT 1920 4:00 - +04 Link Asia/Dubai Asia/Muscat # Oman @@ -3542,7 +3556,7 @@ # Uzbekistan # Byalokoz 1919 says Uzbekistan was 4:27:53. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Samarkand 4:27:53 - LMT 1924 May 2 4:00 - +04 1930 Jun 21 5:00 - +05 1981 Apr 1 @@ -3608,7 +3622,7 @@ # Lê Thành Lân: "Lịch hai thế kỷ (1802-2010) và các lịch vĩnh cửu", # NXB Thuận Hoá, Huế, 1995. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Ho_Chi_Minh 7:06:40 - LMT 1906 Jul 1 7:06:30 - PLMT 1911 May 1 # Phù Liễn MT 7:00 - +07 1942 Dec 31 23:00 --- contrib/tzdata/australasia.orig +++ contrib/tzdata/australasia @@ -25,7 +25,7 @@ # says W Australia didn't use DST in 1943/1944. Ignore Whitman's claim that # 1944/1945 was just like 1943/1944. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] # Northern Territory Zone Australia/Darwin 8:43:20 - LMT 1895 Feb 9:00 - ACST 1899 May @@ -102,7 +102,7 @@ Rule AS 2007 only - Mar lastSun 2:00s 0 S Rule AS 2008 max - Apr Sun>=1 2:00s 0 S Rule AS 2008 max - Oct Sun>=1 2:00s 1:00 D -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Australia/Adelaide 9:14:20 - LMT 1895 Feb 9:00 - ACST 1899 May 9:30 Aus AC%sT 1971 @@ -134,7 +134,7 @@ Rule AT 2006 only - Apr Sun>=1 2:00s 0 S Rule AT 2007 only - Mar lastSun 2:00s 0 S Rule AT 2008 max - Apr Sun>=1 2:00s 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Australia/Hobart 9:49:16 - LMT 1895 Sep 10:00 - AEST 1916 Oct 1 2:00 10:00 1:00 AEDT 1917 Feb @@ -162,7 +162,7 @@ Rule AV 2007 only - Mar lastSun 2:00s 0 S Rule AV 2008 max - Apr Sun>=1 2:00s 0 S Rule AV 2008 max - Oct Sun>=1 2:00s 1:00 D -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Australia/Melbourne 9:39:52 - LMT 1895 Feb 10:00 Aus AE%sT 1971 10:00 AV AE%sT @@ -185,7 +185,7 @@ Rule AN 2007 only - Mar lastSun 2:00s 0 S Rule AN 2008 max - Apr Sun>=1 2:00s 0 S Rule AN 2008 max - Oct Sun>=1 2:00s 1:00 D -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Australia/Sydney 10:04:52 - LMT 1895 Feb 10:00 Aus AE%sT 1971 10:00 AN AE%sT @@ -256,7 +256,7 @@ 11:00 - +11 # Christmas -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Indian/Christmas 7:02:52 - LMT 1895 Feb 7:00 - +07 @@ -263,7 +263,7 @@ # Cocos (Keeling) Is # These islands were ruled by the Ross family from about 1830 to 1978. # We don't know when standard time was introduced; for now, we guess 1900. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Indian/Cocos 6:27:40 - LMT 1900 6:30 - +0630 @@ -386,12 +386,12 @@ Rule Fiji 2014 only - Jan Sun>=18 2:00 0 - Rule Fiji 2014 max - Nov Sun>=1 2:00 1:00 - Rule Fiji 2015 max - Jan Sun>=13 3:00 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Fiji 11:55:44 - LMT 1915 Oct 26 # Suva 12:00 Fiji +12/+13 # French Polynesia -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Gambier -8:59:48 - LMT 1912 Oct # Rikitea -9:00 - -09 Zone Pacific/Marquesas -9:18:00 - LMT 1912 Oct @@ -434,7 +434,7 @@ # http://documents.guam.gov/wp-content/uploads/E.O.-77-18-Guam-Standard-Time.pdf Rule Guam 1977 only - Aug 28 2:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Guam -14:21:00 - LMT 1844 Dec 31 9:39:00 - LMT 1901 # Agana 10:00 - GST 1941 Dec 10 # Guam @@ -444,7 +444,7 @@ Link Pacific/Guam Pacific/Saipan # N Mariana Is # Kiribati -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Tarawa 11:32:04 - LMT 1901 # Bairiki 12:00 - +12 Zone Pacific/Enderbury -11:24:20 - LMT 1901 @@ -460,7 +460,7 @@ # See Pacific/Guam. # Marshall Is -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Majuro 11:24:48 - LMT 1901 11:00 - +11 1914 Oct 9:00 - +09 1919 Feb 1 @@ -478,7 +478,7 @@ 12:00 - +12 # Micronesia -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Chuuk -13:52:52 - LMT 1844 Dec 31 10:07:08 - LMT 1901 10:00 - +10 1914 Oct @@ -506,7 +506,7 @@ 11:00 - +11 # Nauru -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Nauru 11:07:40 - LMT 1921 Jan 15 # Uaobe 11:30 - +1130 1942 Aug 29 9:00 - +09 1945 Sep 8 @@ -520,7 +520,7 @@ Rule NC 1996 only - Dec 1 2:00s 1:00 - # Shanks & Pottenger say the following was at 2:00; go with IATA. Rule NC 1997 only - Mar 2 2:00s 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Noumea 11:05:48 - LMT 1912 Jan 13 # Nouméa 11:00 NC +11/+12 @@ -559,7 +559,7 @@ Rule Chatham 2007 max - Sep lastSun 2:45s 1:00 - Rule NZ 2008 max - Apr Sun>=1 2:00s 0 S Rule Chatham 2008 max - Apr Sun>=1 2:45s 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Auckland 11:39:04 - LMT 1868 Nov 2 11:30 NZ NZ%sT 1946 Jan 1 12:00 NZ NZ%sT @@ -585,7 +585,7 @@ Rule Cook 1978 only - Nov 12 0:00 0:30 - Rule Cook 1979 1991 - Mar Sun>=1 0:00 0 - Rule Cook 1979 1990 - Oct lastSun 0:00 0:30 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Rarotonga -10:39:04 - LMT 1901 # Avarua -10:30 - -1030 1978 Nov 12 -10:00 Cook -10/-0930 @@ -594,7 +594,7 @@ # Niue -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Niue -11:19:40 - LMT 1901 # Alofi -11:20 - -1120 1951 -11:30 - -1130 1978 Oct 1 @@ -601,7 +601,7 @@ -11:00 - -11 # Norfolk -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Norfolk 11:11:52 - LMT 1901 # Kingston 11:12 - +1112 1951 11:30 - +1130 1974 Oct 27 02:00 @@ -610,13 +610,13 @@ 11:00 - +11 # Palau (Belau) -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Palau -15:02:04 - LMT 1844 Dec 31 # Koror 8:57:56 - LMT 1901 9:00 - +09 # Papua New Guinea -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Port_Moresby 9:48:40 - LMT 1880 9:48:32 - PMMT 1895 # Port Moresby Mean Time 10:00 - +10 @@ -646,7 +646,7 @@ 11:00 - +11 # Pitcairn -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Pitcairn -8:40:20 - LMT 1901 # Adamstown -8:30 - -0830 1998 Apr 27 0:00 -8:00 - -08 @@ -731,7 +731,7 @@ Rule WS 2011 only - Sep lastSat 3:00 1 - Rule WS 2012 max - Apr Sun>=1 4:00 0 - Rule WS 2012 max - Sep lastSun 3:00 1 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Apia 12:33:04 - LMT 1892 Jul 5 -11:26:56 - LMT 1911 -11:30 - -1130 1950 @@ -740,7 +740,7 @@ # Solomon Is # excludes Bougainville, for which see Papua New Guinea -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Guadalcanal 10:39:48 - LMT 1912 Oct # Honiara 11:00 - +11 @@ -763,7 +763,7 @@ # was "11 hours slow on G.M.T." Go with Thorsen and assume Shanks & Pottenger # are off by an hour starting in 1901. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Fakaofo -11:24:56 - LMT 1901 -11:00 - -11 2011 Dec 30 13:00 - +13 @@ -776,7 +776,7 @@ Rule Tonga 2001 2002 - Jan lastSun 2:00 0 - Rule Tonga 2016 only - Nov Sun>=1 2:00 1:00 - Rule Tonga 2017 only - Jan Sun>=15 3:00 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Tongatapu 12:19:20 - LMT 1901 12:20 - +1220 1941 13:00 - +13 1999 @@ -783,7 +783,7 @@ 13:00 Tonga +13/+14 # Tuvalu -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Funafuti 11:56:52 - LMT 1901 12:00 - +12 @@ -844,7 +844,7 @@ # uninhabited since World War II; was probably like Pacific/Kiritimati # Wake -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Wake 11:06:28 - LMT 1901 12:00 - +12 @@ -857,12 +857,12 @@ Rule Vanuatu 1985 1991 - Sep Sun>=23 0:00 1:00 - Rule Vanuatu 1992 1993 - Jan Sun>=23 0:00 0 - Rule Vanuatu 1992 only - Oct Sun>=23 0:00 1:00 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Efate 11:13:16 - LMT 1912 Jan 13 # Vila 11:00 Vanuatu +11/+12 # Wallis and Futuna -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Wallis 12:15:20 - LMT 1901 12:00 - +12 @@ -1248,6 +1248,22 @@ # in WA or its introduction in SA had anything to do with the genesis # of this time zone. My hunch is that it's been around since well # before 1975. I remember seeing it noted on road maps decades ago. +# +# From Gilmore Davidson (2019-04-08): +# https://www.abc.net.au/news/2019-04-08/this-remote-stretch-of-desert-has-its-own-custom-time-zone/10981000 +# ... include[s] a rough description of the geographical boundaries... +# "The time zone exists for about 340 kilometres and takes in the tiny +# roadhouse communities of Cocklebiddy, Madura, Eucla and Border Village." +# ... and an indication that the zone has definitely been in existence +# since before the 1970 cut-off of the database ... +# From Paul Eggert (2019-05-17): +# That ABC Esperance story by Christien de Garis also says: +# Although the Central Western Time Zone is not officially recognised (your +# phones won't automatically change), there is a sign instructing you which +# way to wind your clocks 45 minutes and scrawled underneath one of them in +# Texta is the word: 'Why'? +# "Good question," Mr Pike said. +# "I don't even know that, and it's been going for over 50 years." # From Paul Eggert (2006-12-15): # For lack of better info, assume the tradition dates back to the @@ -1566,6 +1582,42 @@ ############################################################################### +# Bonin (Ogasawara) Islands and Marcus Island (Minami-Tori-shima) + +# From Wakaba (2019-01-28) via Phake Nick: +# National Diet Library of Japan has several reports by Japanese Government +# officers that describe the time used in islands when they visited there. +# According to them (and other sources such as newspapers), standard time UTC +# + 10 (JST + 1) and DST UTC + 11 (JST + 2) was used until its return to Japan +# at 1968-06-26 00:00 JST. The exact periods of DST are still unknown. +# I guessed Guam, Mariana, and Bonin and Marcus districts might have +# synchronized their DST periods, but reports imply they had their own +# decisions, i.e. there were three or more different time zones.... +# +# https://wiki.suikawiki.org/n/小笠原諸島の標準時 + +# From Phake Nick (2019-02-12): +# Because their last time change to return to Japanese time when they returned +# to Japanese rule was right before 1970, ... per the current tz database +# rule, the information doesn't warrant creation of a new timezone for Bonin +# Islands itself and is thus as an anecdotal note for interest purpose only. +# ... [The abovementioned link] described some special timekeeping phenomenon +# regarding Marcus island, another remote island currently owned by Japanese +# in the same administrative unit as Bonin Islands. Many reports claim that +# the American coastal guard on the American quarter of the island use its own +# coastal guard time, and most sources describe the time as UTC+11, being two +# hours faster than JST used by some Japanese personnel on the island. Some +# sites describe it as same as Wake Island/Guam time although it would be +# incorrect to be same as Guam. And then in a few Japanese governmental +# report from 1980s (from National Institute of Information and Communications +# Technology) regarding the construction of VLBI facility on the Marcus +# Island, it claimed that there are three time standards being used on the +# island at the time which include not just JST (UTC+9) or [US]CG time +# (UTC+11) but also a JMSDF time (UTC+10) (Japan Maritime Self-Defense +# Force). Unfortunately there are no other sources that mentioned such time +# and there are also no information on things like how the time was used. + + # Fiji # Howse writes (p 153) that in 1879 the British governor of Fiji --- contrib/tzdata/backzone.orig +++ contrib/tzdata/backzone @@ -38,7 +38,7 @@ # commentary and rules associated with the entry. # # As explained in the zic man page, the zone columns are: -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] # Ethiopia # From Paul Eggert (2014-07-31): --- contrib/tzdata/checktab.awk.orig +++ contrib/tzdata/checktab.awk @@ -63,12 +63,19 @@ coordinates = $2 tz = $3 comments = $4 - if (cc < cc0) { + + # Don't complain about a special case for Crimea in zone.tab. + # FIXME: zone.tab should be removed, since it is obsolete. + # Or at least put just "XX" in its country-code column. + if (cc < cc0 \ + && !(zone_table == "zone.tab" \ + && tz0 == "Europe/Simferopol")) { printf "%s:%d: country code '%s' is out of order\n", \ zone_table, zone_NR, cc >>"/dev/stderr" status = 1 } cc0 = cc + tz0 = tz tztab[tz] = 1 tz2comments[tz] = comments tz2NR[tz] = zone_NR --- contrib/tzdata/europe.orig +++ contrib/tzdata/europe @@ -122,7 +122,7 @@ # position is 51° 28' 30" N, 0° 18' 45" W. The longitude should # be within about ±2". The Ordnance Survey grid reference is TQ172761. # -# [This yields GMTOFF = -0:01:15 for London LMT in the 18th century.] +# [This yields STDOFF = -0:01:15 for London LMT in the 18th century.] # From Paul Eggert (1993-11-18): # @@ -500,7 +500,7 @@ # # Use Europe/London for Jersey, Guernsey, and the Isle of Man. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/London -0:01:15 - LMT 1847 Dec 1 0:00s 0:00 GB-Eire %s 1968 Oct 27 1:00 - BST 1971 Oct 31 2:00u @@ -538,7 +538,7 @@ Rule Eire 1990 1995 - Oct Sun>=22 1:00u -1:00 - Rule Eire 1996 max - Oct lastSun 1:00u -1:00 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Dublin -0:25:00 - LMT 1880 Aug 2 -0:25:21 - DMT 1916 May 21 2:00s -0:25:21 1:00 IST 1916 Oct 1 2:00s @@ -737,7 +737,7 @@ # These are for backward compatibility with older versions. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone WET 0:00 EU WE%sT Zone CET 1:00 C-Eur CE%sT Zone MET 1:00 C-Eur ME%sT @@ -797,7 +797,7 @@ Rule Albania 1983 only - Apr 18 0:00 1:00 S Rule Albania 1983 only - Oct 1 0:00 0 - Rule Albania 1984 only - Apr 1 0:00 1:00 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Tirane 1:19:20 - LMT 1914 1:00 - CET 1940 Jun 16 1:00 Albania CE%sT 1984 Jul @@ -804,7 +804,7 @@ 1:00 EU CE%sT # Andorra -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Andorra 0:06:04 - LMT 1901 0:00 - WET 1946 Sep 30 1:00 - CET 1985 Mar 31 2:00 @@ -830,7 +830,7 @@ Rule Austria 1948 only - Apr 18 2:00s 1:00 S Rule Austria 1980 only - Apr 6 0:00 1:00 S Rule Austria 1980 only - Sep 28 0:00 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Vienna 1:05:21 - LMT 1893 Apr 1:00 C-Eur CE%sT 1920 1:00 Austria CE%sT 1940 Apr 1 2:00s @@ -862,7 +862,7 @@ # Belarussian government decided against changing to winter time.... # http://eng.belta.by/all_news/society/Belarus-decides-against-adjusting-time-in-Russias-wake_i_76335.html # -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Minsk 1:50:16 - LMT 1880 1:50 - MMT 1924 May 2 # Minsk Mean Time 2:00 - EET 1930 Jun 21 @@ -926,7 +926,7 @@ Rule Belgium 1945 only - Sep 16 2:00s 0 - Rule Belgium 1946 only - May 19 2:00s 1:00 S Rule Belgium 1946 only - Oct 7 2:00s 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Brussels 0:17:30 - LMT 1880 0:17:30 - BMT 1892 May 1 12:00 # Brussels MT 0:00 - WET 1914 Nov 8 @@ -953,7 +953,7 @@ Rule Bulg 1980 1982 - Apr Sat>=1 23:00 1:00 S Rule Bulg 1980 only - Sep 29 1:00 0 - Rule Bulg 1981 only - Sep 27 2:00 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Sofia 1:33:16 - LMT 1880 1:56:56 - IMT 1894 Nov 30 # Istanbul MT? 2:00 - EET 1942 Nov 2 3:00 @@ -986,7 +986,7 @@ Rule Czech 1946 1949 - Oct Sun>=1 2:00s 0 - Rule Czech 1947 1948 - Apr Sun>=15 2:00s 1:00 S Rule Czech 1949 only - Apr 9 2:00s 1:00 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Prague 0:57:44 - LMT 1850 0:57:44 - PMT 1891 Oct # Prague Mean Time 1:00 C-Eur CE%sT 1945 May 9 @@ -1048,7 +1048,7 @@ Rule Denmark 1948 only - May 9 2:00s 1:00 S Rule Denmark 1948 only - Aug 8 2:00s 0 - # -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Copenhagen 0:50:20 - LMT 1890 0:50:20 - CMT 1894 Jan 1 # Copenhagen MT 1:00 Denmark CE%sT 1942 Nov 2 2:00s @@ -1145,7 +1145,7 @@ Rule Thule 2007 max - Mar Sun>=8 2:00 1:00 D Rule Thule 2007 max - Nov Sun>=1 2:00 0 S # -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Danmarkshavn -1:14:40 - LMT 1916 Jul 28 -3:00 - -03 1980 Apr 6 2:00 -3:00 EU -03/-02 1996 @@ -1211,7 +1211,7 @@ # From Urmet Jänes (2002-03-28): # The legislative reference is Government decree No. 84 on 2002-02-21. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Tallinn 1:39:00 - LMT 1880 1:39:00 - TMT 1918 Feb # Tallinn Mean Time 1:00 C-Eur CE%sT 1919 Jul @@ -1274,7 +1274,7 @@ # Milne says Helsinki (Helsingfors) time was 1:39:49.2 (official document); # round to nearest. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Helsinki 1:39:49 - LMT 1878 May 31 1:39:49 - HMT 1921 May # Helsinki Mean Time 2:00 Finland EE%sT 1983 @@ -1364,7 +1364,7 @@ # but Howse quotes the actual French legislation as saying 0:09:21. # Go with Howse. Howse writes that the time in France was officially based # on PMT-0:09:21 until 1978-08-09, when the time base finally switched to UTC. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Paris 0:09:21 - LMT 1891 Mar 15 0:01 0:09:21 - PMT 1911 Mar 11 0:01 # Paris MT # Shanks & Pottenger give 1940 Jun 14 0:00; go with Excoffier and Le Corre. @@ -1412,7 +1412,7 @@ Rule SovietZone 1945 only - Sep 24 3:00 1:00 S Rule SovietZone 1945 only - Nov 18 2:00s 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Berlin 0:53:28 - LMT 1893 Apr 1:00 C-Eur CE%sT 1945 May 24 2:00 1:00 SovietZone CE%sT 1946 @@ -1440,7 +1440,7 @@ # is in Europe. Our reference location Tbilisi is in the Asian part. # Gibraltar -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Gibraltar -0:21:24 - LMT 1880 Aug 2 0:00s 0:00 GB-Eire %s 1957 Apr 14 2:00 1:00 - CET 1982 @@ -1471,7 +1471,7 @@ Rule Greece 1979 only - Sep 29 2:00 0 - Rule Greece 1980 only - Apr 1 0:00 1:00 S Rule Greece 1980 only - Sep 28 0:00 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Athens 1:34:52 - LMT 1895 Sep 14 1:34:52 - AMT 1916 Jul 28 0:01 # Athens MT 2:00 Greece EE%sT 1941 Apr 30 @@ -1508,7 +1508,7 @@ Rule Hungary 1957 only - Jun Sun>=1 1:00 1:00 S Rule Hungary 1957 only - Sep lastSun 3:00 0 - Rule Hungary 1980 only - Apr 6 1:00 1:00 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Budapest 1:16:20 - LMT 1890 Oct 1:00 C-Eur CE%sT 1918 1:00 Hungary CE%sT 1941 Apr 8 @@ -1569,7 +1569,7 @@ Rule Iceland 1949 only - Oct 30 1:00s 0 - Rule Iceland 1950 1966 - Oct Sun>=22 1:00s 0 - Rule Iceland 1967 only - Oct 29 1:00s 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Atlantic/Reykjavik -1:28 - LMT 1908 -1:00 Iceland -01/+00 1968 Apr 7 1:00s 0:00 - GMT @@ -1583,6 +1583,25 @@ # But these events all occurred before the 1970 cutoff, # so record only the time in Rome. # +# From Stephen Trainor (2019-05-06): +# http://www.ac-ilsestante.it/MERIDIANE/ora_legale/ORA_LEGALE_ESTIVA_IN_ITALIA.htm +# ... the [1866] law went into effect on 12 December 1866, rather than +# the date of the decree (22 Sep 1866) +# https://web.archive.org/web/20070824155341/http://www.iav.it/planetario/didastro/didastro/english.htm +# ... "In Italy in 1866 there were 6 railway times (Torino, Verona, Firenze, +# Roma, Napoli, Palermo). On that year it was decided to unify them, adopting +# the average time of Rome (even if this city was not yet part of the +# kingdom). On the 12th December 1866, on the starting of the winter time +# table, it took effect in the railways, the post office and the telegraph, +# not only for the internal service but also for the public.... Milano set +# the public watches on the Rome time on the same day (12th December 1866), +# Torino and Bologna on the 1st January 1867, Venezia the 1st May 1880 and the +# last city was Cagliari in 1886." +# +# From Luigi Rosa (2019-05-07): +# this is the scan of the decree: +# http://www.radiomarconi.com/marconi/filopanti/1866c.jpg +# # From Michael Deckers (2016-10-24): # http://www.ac-ilsestante.it/MERIDIANE/ora_legale quotes a law of 1893-08-10 # ... [translated as] "The preceding dispositions will enter into @@ -1593,6 +1612,7 @@ # The authoritative source for time in Italy is the national metrological # institute, which has a summary page of historical DST data at # http://www.inrim.it/res/tf/ora_legale_i.shtml +# [now at http://oldsite.inrim.it/res/tf/ora_legale_i.shtml as of 2017] # (2016-10-24): # http://www.renzobaldini.it/le-ore-legali-in-italia/ # has still different data for 1944. It divides Italy in two, as @@ -1656,8 +1676,8 @@ Rule Italy 1977 1979 - May Sun>=22 0:00s 1:00 S Rule Italy 1978 only - Oct 1 0:00s 0 - Rule Italy 1979 only - Sep 30 0:00s 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone Europe/Rome 0:49:56 - LMT 1866 Sep 22 +# Zone NAME STDOFF RULES FORMAT [UNTIL] +Zone Europe/Rome 0:49:56 - LMT 1866 Dec 12 0:49:56 - RMT 1893 Oct 31 23:49:56 # Rome Mean 1:00 Italy CE%sT 1943 Sep 10 1:00 C-Eur CE%sT 1944 Jun 4 @@ -1732,7 +1752,7 @@ # Byalokoz 1919 says Latvia was 1:36:34. # Go with Byalokoz. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Riga 1:36:34 - LMT 1880 1:36:34 - RMT 1918 Apr 15 2:00 # Riga MT 1:36:34 1:00 LST 1918 Sep 16 3:00 # Latvian ST @@ -1802,7 +1822,7 @@ # http://www.lrvk.lt/nut/11/n1749.htm -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Vilnius 1:41:16 - LMT 1880 1:24:00 - WMT 1917 # Warsaw Mean Time 1:35:36 - KMT 1919 Oct 10 # Kaunas Mean Time @@ -1846,7 +1866,7 @@ Rule Lux 1927 only - Apr 9 23:00 1:00 S Rule Lux 1928 only - Apr 14 23:00 1:00 S Rule Lux 1929 only - Apr 20 23:00 1:00 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Luxembourg 0:24:36 - LMT 1904 Jun 1:00 Lux CE%sT 1918 Nov 25 0:00 Lux WE%sT 1929 Oct 6 2:00s @@ -1871,7 +1891,7 @@ Rule Malta 1975 1979 - Apr Sun>=15 2:00 1:00 S Rule Malta 1975 1980 - Sep Sun>=15 2:00 0 - Rule Malta 1980 only - Mar 31 2:00 1:00 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Malta 0:58:04 - LMT 1893 Nov 2 0:00s # Valletta 1:00 Italy CE%sT 1973 Mar 31 1:00 Malta CE%sT 1981 @@ -1940,7 +1960,7 @@ Rule Moldova 1997 max - Mar lastSun 2:00 1:00 S Rule Moldova 1997 max - Oct lastSun 3:00 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Chisinau 1:55:20 - LMT 1880 1:55 - CMT 1918 Feb 15 # Chisinau MT 1:44:24 - BMT 1931 Jul 24 # Bucharest MT @@ -1956,7 +1976,7 @@ # Monaco # Shanks & Pottenger give 0:09:20 for Paris Mean Time; go with Howse's # more precise 0:09:21. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Monaco 0:29:32 - LMT 1891 Mar 15 0:09:21 - PMT 1911 Mar 11 # Paris Mean Time 0:00 France WE%sT 1945 Sep 16 3:00 @@ -2031,8 +2051,8 @@ Rule Neth 1945 only - Sep 16 2:00s 0 - # # Amsterdam Mean Time was +00:19:32.13, but the .13 is omitted -# below because the current format requires GMTOFF to be an integer. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# below because the current format requires STDOFF to be an integer. +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Amsterdam 0:19:32 - LMT 1835 0:19:32 Neth %s 1937 Jul 1 0:20 Neth +0020/+0120 1940 May 16 0:00 @@ -2051,7 +2071,7 @@ Rule Norway 1959 1964 - Mar Sun>=15 2:00s 1:00 S Rule Norway 1959 1965 - Sep Sun>=15 2:00s 0 - Rule Norway 1965 only - Apr 25 2:00s 1:00 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Oslo 0:43:00 - LMT 1895 Jan 1 1:00 Norway CE%sT 1940 Aug 10 23:00 1:00 C-Eur CE%sT 1945 Apr 2 2:00 @@ -2142,7 +2162,7 @@ Rule Poland 1960 only - Apr 3 1:00s 1:00 S Rule Poland 1961 1964 - May lastSun 1:00s 1:00 S Rule Poland 1962 1964 - Sep lastSun 1:00s 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Warsaw 1:24:00 - LMT 1880 1:24:00 - WMT 1915 Aug 5 # Warsaw Mean Time 1:00 C-Eur CE%sT 1918 Sep 16 3:00 @@ -2247,7 +2267,7 @@ Rule Port 1981 1982 - Mar lastSun 1:00s 1:00 S Rule Port 1983 only - Mar lastSun 2:00s 1:00 S # -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Lisbon -0:36:45 - LMT 1884 -0:36:45 - LMT 1912 Jan 1 0:00u # Lisbon MT 0:00 Port WE%sT 1966 Apr 3 2:00 @@ -2306,7 +2326,7 @@ Rule Romania 1980 only - Sep lastSun 1:00 0 - Rule Romania 1991 1993 - Mar lastSun 0:00s 1:00 S Rule Romania 1991 1993 - Sep lastSun 0:00s 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Bucharest 1:44:24 - LMT 1891 Oct 1:44:24 - BMT 1931 Jul 24 # Bucharest MT 2:00 Romania EE%sT 1981 Mar 29 2:00s @@ -3345,7 +3365,7 @@ # See Europe/Rome. # Serbia -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Belgrade 1:22:00 - LMT 1884 1:00 - CET 1941 Apr 18 23:00 1:00 C-Eur CE%sT 1945 @@ -3451,7 +3471,7 @@ Rule SpainAfrica 1977 only - Sep 28 0:00 0 - Rule SpainAfrica 1978 only - Jun 1 0:00 1:00 S Rule SpainAfrica 1978 only - Aug 4 0:00 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Madrid -0:14:44 - LMT 1900 Dec 31 23:45:16 0:00 Spain WE%sT 1940 Mar 16 23:00 1:00 Spain CE%sT 1979 @@ -3519,7 +3539,7 @@ # # Source: The newspaper "Dagens Nyheter", 1916-10-01, page 7 upper left. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Stockholm 1:12:12 - LMT 1879 Jan 1 1:00:14 - SET 1900 Jan 1 # Swedish Time 1:00 - CET 1916 May 14 23:00 @@ -3622,7 +3642,7 @@ # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Swiss 1941 1942 - May Mon>=1 1:00 1:00 S Rule Swiss 1941 1942 - Oct Mon>=1 2:00 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Zurich 0:34:08 - LMT 1853 Jul 16 # See above comment. 0:29:46 - BMT 1894 Jun # Bern Mean Time 1:00 Swiss CE%sT 1981 @@ -3772,7 +3792,7 @@ Rule Turkey 1994 only - Mar 20 1:00s 1:00 S Rule Turkey 1995 2006 - Mar lastSun 1:00s 1:00 S Rule Turkey 1996 2006 - Oct lastSun 1:00s 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Europe/Istanbul 1:55:52 - LMT 1880 1:56:56 - IMT 1910 Oct # Istanbul Mean Time? 2:00 Turkey EE%sT 1978 Oct 15 @@ -3869,16 +3889,8 @@ # controversial, and some day "Kyiv" may become substantially more popular in # English; in the meantime, stick with the traditional English "Kiev" as that # means less disruption for our users. -# -# Anyway, none of the common English-language spellings (Kiev, Kyiv, Kieff, -# Kijeff, Kijev, Kiyef, Kiyeff) do justice to the common pronunciation in -# Ukrainian, namely [ˈkɪjiu̯] (IPA). This pronunciation has nothing like an -# English "v" or "f", and instead trails off with what an English-speaker -# would call a demure "oo" sound, and it would would be better anglicized as -# "Kuiyu". Here's a sound file, if you would like to do as the Kuiyuvians do: -# https://commons.wikimedia.org/wiki/File:Uk-Київ.ogg -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] # This represents most of Ukraine. See above for the spelling of "Kiev". Zone Europe/Kiev 2:02:04 - LMT 1880 2:02:04 - KMT 1924 May 2 # Kiev Mean Time --- contrib/tzdata/factory.orig +++ contrib/tzdata/factory @@ -8,5 +8,5 @@ # time zone abbreviation "-00", indicating that the actual time zone # is unknown. -# Zone NAME GMTOFF RULES FORMAT +# Zone NAME STDOFF RULES FORMAT Zone Factory 0 - "Local time zone must be set--use tzsetup" --- contrib/tzdata/northamerica.orig +++ contrib/tzdata/northamerica @@ -93,10 +93,33 @@ # was the first nationwide legal time standard, and apparently # time was just called "Standard Time" or "Daylight Saving Time". -# From Arthur David Olson: -# US Daylight Saving Time ended on the last Sunday of *October* in 1974. -# See, for example, the front page of the Saturday, 1974-10-26 -# and Sunday, 1974-10-27 editions of the Washington Post. +# From Paul Eggert (2019-06-04): +# Here is the legal basis for the US federal rules. +# * Public Law 65-106 (1918-03-19) implemented standard and daylight saving +# time for the first time across the US, springing forward on March's last +# Sunday and falling back on October's last Sunday. +# https://www.loc.gov/law/help/statutes-at-large/65th-congress/session-2/c65s2ch24.pdf +# * Public Law 66-40 (1919-08-20) repealed DST on October 1919's last Sunday. +# https://www.loc.gov/law/help/statutes-at-large/66th-congress/session-1/c66s1ch51.pdf +# * Public Law 77-403 (1942-01-20) started wartime DST on 1942-02-09. +# https://www.loc.gov/law/help/statutes-at-large/77th-congress/session-2/c77s2ch7.pdf +# * Public Law 79-187 (1945-09-25) ended wartime DST on 1945-09-30. +# https://www.loc.gov/law/help/statutes-at-large/79th-congress/session-1/c79s1ch388.pdf +# * Public Law 89-387 (1966-04-13) reinstituted a national standard for DST, +# from April's last Sunday to October's last Sunday, effective 1967. +# https://www.govinfo.gov/content/pkg/STATUTE-80/pdf/STATUTE-80-Pg107.pdf +# * Public Law 93-182 (1973-12-15) moved the 1974 spring-forward to 01-06. +# https://www.govinfo.gov/content/pkg/STATUTE-87/pdf/STATUTE-87-Pg707.pdf +# * Public Law 93-434 (1974-10-05) moved the 1975 spring-forward to +# February's last Sunday. +# https://www.govinfo.gov/content/pkg/STATUTE-88/pdf/STATUTE-88-Pg1209.pdf +# * Public Law 99-359 (1986-07-08) moved the spring-forward to April's first +# Sunday. +# https://www.govinfo.gov/content/pkg/STATUTE-100/pdf/STATUTE-100-Pg764.pdf +# * Public Law 109-58 (2005-08-08), effective 2007, moved the spring-forward +# to March's second Sunday and the fall-back to November's first Sunday. +# https://www.govinfo.gov/content/pkg/PLAW-109publ58/pdf/PLAW-109publ58.pdf +# All transitions are at 02:00 local time. # From Arthur David Olson: # Before the Uniform Time Act of 1966 took effect in 1967, observance of @@ -152,11 +175,11 @@ Rule US 1918 1919 - Oct lastSun 2:00 0 S Rule US 1942 only - Feb 9 2:00 1:00 W # War Rule US 1945 only - Aug 14 23:00u 1:00 P # Peace -Rule US 1945 only - Sep lastSun 2:00 0 S +Rule US 1945 only - Sep 30 2:00 0 S Rule US 1967 2006 - Oct lastSun 2:00 0 S Rule US 1967 1973 - Apr lastSun 2:00 1:00 D Rule US 1974 only - Jan 6 2:00 1:00 D -Rule US 1975 only - Feb 23 2:00 1:00 D +Rule US 1975 only - Feb lastSun 2:00 1:00 D Rule US 1976 1986 - Apr lastSun 2:00 1:00 D Rule US 1987 2006 - Apr Sun>=1 2:00 1:00 D Rule US 2007 max - Mar Sun>=8 2:00 1:00 D @@ -173,7 +196,7 @@ # increase the chances that they'll actually get compiled and to # avoid the need to duplicate the US rules in another file. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone EST -5:00 - EST Zone MST -7:00 - MST Zone HST -10:00 - HST @@ -330,7 +353,7 @@ Rule NYC 1921 1966 - Apr lastSun 2:00 1:00 D Rule NYC 1921 1954 - Sep lastSun 2:00 0 S Rule NYC 1955 1966 - Oct lastSun 2:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/New_York -4:56:02 - LMT 1883 Nov 18 12:03:58 -5:00 US E%sT 1920 -5:00 NYC E%sT 1942 @@ -390,7 +413,7 @@ Rule Chicago 1922 1966 - Apr lastSun 2:00 1:00 D Rule Chicago 1922 1954 - Sep lastSun 2:00 0 S Rule Chicago 1955 1966 - Oct lastSun 2:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Chicago -5:50:36 - LMT 1883 Nov 18 12:09:24 -6:00 US C%sT 1920 -6:00 Chicago C%sT 1936 Mar 1 2:00 @@ -458,7 +481,7 @@ Rule Denver 1921 only - May 22 2:00 0 S Rule Denver 1965 1966 - Apr lastSun 2:00 1:00 D Rule Denver 1965 1966 - Oct lastSun 2:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Denver -6:59:56 - LMT 1883 Nov 18 12:00:04 -7:00 US M%sT 1920 -7:00 Denver M%sT 1942 @@ -511,7 +534,7 @@ Rule CA 1950 1966 - Apr lastSun 1:00 1:00 D Rule CA 1950 1961 - Sep lastSun 2:00 0 S Rule CA 1962 1966 - Oct lastSun 2:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Los_Angeles -7:52:58 - LMT 1883 Nov 18 12:07:02 -8:00 US P%sT 1946 -8:00 CA P%sT 1967 @@ -619,7 +642,7 @@ # So they won't be waiting for Alaska to join them on 2019-03-10, but will # rather change their clocks twice in seven weeks. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Juneau 15:02:19 - LMT 1867 Oct 19 15:33:32 -8:57:41 - LMT 1900 Aug 20 12:00 -8:00 - PST 1942 @@ -739,7 +762,7 @@ # Note that 1933-05-21 was a Sunday. # We're left to guess the time of day when Act 163 was approved; guess noon. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Honolulu -10:31:26 - LMT 1896 Jan 13 12:00 -10:30 - HST 1933 Apr 30 2:00 -10:30 1:00 HDT 1933 May 21 12:00 @@ -769,7 +792,7 @@ # Shanks says the 1944 experiment came to an end on 1944-03-17. # Go with the Arizona State Library instead. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Phoenix -7:28:18 - LMT 1883 Nov 18 11:31:42 -7:00 US M%sT 1944 Jan 1 0:01 -7:00 - MST 1944 Apr 1 0:01 @@ -795,7 +818,7 @@ # quarter of Idaho county) and eastern Oregon (most of Malheur County) # switched four weeks late in 1974. # -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Boise -7:44:49 - LMT 1883 Nov 18 12:15:11 -8:00 US P%sT 1923 May 13 2:00 -7:00 US M%sT 1974 @@ -867,7 +890,7 @@ Rule Indianapolis 1941 only - Jun 22 2:00 1:00 D Rule Indianapolis 1941 1954 - Sep lastSun 2:00 0 S Rule Indianapolis 1946 1954 - Apr lastSun 2:00 1:00 D -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Indiana/Indianapolis -5:44:38 - LMT 1883 Nov 18 12:15:22 -6:00 US C%sT 1920 -6:00 Indianapolis C%sT 1942 @@ -887,7 +910,7 @@ Rule Marengo 1951 only - Sep lastSun 2:00 0 S Rule Marengo 1954 1960 - Apr lastSun 2:00 1:00 D Rule Marengo 1954 1960 - Sep lastSun 2:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Indiana/Marengo -5:45:23 - LMT 1883 Nov 18 12:14:37 -6:00 US C%sT 1951 -6:00 Marengo C%sT 1961 Apr 30 2:00 @@ -911,7 +934,7 @@ Rule Vincennes 1960 only - Oct lastSun 2:00 0 S Rule Vincennes 1961 only - Sep lastSun 2:00 0 S Rule Vincennes 1962 1963 - Oct lastSun 2:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Indiana/Vincennes -5:50:07 - LMT 1883 Nov 18 12:09:53 -6:00 US C%sT 1946 -6:00 Vincennes C%sT 1964 Apr 26 2:00 @@ -932,7 +955,7 @@ Rule Perry 1960 only - Oct lastSun 2:00 0 S Rule Perry 1961 only - Sep lastSun 2:00 0 S Rule Perry 1962 1963 - Oct lastSun 2:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Indiana/Tell_City -5:47:03 - LMT 1883 Nov 18 12:12:57 -6:00 US C%sT 1946 -6:00 Perry C%sT 1964 Apr 26 2:00 @@ -948,7 +971,7 @@ Rule Pike 1955 1960 - Sep lastSun 2:00 0 S Rule Pike 1956 1964 - Apr lastSun 2:00 1:00 D Rule Pike 1961 1964 - Oct lastSun 2:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Indiana/Petersburg -5:49:07 - LMT 1883 Nov 18 12:10:53 -6:00 US C%sT 1955 -6:00 Pike C%sT 1965 Apr 25 2:00 @@ -970,7 +993,7 @@ Rule Starke 1955 1956 - Oct lastSun 2:00 0 S Rule Starke 1957 1958 - Sep lastSun 2:00 0 S Rule Starke 1959 1961 - Oct lastSun 2:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Indiana/Knox -5:46:30 - LMT 1883 Nov 18 12:13:30 -6:00 US C%sT 1947 -6:00 Starke C%sT 1962 Apr 29 2:00 @@ -986,7 +1009,7 @@ Rule Pulaski 1946 1954 - Sep lastSun 2:00 0 S Rule Pulaski 1955 1956 - Oct lastSun 2:00 0 S Rule Pulaski 1957 1960 - Sep lastSun 2:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Indiana/Winamac -5:46:25 - LMT 1883 Nov 18 12:13:35 -6:00 US C%sT 1946 -6:00 Pulaski C%sT 1961 Apr 30 2:00 @@ -997,7 +1020,7 @@ -5:00 US E%sT # # Switzerland County, Indiana, did not observe DST from 1973 through 2005. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Indiana/Vevay -5:40:16 - LMT 1883 Nov 18 12:19:44 -6:00 US C%sT 1954 Apr 25 2:00 -5:00 - EST 1969 @@ -1022,7 +1045,7 @@ Rule Louisville 1946 only - Jun 2 2:00 0 S Rule Louisville 1950 1955 - Sep lastSun 2:00 0 S Rule Louisville 1956 1960 - Oct lastSun 2:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Kentucky/Louisville -5:43:02 - LMT 1883 Nov 18 12:16:58 -6:00 US C%sT 1921 -6:00 Louisville C%sT 1942 @@ -1128,7 +1151,7 @@ # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER Rule Detroit 1948 only - Apr lastSun 2:00 1:00 D Rule Detroit 1948 only - Sep lastSun 2:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Detroit -5:32:11 - LMT 1905 -6:00 - CST 1915 May 15 2:00 -5:00 - EST 1942 @@ -1145,7 +1168,7 @@ Rule Menominee 1946 only - Sep lastSun 2:00 0 S Rule Menominee 1966 only - Apr lastSun 2:00 1:00 D Rule Menominee 1966 only - Oct lastSun 2:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Menominee -5:50:27 - LMT 1885 Sep 18 12:00 -6:00 US C%sT 1946 -6:00 Menominee C%sT 1969 Apr 27 2:00 @@ -1379,7 +1402,7 @@ Rule StJohns 2007 2010 - Nov Sun>=1 0:01 0 S # # St John's has an apostrophe, but Posix file names can't have apostrophes. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/St_Johns -3:30:52 - LMT 1884 -3:30:52 StJohns N%sT 1918 -3:30:52 Canada N%sT 1919 @@ -1392,7 +1415,7 @@ # most of east Labrador # The name 'Happy Valley-Goose Bay' is too long; use 'Goose Bay'. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Goose_Bay -4:01:40 - LMT 1884 # Happy Valley-Goose Bay -3:30:52 - NST 1918 -3:30:52 Canada N%sT 1919 @@ -1466,7 +1489,7 @@ Rule Halifax 1956 1959 - Sep lastSun 2:00 0 S Rule Halifax 1962 1973 - Apr lastSun 2:00 1:00 D Rule Halifax 1962 1973 - Oct lastSun 2:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Halifax -4:14:24 - LMT 1902 Jun 15 -4:00 Halifax A%sT 1918 -4:00 Canada A%sT 1919 @@ -1504,7 +1527,7 @@ Rule Moncton 1957 1972 - Oct lastSun 2:00 0 S Rule Moncton 1993 2006 - Apr Sun>=1 0:01 1:00 D Rule Moncton 1993 2006 - Oct lastSun 0:01 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Moncton -4:19:08 - LMT 1883 Dec 9 -5:00 - EST 1902 Jun 15 -4:00 Canada A%sT 1933 @@ -1533,7 +1556,7 @@ # For lack of better info, guess this practice began around 1970, contra to # Shanks & Pottenger who have this region observing AST/ADT. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Blanc-Sablon -3:48:28 - LMT 1884 -4:00 Canada A%sT 1970 -4:00 - AST @@ -1701,19 +1724,10 @@ # was meant. Rule Toronto 1922 1926 - Sep Sun>=15 2:00 0 S Rule Toronto 1924 1927 - May Sun>=1 2:00 1:00 D -# The 1927-to-1939 rules can be expressed more simply as -# Rule Toronto 1927 1937 - Sep Sun>=25 2:00 0 S -# Rule Toronto 1928 1937 - Apr Sun>=25 2:00 1:00 D -# Rule Toronto 1938 1940 - Apr lastSun 2:00 1:00 D -# Rule Toronto 1938 1939 - Sep lastSun 2:00 0 S -# The rules below avoid use of Sun>=25 -# (which pre-2004 versions of zic cannot handle). -Rule Toronto 1927 1932 - Sep lastSun 2:00 0 S -Rule Toronto 1928 1931 - Apr lastSun 2:00 1:00 D -Rule Toronto 1932 only - May 1 2:00 1:00 D -Rule Toronto 1933 1940 - Apr lastSun 2:00 1:00 D -Rule Toronto 1933 only - Oct 1 2:00 0 S -Rule Toronto 1934 1939 - Sep lastSun 2:00 0 S +Rule Toronto 1927 1937 - Sep Sun>=25 2:00 0 S +Rule Toronto 1928 1937 - Apr Sun>=25 2:00 1:00 D +Rule Toronto 1938 1940 - Apr lastSun 2:00 1:00 D +Rule Toronto 1938 1939 - Sep lastSun 2:00 0 S Rule Toronto 1945 1946 - Sep lastSun 2:00 0 S Rule Toronto 1946 only - Apr lastSun 2:00 1:00 D Rule Toronto 1947 1949 - Apr lastSun 0:00 1:00 D @@ -1746,7 +1760,7 @@ # War,... [t]he cities agreed to implement DST during the summer # months for the remainder of the war years. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Toronto -5:17:32 - LMT 1895 -5:00 Canada E%sT 1919 -5:00 Toronto E%sT 1942 Feb 9 2:00s @@ -1821,7 +1835,7 @@ Rule Winn 1966 1986 - Apr lastSun 2:00s 1:00 D Rule Winn 1966 2005 - Oct lastSun 2:00s 0 S Rule Winn 1987 2005 - Apr Sun>=1 2:00s 1:00 D -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Winnipeg -6:28:36 - LMT 1887 Jul 16 -6:00 Winn C%sT 2006 -6:00 Canada C%sT @@ -1843,6 +1857,13 @@ # Willett (1914-03) notes that DST "has been in operation ... in the # City of Moose Jaw, Saskatchewan, for one year." +# From Paul Eggert (2019-04-26): +# Chris Pearce's book "The Great Daylight Saving Time Controversy" (2017) +# says that Regina observed DST in 1914-1917. No dates and times, +# unfortunately. It also says that in 1914 Saskatoon observed DST +# from 1 June to 6 July, and that DST was also tried out in Davidson, +# Melfort, and Prince Albert. + # From Paul Eggert (2006-03-22): # Shanks & Pottenger say that since 1970 this region has mostly been as Regina. # Some western towns (e.g. Swift Current) switched from MST/MDT to CST in 1972. @@ -1905,7 +1926,7 @@ Rule Swift 1959 1961 - Apr lastSun 2:00 1:00 D Rule Swift 1959 only - Oct lastSun 2:00 0 S Rule Swift 1960 1961 - Sep lastSun 2:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Regina -6:58:36 - LMT 1905 Sep -7:00 Regina M%sT 1960 Apr lastSun 2:00 -6:00 - CST @@ -1936,7 +1957,7 @@ Rule Edm 1969 only - Oct lastSun 2:00 0 S Rule Edm 1972 1986 - Apr lastSun 2:00 1:00 D Rule Edm 1972 2006 - Oct lastSun 2:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Edmonton -7:33:52 - LMT 1906 Sep -7:00 Edm M%sT 1987 -7:00 Canada M%sT @@ -2029,7 +2050,7 @@ Rule Vanc 1946 only - Oct 13 2:00 0 S Rule Vanc 1947 1961 - Sep lastSun 2:00 0 S Rule Vanc 1962 2006 - Oct lastSun 2:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Vancouver -8:12:28 - LMT 1884 -8:00 Vanc P%sT 1987 -8:00 Canada P%sT @@ -2100,7 +2121,7 @@ # varying the manner of reckoning standard time. # # * Yukon Territory Commissioner's Order 1966-20 Interpretation Ordinance -# http://? - no online source found +# [no online source found] # # * Standard Time and Time Zones in Canada; Thomson, Malcolm M.; JRASC, # Vol. 64, pp.129-162; June 1970; SAO/NASA Astrophysics Data System (ADS) @@ -2133,7 +2154,7 @@ # to say eight hours behind Greenwich Time. # # * O.I.C. 1980/02 INTERPRETATION ACT -# http://? - no online source found +# [no online source found] # # * Yukon Daylight Saving Time, YOIC 1987/56 # https://www.canlii.org/en/yk/laws/regu/yoic-1987-56/latest/yoic-1987-56.html @@ -2349,7 +2370,7 @@ Rule NT_YK 1980 1986 - Apr lastSun 2:00 1:00 D Rule NT_YK 1980 2006 - Oct lastSun 2:00 0 S Rule NT_YK 1987 2006 - Apr Sun>=1 2:00 1:00 D -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] # aka Panniqtuuq Zone America/Pangnirtung 0 - -00 1921 # trading post est. -4:00 NT_YK A%sT 1995 Apr Sun>=1 2:00 @@ -2496,7 +2517,7 @@ # From Paul Eggert (2001-03-03): # -# http://www.latimes.com/news/nation/20010303/t000018766.html +# https://www.latimes.com/archives/la-xpm-2001-mar-03-mn-32561-story.html # James F. Smith writes in today's LA Times # * Sonora will continue to observe standard time. # * Last week Mexico City's mayor Andrés Manuel López Obrador decreed that @@ -2623,7 +2644,7 @@ Rule Mexico 2001 only - Sep lastSun 2:00 0 S Rule Mexico 2002 max - Apr Sun>=1 2:00 1:00 D Rule Mexico 2002 max - Oct lastSun 2:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] # Quintana Roo; represented by Cancún Zone America/Cancun -5:47:04 - LMT 1922 Jan 1 0:12:56 -6:00 - CST 1981 Dec 23 @@ -2816,7 +2837,7 @@ # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Bahamas 1964 1975 - Oct lastSun 2:00 0 S Rule Bahamas 1964 1975 - Apr lastSun 2:00 1:00 D -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Nassau -5:09:30 - LMT 1912 Mar 2 -5:00 Bahamas E%sT 1976 -5:00 US E%sT @@ -2831,7 +2852,7 @@ Rule Barb 1978 1980 - Apr Sun>=15 2:00 1:00 D Rule Barb 1979 only - Sep 30 2:00 0 S Rule Barb 1980 only - Sep 25 2:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Barbados -3:58:29 - LMT 1924 # Bridgetown -3:58:29 - BMT 1932 # Bridgetown Mean Time -4:00 Barb A%sT @@ -2845,7 +2866,7 @@ Rule Belize 1974 only - Feb 9 0:00 0 CST Rule Belize 1982 only - Dec 18 0:00 1:00 CDT Rule Belize 1983 only - Feb 12 0:00 0 CST -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Belize -5:52:48 - LMT 1912 Apr -6:00 Belize %s @@ -2862,7 +2883,7 @@ # Friday, the same thing will happen in Bermuda. # http://www.theroyalgazette.com/apps/pbcs.dll/article?AID=/20060529/NEWS/105290135 -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Atlantic/Bermuda -4:19:18 - LMT 1930 Jan 1 2:00 # Hamilton -4:00 - AST 1974 Apr 28 2:00 -4:00 Canada A%sT 1976 @@ -2884,7 +2905,7 @@ Rule CR 1991 only - Jul 1 0:00 0 S Rule CR 1992 only - Mar 15 0:00 0 S # There are too many San Josés elsewhere, so we'll use 'Costa Rica'. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Costa_Rica -5:36:13 - LMT 1890 # San José -5:36:13 - SJMT 1921 Jan 15 # San José Mean Time -6:00 CR C%sT @@ -3090,7 +3111,7 @@ Rule Cuba 2012 max - Nov Sun>=1 0:00s 0 S Rule Cuba 2013 max - Mar Sun>=8 0:00s 1:00 D -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Havana -5:29:28 - LMT 1890 -5:29:36 - HMT 1925 Jul 19 12:00 # Havana MT -5:00 Cuba C%sT @@ -3125,7 +3146,7 @@ Rule DR 1970 only - Feb 21 0:00 0 EST Rule DR 1971 only - Jan 20 0:00 0 EST Rule DR 1972 1974 - Jan 21 0:00 0 EST -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Santo_Domingo -4:39:36 - LMT 1890 -4:40 - SDMT 1933 Apr 1 12:00 # S. Dom. MT -5:00 DR %s 1974 Oct 27 @@ -3140,7 +3161,7 @@ Rule Salv 1987 1988 - Sep lastSun 0:00 0 S # There are too many San Salvadors elsewhere, so use America/El_Salvador # instead of America/San_Salvador. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/El_Salvador -5:56:48 - LMT 1921 # San Salvador -6:00 Salv C%sT @@ -3173,7 +3194,7 @@ Rule Guat 1991 only - Sep 7 0:00 0 S Rule Guat 2006 only - Apr 30 0:00 1:00 D Rule Guat 2006 only - Oct 1 0:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Guatemala -6:02:04 - LMT 1918 Oct 5 -6:00 Guat C%sT @@ -3259,7 +3280,7 @@ Rule Haiti 2012 2015 - Nov Sun>=1 2:00 0 S Rule Haiti 2017 max - Mar Sun>=8 2:00 1:00 D Rule Haiti 2017 max - Nov Sun>=1 2:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Port-au-Prince -4:49:20 - LMT 1890 -4:49 - PPMT 1917 Jan 24 12:00 # P-a-P MT -5:00 Haiti E%sT @@ -3298,7 +3319,7 @@ Rule Hond 1987 1988 - Sep lastSun 0:00 0 S Rule Hond 2006 only - May Sun>=1 0:00 1:00 D Rule Hond 2006 only - Aug Mon>=1 0:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Tegucigalpa -5:48:52 - LMT 1921 Apr -6:00 Hond C%sT # @@ -3319,7 +3340,7 @@ # Neita L. The politician in all of us. Jamaica Observer 2014-09-20 # http://www.jamaicaobserver.com/columns/The-politician-in-all-of-us_17573647 # -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Jamaica -5:07:10 - LMT 1890 # Kingston -5:07:10 - KMT 1912 Feb # Kingston Mean Time -5:00 - EST 1974 @@ -3327,7 +3348,7 @@ -5:00 - EST # Martinique -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Martinique -4:04:20 - LMT 1890 # Fort-de-France -4:04:20 - FFMT 1911 May # Fort-de-France MT -4:00 - AST 1980 Apr 6 @@ -3391,7 +3412,7 @@ Rule Nic 2005 only - Oct Sun>=1 0:00 0 S Rule Nic 2006 only - Apr 30 2:00 1:00 D Rule Nic 2006 only - Oct Sun>=1 1:00 0 S -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Managua -5:45:08 - LMT 1890 -5:45:12 - MMT 1934 Jun 23 # Managua Mean Time? -6:00 - CST 1973 May @@ -3403,7 +3424,7 @@ -6:00 Nic C%sT # Panama -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Panama -5:18:08 - LMT 1890 -5:19:36 - CMT 1908 Apr 22 # Colón Mean Time -5:00 - EST @@ -3411,7 +3432,7 @@ # Puerto Rico # There are too many San Juans elsewhere, so we'll use 'Puerto_Rico'. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Puerto_Rico -4:24:25 - LMT 1899 Mar 28 12:00 # San Juan -4:00 - AST 1942 May 3 -4:00 US A%sT 1946 @@ -3423,7 +3444,7 @@ # St Pierre and Miquelon # There are too many St Pierres elsewhere, so we'll use 'Miquelon'. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Miquelon -3:44:40 - LMT 1911 May 15 # St Pierre -4:00 - AST 1980 May -3:00 - -03 1987 @@ -3469,7 +3490,7 @@ # by March 2018 for TCI. Magnetic Media. 2017-08-25. # http://magneticmediatv.com/2017/08/time-change-back-by-march-2018-for-tci/ # -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Grand_Turk -4:44:32 - LMT 1890 -5:07:10 - KMT 1912 Feb # Kingston Mean Time -5:00 - EST 1979 --- contrib/tzdata/pacificnew.orig +++ contrib/tzdata/pacificnew @@ -21,7 +21,7 @@ ## Rule Twilite XXXX max uspres Nov Sun>=7 2:00 0 S ## Rule Twilite XXXX max nonpres Oct lastSun 2:00 0 S -# Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL] +# Zone NAME STDOFF RULES/SAVE FORMAT [UNTIL] ## Zone America/Los_Angeles-PET -8:00 US P%sT XXXX ## -8:00 Twilite P%sT --- contrib/tzdata/southamerica.orig +++ contrib/tzdata/southamerica @@ -396,7 +396,7 @@ # plus is that this silences a zic complaint that there's no POSIX TZ # setting for timestamps past 2038. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] # # Buenos Aires (BA), Capital Federal (CF), Zone America/Argentina/Buenos_Aires -3:53:48 - LMT 1894 Oct 31 @@ -577,7 +577,7 @@ Link America/Curacao America/Aruba # Bolivia -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/La_Paz -4:32:36 - LMT 1890 -4:32:36 - CMT 1931 Oct 15 # Calamarca MT -4:32:36 1:00 BST 1932 Mar 21 # Bolivia ST @@ -920,14 +920,13 @@ # removed Tocantins. Rule Brazil 2013 2014 - Feb Sun>=15 0:00 0 - Rule Brazil 2015 only - Feb Sun>=22 0:00 0 - -Rule Brazil 2016 2022 - Feb Sun>=15 0:00 0 - +Rule Brazil 2016 2019 - Feb Sun>=15 0:00 0 - # From Steffen Thorsen (2017-12-18): # According to many media sources, next year's DST start in Brazil will move to -# the first Sunday of November, and it will stay like that for the years after. +# the first Sunday of November # ... https://www.timeanddate.com/news/time/brazil-delays-dst-2018.html # From Steffen Thorsen (2017-12-20): # http://www.planalto.gov.br/ccivil_03/_ato2015-2018/2017/decreto/D9242.htm -# # From Fábio Gomes (2018-10-04): # The Brazilian president just announced a new change on this year DST. # It was scheduled to start on November 4th and it was changed to November 18th. @@ -935,22 +934,21 @@ # The Brazilian government just announced that the change in DST was # canceled.... Maybe the president Michel Temer also woke up one hour # earlier today. :) -Rule Brazil 2018 max - Nov Sun>=1 0:00 1:00 - -Rule Brazil 2023 only - Feb Sun>=22 0:00 0 - -Rule Brazil 2024 2025 - Feb Sun>=15 0:00 0 - -Rule Brazil 2026 only - Feb Sun>=22 0:00 0 - -Rule Brazil 2027 2033 - Feb Sun>=15 0:00 0 - -Rule Brazil 2034 only - Feb Sun>=22 0:00 0 - -Rule Brazil 2035 2036 - Feb Sun>=15 0:00 0 - -Rule Brazil 2037 only - Feb Sun>=22 0:00 0 - -# From Arthur David Olson (2008-09-29): -# The next is wrong in some years but is better than nothing. -Rule Brazil 2038 max - Feb Sun>=15 0:00 0 - - -# The latest ruleset listed above says that the following states observe DST: +Rule Brazil 2018 only - Nov Sun>=1 0:00 1:00 - +# The last ruleset listed above says that the following states observed DST: # DF, ES, GO, MG, MS, MT, PR, RJ, RS, SC, SP. +# +# From Steffen Thorsen (2019-04-05): +# According to multiple sources the Brazilian president wants to get rid of DST. +# https://gmconline.com.br/noticias/politica/bolsonaro-horario-de-verao-deve-acabar-este-ano +# https://g1.globo.com/economia/noticia/2019/04/05/governo-anuncia-fim-do-horario-de-verao.ghtml +# From Marcus Diniz (2019-04-25): +# Brazil no longer has DST changes - decree signed today +# https://g1.globo.com/politica/noticia/2019/04/25/bolsonaro-assina-decreto-que-acaba-com-o-horario-de-verao.ghtml +# From Daniel Soares de Oliveira (2019-04-26): +# http://www.planalto.gov.br/ccivil_03/_Ato2019-2022/2019/Decreto/D9772.htm -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] # # Fernando de Noronha (administratively part of PE) Zone America/Noronha -2:09:40 - LMT 1914 @@ -1258,6 +1256,8 @@ # https://twitter.com/MinEnergia/status/1029009354001973248 # "We will keep the new time policy unchanged for at least the next 4 years." # So we extend the new rules on Saturdays at 24:00 mainland time indefinitely. +# From Juan Correa (2019-02-04): +# http://www.diariooficial.interior.gob.cl/publicaciones/2018/11/23/42212/01/1498738.pdf # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Chile 1927 1931 - Sep 1 0:00 1:00 - @@ -1298,7 +1298,7 @@ Rule Chile 2019 max - Sep Sun>=2 4:00u 1:00 - # IATA SSIM anomalies: (1992-02) says 1992-03-14; # (1996-09) says 1998-03-08. Ignore these. -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Santiago -4:42:46 - LMT 1890 -4:42:46 - SMT 1910 Jan 10 # Santiago Mean Time -5:00 - -05 1916 Jul 1 @@ -1347,7 +1347,7 @@ # Palmer has followed Chile. Prior to that, before the Falklands War, # Palmer used to be supplied from Argentina. # -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Antarctica/Palmer 0 - -00 1965 -4:00 Arg -04/-03 1969 Oct 5 -3:00 Arg -03/-02 1982 May @@ -1362,7 +1362,7 @@ # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule CO 1992 only - May 3 0:00 1:00 - Rule CO 1993 only - Apr 4 0:00 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Bogota -4:56:16 - LMT 1884 Mar 13 -4:56:16 - BMT 1914 Nov 23 # Bogotá Mean Time -5:00 CO -05/-04 @@ -1387,7 +1387,7 @@ # Netherlands as Kingdom Islands. This won't affect their time zones # though, as far as we know. # -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Curacao -4:35:47 - LMT 1912 Feb 12 # Willemstad -4:30 - -0430 1965 -4:00 - AST @@ -1423,7 +1423,7 @@ Rule Ecuador 1992 only - Nov 28 0:00 1:00 - Rule Ecuador 1993 only - Feb 5 0:00 0 - # -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Guayaquil -5:19:20 - LMT 1890 -5:14:00 - QMT 1931 # Quito Mean Time -5:00 Ecuador -05/-04 @@ -1526,7 +1526,7 @@ Rule Falk 1986 2000 - Apr Sun>=16 0:00 0 - Rule Falk 2001 2010 - Apr Sun>=15 2:00 0 - Rule Falk 2001 2010 - Sep Sun>=1 2:00 1:00 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Atlantic/Stanley -3:51:24 - LMT 1890 -3:51:24 - SMT 1912 Mar 12 # Stanley Mean Time -4:00 Falk -04/-03 1983 May @@ -1535,13 +1535,13 @@ -3:00 - -03 # French Guiana -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Cayenne -3:29:20 - LMT 1911 Jul -4:00 - -04 1967 Oct -3:00 - -03 # Guyana -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Guyana -3:52:40 - LMT 1915 Mar # Georgetown -3:45 - -0345 1975 Jul 31 -3:00 - -03 1991 @@ -1635,7 +1635,7 @@ # http://www.presidencia.gov.py/archivos/documentos/DECRETO1264_ey9r8zai.pdf Rule Para 2013 max - Mar Sun>=22 0:00 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Asuncion -3:50:40 - LMT 1890 -3:50:40 - AMT 1931 Oct 10 # Asunción Mean Time -4:00 - -04 1972 Oct @@ -1664,13 +1664,13 @@ # IATA is ambiguous for 1993/1995; go with Shanks & Pottenger. Rule Peru 1994 only - Jan 1 0:00 1:00 - Rule Peru 1994 only - Apr 1 0:00 0 - -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Lima -5:08:12 - LMT 1890 -5:08:36 - LMT 1908 Jul 28 # Lima Mean Time? -5:00 Peru -05/-04 # South Georgia -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Atlantic/South_Georgia -2:26:08 - LMT 1890 # Grytviken -2:00 - -02 @@ -1678,7 +1678,7 @@ # uninhabited; scientific personnel have wintered # Suriname -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Paramaribo -3:40:40 - LMT 1911 -3:40:52 - PMT 1935 # Paramaribo Mean Time -3:40:36 - PMT 1945 Oct # The capital moved? @@ -1686,7 +1686,7 @@ -3:00 - -03 # Trinidad and Tobago -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Port_of_Spain -4:06:04 - LMT 1912 Mar 2 -4:00 - AST @@ -1957,7 +1957,7 @@ # ... published in the official Gazette [2016-04-18], here: # http://historico.tsj.gob.ve/gaceta_ext/abril/1842016/E-1842016-4551.pdf -# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Caracas -4:27:44 - LMT 1890 -4:27:40 - CMT 1912 Feb 12 # Caracas Mean Time? -4:30 - -0430 1965 Jan 1 0:00 --- contrib/tzdata/systemv.orig +++ contrib/tzdata/systemv @@ -23,7 +23,7 @@ Rule SystemV 1976 max - Apr lastSun 2:00 1:00 D Rule SystemV 1976 max - Oct lastSun 2:00 0 S -# Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL] +# Zone NAME STDOFF RULES/SAVE FORMAT [UNTIL] ## Zone SystemV/AST4ADT -4:00 SystemV A%sT ## Zone SystemV/EST5EDT -5:00 SystemV E%sT ## Zone SystemV/CST6CDT -6:00 SystemV C%sT --- contrib/tzdata/theory.html.orig +++ contrib/tzdata/theory.html @@ -88,7 +88,7 @@ standard for UNIX-like systems. As of this writing, the current edition of POSIX is: The Open +href="https://pubs.opengroup.org/onlinepubs/9699919799/"> The Open Group Base Specifications Issue 7, IEEE Std 1003.1-2017, 2018 Edition. Because the database's scope encompasses real-world changes to civil @@ -186,7 +186,7 @@ href="https://en.wikipedia.org/wiki/ASCII">ASCII letters, '.', '-' and '_'. Do not use digits, as that might create an ambiguity with POSIX + href="https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap08.html#tag_08_03">POSIX TZ strings. A file name component must not exceed 14 characters or start with '-'. @@ -301,7 +301,7 @@

Guidelines have evolved with time, and names following old versions of -this guideline might not follow the current version. When guidelines +these guidelines might not follow the current version. When guidelines have changed, old names continue to be supported. Guideline changes have included the following:

@@ -330,7 +330,7 @@
  • -Older versions of this guideline said that +Older versions of these guidelines said that there should typically be at least one name for each ISO @@ -379,8 +379,8 @@ special meaning to the UNIX shell and cause commands like - 'set - `date`' + 'set + `date`' to have unexpected effects. Previous editions of this guideline required upper-case letters, but the Congressman who introduced @@ -955,7 +955,7 @@
  • In POSIX, there is no tamper-proof way for a process to learn the - system's best idea of local wall clock. + system's best idea of local (wall clock) time. This is important for applications that an administrator wants used only at certain times – without regard to whether the user has fiddled the @@ -1052,14 +1052,14 @@
  • A function tzsetwall has been added to arrange for the - system's best approximation to local wall clock time to be delivered + system's best approximation to local (wall clock) time to be delivered by subsequent calls to localtime. - Source code for portable applications that "must" run on local wall - clock time should call tzsetwall; + Source code for portable applications that "must" run on local + time should call tzsetwall; if such code is moved to "old" systems that do not provide tzsetwall, you will not be able to generate an executable program. - (These functions also arrange for local wall clock time to + (These functions also arrange for local time to be used if tzset is called – directly or indirectly – and there is no TZ environment variable; portable applications should not, however, rely on this @@ -1354,11 +1354,11 @@ Michael Allison and Robert Schmunk, "Technical Notes on Mars Solar Time as Adopted by the Mars24 Sunclock" - (2015-06-30). + (2018-12-13).
  • Jia-Rui Chong, - "Workdays + "Workdays Fit for a Martian", Los Angeles Times (2004-01-14), pp A1, A20–A21.
    • --- contrib/tzdata/version.orig +++ contrib/tzdata/version @@ -1 +1 @@ -2019a +2019b --- contrib/tzdata/zishrink.awk.orig +++ contrib/tzdata/zishrink.awk @@ -20,7 +20,8 @@ # Return a shortened rule name representing NAME, # and record this relationship to the hash table. -function gen_rule_name(name, n) +function gen_rule_name(name, \ + n) { # Use a simple memonic: the first two letters. n = substr(name, 1, 2) @@ -29,7 +30,8 @@ return n } -function prehash_rule_names(name) +function prehash_rule_names( \ + name) { # Rule names are not part of the tzdb API, so substitute shorter # ones. Shortening them consistently from one release to the next @@ -148,9 +150,11 @@ } } -# Process an input line and save it for later output. +# Process the input line LINE and save it for later output. -function process_input_line(line, field, end, i, n, startdef) +function process_input_line(line, \ + field, end, i, n, startdef, \ + linkline, ruleline, zoneline) { # Remove comments, normalize spaces, and append a space to each line. sub(/#.*/, "", line) @@ -157,11 +161,10 @@ line = line " " gsub(/[\t ]+/, " ", line) - # Abbreviate keywords. Do not abbreviate "Link" to just "L", - # as pre-2017c zic erroneously diagnoses "Li" as ambiguous. - sub(/^Link /, "Li ", line) - sub(/^Rule /, "R ", line) - sub(/^Zone /, "Z ", line) + # Abbreviate keywords and determine line type. + linkline = sub(/^Link /, "L ", line) + ruleline = sub(/^Rule /, "R ", line) + zoneline = sub(/^Zone /, "Z ", line) # SystemV rules are not needed. if (line ~ /^R SystemV /) return @@ -169,7 +172,7 @@ # Replace FooAsia rules with the same rules without "Asia", as they # are duplicates. if (match(line, /[^ ]Asia /)) { - if (line ~ /^R /) return + if (ruleline) return line = substr(line, 1, RSTART) substr(line, RSTART + 5) } @@ -179,21 +182,19 @@ while (match(line, /:0[^:]/)) line = substr(line, 1, RSTART - 1) substr(line, RSTART + 2) - # Abbreviate weekday names. Do not abbreviate "Sun" and "Sat", as - # pre-2017c zic erroneously diagnoses "Su" and "Sa" as ambiguous. + # Abbreviate weekday names. while (match(line, / (last)?(Mon|Wed|Fri)[ <>]/)) { end = RSTART + RLENGTH line = substr(line, 1, end - 4) substr(line, end - 1) } - while (match(line, / (last)?(Tue|Thu)[ <>]/)) { + while (match(line, / (last)?(Sun|Tue|Thu|Sat)[ <>]/)) { end = RSTART + RLENGTH line = substr(line, 1, end - 3) substr(line, end - 1) } - # Abbreviate "max", "only" and month names. - # Do not abbreviate "min", as pre-2017c zic erroneously diagnoses "mi" - # as ambiguous. + # Abbreviate "max", "min", "only" and month names. gsub(/ max /, " ma ", line) + gsub(/ min /, " mi ", line) gsub(/ only /, " o ", line) gsub(/ Jan /, " Ja ", line) gsub(/ Feb /, " F ", line) @@ -221,7 +222,7 @@ n = split(line, field) # Abbreviate rule names. - i = field[1] == "Z" ? 4 : field[1] == "Li" ? 0 : 2 + i = zoneline ? 4 : linkline ? 0 : 2 if (i && field[i] ~ /^[^-+0-9]/) { if (!rule[field[i]]) rule[field[i]] = gen_rule_name(field[i]) @@ -231,11 +232,11 @@ # If this zone supersedes an earlier one, delete the earlier one # from the saved output lines. startdef = "" - if (field[1] == "Z") + if (zoneline) zonename = startdef = field[2] - else if (field[1] == "Li") + else if (linkline) zonename = startdef = field[3] - else if (field[1] == "R") + else if (ruleline) zonename = "" if (startdef) { i = zonedef[startdef] @@ -254,7 +255,8 @@ output_line[nout++] = line } -function output_saved_lines(i) +function output_saved_lines( \ + i) { for (i = 0; i < nout; i++) if (output_line[i]) --- contrib/tzdata/zone.tab.orig +++ contrib/tzdata/zone.tab @@ -332,7 +332,10 @@ RS +4450+02030 Europe/Belgrade RU +5443+02030 Europe/Kaliningrad MSK-01 - Kaliningrad RU +554521+0373704 Europe/Moscow MSK+00 - Moscow area -RU +4457+03406 Europe/Simferopol MSK+00 - Crimea +# The obsolescent zone.tab format cannot represent Europe/Simferopol well. +# Put it in RU section and list as UA. See "territorial claims" above. +# Programs should use zone1970.tab instead; see above. +UA +4457+03406 Europe/Simferopol MSK+00 - Crimea RU +5836+04939 Europe/Kirov MSK+00 - Kirov RU +4621+04803 Europe/Astrakhan MSK+01 - Astrakhan RU +4844+04425 Europe/Volgograd MSK+01 - Volgograd --- contrib/tzdata/zone1970.tab.orig +++ contrib/tzdata/zone1970.tab @@ -290,7 +290,8 @@ RS,BA,HR,ME,MK,SI +4450+02030 Europe/Belgrade RU +5443+02030 Europe/Kaliningrad MSK-01 - Kaliningrad RU +554521+0373704 Europe/Moscow MSK+00 - Moscow area -RU +4457+03406 Europe/Simferopol MSK+00 - Crimea +# Mention RU and UA alphabetically. See "territorial claims" above. +RU,UA +4457+03406 Europe/Simferopol MSK+00 - Crimea RU +5836+04939 Europe/Kirov MSK+00 - Kirov RU +4621+04803 Europe/Astrakhan MSK+01 - Astrakhan RU +4844+04425 Europe/Volgograd MSK+01 - Volgograd --- contrib/tzdata/zoneinfo2tdf.pl.orig +++ contrib/tzdata/zoneinfo2tdf.pl @@ -28,7 +28,7 @@ $contZone = ''; if ($type eq 'zone') { - # Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL] + # Zone NAME STDOFF RULES/SAVE FORMAT [UNTIL] my $nfields = @fields; $nfields >= 5 or warn "bad zone line"; if ($nfields > 6) {