8373476: (tz) Update Timezone Data to 2025c

Reviewed-by: coffeys, naoto
This commit is contained in:
Johny Jose 2026-01-06 10:36:41 +00:00 committed by Sean Coffey
parent 938bbd5b60
commit 5df183be6c
11 changed files with 123 additions and 64 deletions

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@ -21,4 +21,4 @@
# or visit www.oracle.com if you need additional information or have any
# questions.
#
tzdata2025b
tzdata2025c

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@ -27,9 +27,9 @@
# 2009-05-17 by Arthur David Olson.
# This file is by no means authoritative; if you think you know better,
# go ahead and edit the file (and please send any changes to
# tz@iana.org for general use in the future). For more, please see
# the file CONTRIBUTING in the tz distribution.
# go ahead and edit the file, and please send any changes to
# the public mailing list tz@iana.org for general use in the future.
# For more, please see the file CONTRIBUTING in the tz distribution.
# From Paul Eggert (2018-05-27):
#
@ -138,8 +138,9 @@ Zone Atlantic/Cape_Verde -1:34:04 - LMT 1912 Jan 01 2:00u # Praia
-1:00 - %z
# Chad
# Fort-Lamy was renamed to NDjamena on 1973-04-06.
# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone Africa/Ndjamena 1:00:12 - LMT 1912 Jan 1 # N'Djamena
Zone Africa/Ndjamena 1:00:12 - LMT 1912 Jan 1 # Fort-Lamy
1:00 - WAT 1979 Oct 14
1:00 1:00 WAST 1980 Mar 8
1:00 - WAT

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@ -26,13 +26,10 @@
# This file is in the public domain, so clarified as of
# 2009-05-17 by Arthur David Olson.
# From Paul Eggert (1999-11-15):
# To keep things manageable, we list only locations occupied year-round; see
# COMNAP - Stations and Bases
# http://www.comnap.aq/comnap/comnap.nsf/P/Stations/
# and
# Summary of the Peri-Antarctic Islands (1998-07-23)
# http://www.spri.cam.ac.uk/bob/periant.htm
# From Paul Eggert (2025-08-16):
# To keep things manageable, list only locations occupied year-round; see
# Antarctic Facilities Information
# https://www.comnap.aq/antarctic-facilities-information
# for information.
# Unless otherwise specified, we have no time zone information.
@ -167,6 +164,7 @@ Zone Antarctica/Mawson 0 - -00 1954 Feb 13
# China - year-round bases
# Great Wall, King George Island, -6213-05858, since 1985-02-20
# Zhongshan, Larsemann Hills, Prydz Bay, -6922+07623, since 1989-02-26
# Qinling, Inexpressible I, Terra Nova Bay, -7456+16343, since 2024-02-07
# France - year-round bases (also see "France & Italy")
#

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@ -27,9 +27,9 @@
# 2009-05-17 by Arthur David Olson.
# This file is by no means authoritative; if you think you know better,
# go ahead and edit the file (and please send any changes to
# tz@iana.org for general use in the future). For more, please see
# the file CONTRIBUTING in the tz distribution.
# go ahead and edit the file, and please send any changes to
# the public mailing list tz@iana.org for general use in the future.
# For more, please see the file CONTRIBUTING in the tz distribution.
# From Paul Eggert (2019-07-11):
#

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@ -960,9 +960,9 @@ Zone Pacific/Efate 11:13:16 - LMT 1912 Jan 13 # Vila
# NOTES
# This file is by no means authoritative; if you think you know better,
# go ahead and edit the file (and please send any changes to
# tz@iana.org for general use in the future). For more, please see
# the file CONTRIBUTING in the tz distribution.
# go ahead and edit the file, and please send any changes to
# the public mailing list tz@iana.org for general use in the future.
# For more, please see the file CONTRIBUTING in the tz distribution.
# From Paul Eggert (2018-11-18):
#
@ -2011,6 +2011,7 @@ Zone Pacific/Efate 11:13:16 - LMT 1912 Jan 13 # Vila
# From Paul Eggert (2018-11-19):
# The 1921-01-15 introduction of standard time is in Shanks; it is also in
# "Standard Time Throughout the World", US National Bureau of Standards (1935),
# https://nvlpubs.nist.gov/nistpubs/Legacy/circ/nbscircular406.pdf
# page 3, which does not give the UT offset. In response to a comment by
# Phake Nick I set the Nauru time of occupation by Japan to
# 1942-08-29/1945-09-08 by using dates from:
@ -2078,9 +2079,10 @@ Zone Pacific/Efate 11:13:16 - LMT 1912 Jan 13 # Vila
# https://webspace.science.uu.nl/~gent0113/idl/idl_alaska_samoa.htm
# Although Shanks & Pottenger says they both switched to UT -11:30
# in 1911, and to -11 in 1950. many earlier sources give -11
# in 1911, and to -11 in 1950, many earlier sources give -11
# for American Samoa, e.g., the US National Bureau of Standards
# circular "Standard Time Throughout the World", 1932.
# https://nvlpubs.nist.gov/nistpubs/Legacy/circ/nbscircular399.pdf
# Assume American Samoa switched to -11 in 1911, not 1950,
# and that after 1950 they agreed until (western) Samoa skipped a
# day in 2011. Assume also that the Samoas follow the US and New

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@ -27,9 +27,9 @@
# 2009-05-17 by Arthur David Olson.
# This file is by no means authoritative; if you think you know better,
# go ahead and edit the file (and please send any changes to
# tz@iana.org for general use in the future). For more, please see
# the file CONTRIBUTING in the tz distribution.
# go ahead and edit the file, and please send any changes to
# the public mailing list tz@iana.org for general use in the future.
# For more, please see the file CONTRIBUTING in the tz distribution.
# From Paul Eggert (2017-02-10):
#
@ -65,7 +65,7 @@
# <https://www.jstor.org/stable/1774359>. He writes:
# "It is requested that corrections and additions to these tables
# may be sent to Mr. John Milne, Royal Geographical Society,
# Savile Row, London." Nowadays please email them to tz@iana.org.
# Savile Row, London." Nowadays please see the file CONTRIBUTING.
#
# Byalokoz EL. New Counting of Time in Russia since July 1, 1919.
# This Russian-language source was consulted by Vladimir Karpinsky; see
@ -77,7 +77,7 @@
# Десятая гос. тип., 1919.
# http://resolver.gpntb.ru/purl?docushare/dsweb/Get/Resource-2011/Byalokoz__E.L.__Novyy__schet__vremeni__v__techenie__sutok__izd__2(1).pdf
#
# Brazil's Divisão Serviço da Hora (DSHO),
# Brazil's Divisão de Serviços da Hora (DISHO)
# History of Summer Time
# <http://pcdsh01.on.br/HISTHV.htm>
# (1998-09-21, in Portuguese)
@ -937,7 +937,7 @@ Rule Belgium 1922 1927 - Oct Sat>=1 23:00s 0 -
Rule Belgium 1923 only - Apr 21 23:00s 1:00 S
Rule Belgium 1924 only - Mar 29 23:00s 1:00 S
Rule Belgium 1925 only - Apr 4 23:00s 1:00 S
# DSH writes that a royal decree of 1926-02-22 specified the Sun following 3rd
# DISHO writes that a royal decree of 1926-02-22 specified the Sun following 3rd
# Sat in Apr (except if it's Easter, in which case it's one Sunday earlier),
# to Sun following 1st Sat in Oct, and that a royal decree of 1928-09-15
# changed the transition times to 02:00 GMT.
@ -1333,6 +1333,13 @@ Zone Europe/Helsinki 1:39:49 - LMT 1878 May 31
# France
# Monaco
# From Robert H. van Gent (2025-07-21):
# The most recent issue of the Annuaire [par le Bureau des Longitudes]
# on Gallica (2021) ... lists information for France
# https://gallica.bnf.fr/ark:/12148/bpt6k9127672b/f52.item
# From Paul Eggert (2025-07-21):
# Go with the 2020 Annuaire (published 2021) except as noted below.
# From Ciro Discepolo (2000-12-20):
#
# Henri Le Corre, Régimes horaires pour le monde entier, Éditions
@ -1394,7 +1401,6 @@ Zone Europe/Helsinki 1:39:49 - LMT 1878 May 31
# problems in Algiers, Monaco and Tunis.
#
# Shank & Pottenger seem to use '24:00' ambiguously; resolve it with Whitman.
# Rule NAME FROM TO - IN ON AT SAVE LETTER/S
Rule France 1916 only - Jun 14 23:00s 1:00 S
Rule France 1916 1919 - Oct Sun>=1 23:00s 0 -
@ -1406,9 +1412,25 @@ Rule France 1920 only - Oct 23 23:00s 0 -
Rule France 1921 only - Mar 14 23:00s 1:00 S
Rule France 1921 only - Oct 25 23:00s 0 -
Rule France 1922 only - Mar 25 23:00s 1:00 S
# DSH writes that a law of 1923-05-24 specified 3rd Sat in Apr at 23:00 to 1st
# Sat in Oct at 24:00; and that in 1930, because of Easter, the transitions
# were Apr 12 and Oct 5. Go with Shanks & Pottenger.
# From Robert H. van Gent (2025-07-22):
# There is a curious history behind the erroneous date for the start of
# daylight saving in France in 1923 as listed in the current issues of
# the Annuaire du Bureau des Longitudes. [See:]
# https://lists.iana.org/hyperkitty/list/tz@iana.org/message/MYQEJMSXO2AIEZ3UIXZKMTTAIPY7KNT2/
# From Brian Inglis (2025-07-23):
# Légifrance JORF No. 0073 du 15 mars 1922
# https://www.legifrance.gouv.fr/jorf/jo/id/JORFCONT000000008324
# Légifrance JORF No. 0139 du 25 mai 1923
# https://www.legifrance.gouv.fr/jorf/jo/id/JORFCONT000000008416
# From Paul Eggert (2025-07-23):
# The latter specifies March's last Saturday at 23:00 to October's first
# Saturday at 24:00, except that if neighboring allies agree the dates
# can be moved to April's third Saturday and September's third Saturday.
# Apparently spring 1923 was tricky. DISHO writes that in 1930,
# because of Easter, the transitions were Apr 12 and Oct 5.
# Use the 2020 Annuaire dates, except for spring 1923 where
# Shanks & Pottenger's May 26 matches the dates given in the 1924 and
# 1961-2001 issues of the Annuaire.
Rule France 1922 1938 - Oct Sat>=1 23:00s 0 -
Rule France 1923 only - May 26 23:00s 1:00 S
Rule France 1924 only - Mar 29 23:00s 1:00 S
@ -2119,12 +2141,10 @@ Zone Europe/Warsaw 1:24:00 - LMT 1880
# all clocks therefore having to be advanced or set back correspondingly ...
# Rule NAME FROM TO - IN ON AT SAVE LETTER/S
# From Tim Parenti (2024-07-01), per Paul Eggert (1999-01-30):
# DSH writes in their history that Decreto 1469 of 1915-03-30 established
# summer time and that, "despite" this, the change to the clocks was not done
# every year, depending on what Spain did, because of railroad schedules.
# In fact, that decree had nothing to do with DST; rather, it regulated the
# sending of time signals. But we do see linkage to Spain in the 1920s below.
# From Tim Parenti (2024-07-01):
# Decreto 1469 of 1915-03-30 ... had nothing to do with DST;
# rather it regulated the sending of time signals.
# But we do see linkage to Spain in the 1920s below.
# https://dre.pt/dr/detalhe/decreto/1469-1915-285721
# https://dre.pt/application/conteudo/285721
#

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@ -26,22 +26,22 @@
# This file is in the public domain, so clarified as of
# 2009-05-17 by Arthur David Olson.
#
# From Paul Eggert (2023-09-06):
# From Paul Eggert (2025-07-01):
# This file contains a table of two-letter country codes. Columns are
# separated by a single tab. Lines beginning with '#' are comments.
# separated by a single tab. Lines beginning with # are comments.
# All text uses UTF-8 encoding. The columns of the table are as follows:
#
# 1. ISO 3166-1 alpha-2 country code, current as of
# ISO/TC 46 N1108 (2023-04-05). See: ISO/TC 46 Documents
# ISO/TC 46 N1127 (2024-02-29). See: ISO/TC 46 Documents
# https://www.iso.org/committee/48750.html?view=documents
# 2. The usual English name for the coded region. This sometimes
# departs from ISO-listed names, sometimes so that sorted subsets
# of names are useful (e.g., "Samoa (American)" and "Samoa
# (western)" rather than "American Samoa" and "Samoa"),
# of names are useful (e.g., “Samoa (American)” and “Samoa
# (western)” rather than “American Samoa” and “Samoa”),
# sometimes to avoid confusion among non-experts (e.g.,
# "Czech Republic" and "Turkey" rather than "Czechia" and "Türkiye"),
# and sometimes to omit needless detail or churn (e.g., "Netherlands"
# rather than "Netherlands (the)" or "Netherlands (Kingdom of the)").
# “Czech Republic” and “Turkey” rather than “Czechia” and “Türkiye”),
# and sometimes to omit needless detail or churn (e.g., “Netherlands”
# rather than “Netherlands (the)” or “Netherlands (Kingdom of the)”).
#
# The table is sorted by country code.
#
@ -94,7 +94,7 @@ CD Congo (Dem. Rep.)
CF Central African Rep.
CG Congo (Rep.)
CH Switzerland
CI Côte d'Ivoire
CI Côte dIvoire
CK Cook Islands
CL Chile
CM Cameroon

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@ -28,7 +28,8 @@
# This file is generated automatically from the data in the public-domain
# NIST/IERS format leap-seconds.list file, which can be copied from
# <https://hpiers.obspm.fr/iers/bul/bulc/ntp/leap-seconds.list>
# or, in a variant with different comments, from
# or via a less-secure protocol and with different comments and
# less volatile last-modified and expiration timestamps, from
# <ftp://ftp.boulder.nist.gov/pub/time/leap-seconds.list>.
# For more about leap-seconds.list, please see
# The NTP Timescale and Leap Seconds
@ -92,11 +93,17 @@ Leap 2016 Dec 31 23:59:60 + S
# Any additional leap seconds will come after this.
# This Expires line is commented out for now,
# so that pre-2020a zic implementations do not reject this file.
#Expires 2025 Dec 28 00:00:00
#Expires 2026 Jun 28 00:00:00
# POSIX timestamps for the data in this file:
#updated 1736208000 (2025-01-07 00:00:00 UTC)
#expires 1766880000 (2025-12-28 00:00:00 UTC)
# Here are POSIX timestamps for the data in this file.
# "#updated" gives the last time the leap seconds data changed
# or, if this file was derived from the IERS leap-seconds.list,
# the last time that file changed in any way.
# "#expires" gives the first time this file might be wrong;
# if this file was derived from the IERS leap-seconds.list,
# this is typically a bit less than one year after "updated".
#updated 1751846400 (2025-07-07 00:00:00 UTC)
#expires 1782604800 (2026-06-28 00:00:00 UTC)
# Updated through IERS Bulletin C (https://hpiers.obspm.fr/iers/bul/bulc/bulletinc.dat)
# File expires on 28 December 2025
# File expires on 28 June 2026

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@ -29,9 +29,9 @@
# also includes Central America and the Caribbean
# This file is by no means authoritative; if you think you know better,
# go ahead and edit the file (and please send any changes to
# tz@iana.org for general use in the future). For more, please see
# the file CONTRIBUTING in the tz distribution.
# go ahead and edit the file, and please send any changes to
# the public mailing list tz@iana.org for general use in the future.
# For more, please see the file CONTRIBUTING in the tz distribution.
# From Paul Eggert (1999-03-22):
# A reliable and entertaining source about time zones is
@ -1241,6 +1241,16 @@ Zone America/Menominee -5:50:27 - LMT 1885 Sep 18 12:00
# _Los Angeles Times_ (1998-11-10), A1, A10; it cites
# Jimmy Skaggs, _The Great Guano Rush_ (1994).
# From Rob van Gent (2025-07-23):
# Another useful source for historical time zone information appears to be
# a series of circulars with the title "Standard Time Throughout the World"
# issued between 1925 and 1950 by the U.S. Bureau of Standards.
# I found the following issues online:
# https://nvlpubs.nist.gov/nistpubs/Legacy/circ/nbscircular280.pdf (1925)
# https://nvlpubs.nist.gov/nistpubs/Legacy/circ/nbscircular399.pdf (1932)
# https://nvlpubs.nist.gov/nistpubs/Legacy/circ/nbscircular406.pdf (1935)
# https://nvlpubs.nist.gov/nistpubs/Legacy/circ/nbscircular496.pdf (1950)
################################################################################
@ -2457,12 +2467,35 @@ Zone America/Dawson -9:17:40 - LMT 1900 Aug 20
# on the same dates or with a difference of one day.
# So it may be easier to implement these changes as DST with rule CA
# during this whole period.
# From Alois Treindl (2025-07-29):
# I did a quick newspaper archive research on https://hndm.iib.unam.mx/
# and found that Periódico Oficial del Estado de Baja California Norte
# (1973-04-20) states clearly that DST was observed from last Sunday
# in April to last Sunday in October.... I have a few more data from the
# official bulletin for DST begin or end in Baja California 1964 1967 1969
# 1972 1973 (already sent) 1974 1975 1976 I do not know whether it is safe to
# assume that it also applied in the years where I did not yet find proof.
# The 1974 end of DST contains a reference to an Acuerdo of 1973-dec-20 which
# I could not find.... One might assume that Baja California, which followed
# US-CA in all these other yours, did the same.
#
# From Paul Eggert (2024-08-18):
# For now, maintain the slightly-different history for Baja California,
# From Paul Eggert (2025-08-04):
# Assume that Tijuana agreed with San Diego from 1953 through 1996,
# as this agrees with Alois Treindl's data and with Shanks.
# For now, keep the slightly-different 1948/1952 history for Baja California,
# as we have no information on whether 1948/1952 clocks in Tijuana followed
# the decrees or followed San Diego.
# From Mark Schapiro, writing in The Nation (2002-10-28):
# https://www.thenation.com/article/archive/sowing-disaster/
# When Mexican clocks were turned back for daylight saving time in the spring,
# the Zapotecs refused to make the adjustment, insisting that they live in
# "God's time," not in what they derisively call "Fox time," referring to
# President Vicente Fox in far-off Mexico City.
# From Paul Eggert (2025-08-04):
# Unfortunately we have no data to track this informal practice.
# From Alan Perry (1996-02-15):
# A guy from our Mexico subsidiary finally found the Presidential Decree
# outlining the timezone changes in Mexico.
@ -2728,7 +2761,7 @@ Zone America/Mexico_City -6:36:36 - LMT 1922 Jan 1 7:00u
# Chihuahua (near US border - western side)
# This includes the municipios of Janos, Ascensión, Juárez, Guadalupe, and
# Práxedis G Guerrero.
# http://gaceta.diputados.gob.mx/PDF/65/2a022/nov/20221124-VII.pdf
# https://gaceta.diputados.gob.mx/PDF/65/2022/nov/20221124-VII.pdf
Zone America/Ciudad_Juarez -7:05:56 - LMT 1922 Jan 1 7:00u
-7:00 - MST 1927 Jun 10
-6:00 - CST 1930 Nov 15
@ -2743,7 +2776,7 @@ Zone America/Ciudad_Juarez -7:05:56 - LMT 1922 Jan 1 7:00u
# Chihuahua (near US border - eastern side)
# This includes the municipios of Coyame del Sotol, Ojinaga, and Manuel
# Benavides.
# http://gaceta.diputados.gob.mx/PDF/65/2a022/nov/20221124-VII.pdf
# https://gaceta.diputados.gob.mx/PDF/65/2022/nov/20221124-VII.pdf
Zone America/Ojinaga -6:57:40 - LMT 1922 Jan 1 7:00u
-7:00 - MST 1927 Jun 10
-6:00 - CST 1930 Nov 15
@ -2840,9 +2873,7 @@ Zone America/Tijuana -7:48:04 - LMT 1922 Jan 1 7:00u
-8:00 1:00 PDT 1951 Sep 30 2:00
-8:00 - PST 1952 Apr 27 2:00
-8:00 1:00 PDT 1952 Sep 28 2:00
-8:00 - PST 1954
-8:00 CA P%sT 1961
-8:00 - PST 1976
-8:00 CA P%sT 1967
-8:00 US P%sT 1996
-8:00 Mexico P%sT 2001
-8:00 US P%sT 2002 Feb 20

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@ -27,9 +27,9 @@
# 2009-05-17 by Arthur David Olson.
# This file is by no means authoritative; if you think you know better,
# go ahead and edit the file (and please send any changes to
# tz@iana.org for general use in the future). For more, please see
# the file CONTRIBUTING in the tz distribution.
# go ahead and edit the file, and please send any changes to
# the public mailing list tz@iana.org for general use in the future.
# For more, please see the file CONTRIBUTING in the tz distribution.
# From Paul Eggert (2016-12-05):
#

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@ -1 +1 @@
tzdata2025b
tzdata2025c