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8274407: (tz) Update Timezone Data to 2021c
8274467: TestZoneInfo310.java fails with tzdata2021b
8274468: TimeZoneTest.java fails with tzdata2021b

Backport-of: 8ca084617f331b6af934179f3f776c8158da5bba
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TheRealMDoerr committed Oct 26, 2021
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Showing 13 changed files with 306 additions and 407 deletions.
@@ -21,4 +21,4 @@
# or visit www.oracle.com if you need additional information or have any
# questions.
#
tzdata2021a
tzdata2021c
@@ -53,9 +53,6 @@
# Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94.
# https://www.jstor.org/stable/1774359
#
# A reliable and entertaining source about time zones is
# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
#
# European-style abbreviations are commonly used along the Mediterranean.
# For sub-Saharan Africa abbreviations were less standardized.
# Previous editions of this database used WAT, CAT, SAT, and EAT
@@ -176,8 +173,9 @@ Zone Africa/Ndjamena 1:00:12 - LMT 1912 # N'Djamena
# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone Africa/Abidjan -0:16:08 - LMT 1912
0:00 - GMT
Link Africa/Abidjan Africa/Accra # Ghana
Link Africa/Abidjan Africa/Bamako # Mali
Link Africa/Abidjan Africa/Banjul # Gambia
Link Africa/Abidjan Africa/Banjul # The Gambia
Link Africa/Abidjan Africa/Conakry # Guinea
Link Africa/Abidjan Africa/Dakar # Senegal
Link Africa/Abidjan Africa/Freetown # Sierra Leone
@@ -404,93 +402,8 @@ Zone Africa/Cairo 2:05:09 - LMT 1900 Oct
# Gabon
# See Africa/Lagos.

# Gambia
# See Africa/Abidjan.

# The Gambia
# Ghana

# From P Chan (2020-11-20):
# Interpretation Amendment Ordinance, 1915 (No.24 of 1915) [1915-11-02]
# Ordinances of the Gold Coast, Ashanti, Northern Territories 1915, p 69-71
# https://books.google.com/books?id=ErA-AQAAIAAJ&pg=PA70
# This Ordinance added "'Time' shall mean Greenwich Mean Time" to the
# Interpretation Ordinance, 1876.
#
# Determination of the Time Ordinance, 1919 (No. 18 of 1919) [1919-11-24]
# Ordinances of the Gold Coast, Ashanti, Northern Territories 1919, p 75-76
# https://books.google.com/books?id=MbA-AQAAIAAJ&pg=PA75
# This Ordinance removed the previous definition of time and introduced DST.
#
# Time Determination Ordinance (Cap. 214)
# The Laws of the Gold Coast (including Togoland Under British Mandate)
# Vol. II (1937), p 2328
# https://books.google.com/books?id=Z7M-AQAAIAAJ&pg=PA2328
# Revised edition of the 1919 Ordinance.
#
# Time Determination (Amendment) Ordinance, 1940 (No. 9 of 1940) [1940-04-06]
# Annual Volume of the Laws of the Gold Coast:
# Containing All Legislation Enacted During Year 1940, p 22
# https://books.google.com/books?id=1ao-AQAAIAAJ&pg=PA22
# This Ordinance changed the forward transition from September to May.
#
# Defence (Time Determination Ordinance Amendment) Regulations, 1942
# (Regulations No. 6 of 1942) [1942-01-31, commenced on 1942-02-08]
# Annual Volume of the Laws of the Gold Coast:
# Containing All Legislation Enacted During Year 1942, p 48
# https://books.google.com/books?id=Das-AQAAIAAJ&pg=PA48
# These regulations advanced the [standard] time by thirty minutes.
#
# Defence (Time Determination Ordinance Amendment (No.2)) Regulations,
# 1942 (Regulations No. 28 of 1942) [1942-04-25]
# Annual Volume of the Laws of the Gold Coast:
# Containing All Legislation Enacted During Year 1942, p 87
# https://books.google.com/books?id=Das-AQAAIAAJ&pg=PA87
# These regulations abolished DST and changed the time to GMT+0:30.
#
# Defence (Revocation) (No.4) Regulations, 1945 (Regulations No. 45 of
# 1945) [1945-10-24, commenced on 1946-01-06]
# Annual Volume of the Laws of the Gold Coast:
# Containing All Legislation Enacted During Year 1945, p 256
# https://books.google.com/books?id=9as-AQAAIAAJ&pg=PA256
# These regulations revoked the previous two sets of Regulations.
#
# Time Determination (Amendment) Ordinance, 1945 (No. 18 of 1945) [1946-01-06]
# Annual Volume of the Laws of the Gold Coast:
# Containing All Legislation Enacted During Year 1945, p 69
# https://books.google.com/books?id=9as-AQAAIAAJ&pg=PA69
# This Ordinance abolished DST.
#
# Time Determination (Amendment) Ordinance, 1950 (No. 26 of 1950) [1950-07-22]
# Annual Volume of the Laws of the Gold Coast:
# Containing All Legislation Enacted During Year 1950, p 35
# https://books.google.com/books?id=e60-AQAAIAAJ&pg=PA35
# This Ordinance restored DST but with thirty minutes offset.
#
# Time Determination Ordinance (Cap. 264)
# The Laws of the Gold Coast, Vol. V (1954), p 380
# https://books.google.com/books?id=Mqc-AQAAIAAJ&pg=PA380
# Revised edition of the Time Determination Ordinance.
#
# Time Determination (Amendment) Ordinance, 1956 (No. 21 of 1956) [1956-08-29]
# Annual Volume of the Ordinances of the Gold Coast Enacted During the
# Year 1956, p 83
# https://books.google.com/books?id=VLE-AQAAIAAJ&pg=PA83
# This Ordinance abolished DST.

# Rule NAME FROM TO - IN ON AT SAVE LETTER/S
Rule Ghana 1919 only - Nov 24 0:00 0:20 +0020
Rule Ghana 1920 1942 - Jan 1 2:00 0 GMT
Rule Ghana 1920 1939 - Sep 1 2:00 0:20 +0020
Rule Ghana 1940 1941 - May 1 2:00 0:20 +0020
Rule Ghana 1950 1955 - Sep 1 2:00 0:30 +0030
Rule Ghana 1951 1956 - Jan 1 2:00 0 GMT

# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone Africa/Accra -0:00:52 - LMT 1915 Nov 2
0:00 Ghana %s 1942 Feb 8
0:30 - +0030 1946 Jan 6
0:00 Ghana %s

# Guinea
# See Africa/Abidjan.

@@ -755,7 +668,7 @@ Zone Indian/Mauritius 3:50:00 - LMT 1907 # Port Louis
# See Africa/Nairobi.

# Morocco
# See the 'europe' file for Spanish Morocco (Africa/Ceuta).
# See Africa/Ceuta for Spanish Morocco.

# From Alex Krivenyshev (2008-05-09):
# Here is an article that Morocco plan to introduce Daylight Saving Time between
@@ -1405,23 +1318,21 @@ Zone Africa/Lagos 0:13:35 - LMT 1905 Jul 1
0:13:35 - LMT 1914 Jan 1
0:30 - +0030 1919 Sep 1
1:00 - WAT
Link Africa/Lagos Africa/Bangui # Central African Republic
Link Africa/Lagos Africa/Brazzaville # Rep. of the Congo
Link Africa/Lagos Africa/Douala # Cameroon
Link Africa/Lagos Africa/Kinshasa # Dem. Rep. of the Congo (west)
Link Africa/Lagos Africa/Libreville # Gabon
Link Africa/Lagos Africa/Luanda # Angola
Link Africa/Lagos Africa/Malabo # Equatorial Guinea
Link Africa/Lagos Africa/Niamey # Niger
Link Africa/Lagos Africa/Porto-Novo # Benin
Link Africa/Lagos Africa/Bangui # Central African Republic
Link Africa/Lagos Africa/Brazzaville # Rep. of the Congo
Link Africa/Lagos Africa/Douala # Cameroon
Link Africa/Lagos Africa/Kinshasa # Dem. Rep. of the Congo (west)
Link Africa/Lagos Africa/Libreville # Gabon
Link Africa/Lagos Africa/Luanda # Angola
Link Africa/Lagos Africa/Malabo # Equatorial Guinea
Link Africa/Lagos Africa/Niamey # Niger
Link Africa/Lagos Africa/Porto-Novo # Benin

# Réunion
# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone Indian/Reunion 3:41:52 - LMT 1911 Jun # Saint-Denis
4:00 - +04
#
# Crozet Islands also observes Réunion time; see the 'antarctica' file.
#
# Scattered Islands (Îles Éparses) administered from Réunion are as follows.
# The following information about them is taken from
# Îles Éparses (<http://www.outre-mer.gouv.fr/domtom/ile.htm>, 1997-07-22,
@@ -1513,8 +1424,8 @@ Rule SA 1943 1944 - Mar Sun>=15 2:00 0 -
Zone Africa/Johannesburg 1:52:00 - LMT 1892 Feb 8
1:30 - SAST 1903 Mar
2:00 SA SAST
Link Africa/Johannesburg Africa/Maseru # Lesotho
Link Africa/Johannesburg Africa/Mbabane # Eswatini
Link Africa/Johannesburg Africa/Maseru # Lesotho
Link Africa/Johannesburg Africa/Mbabane # Eswatini
#
# Marion and Prince Edward Is
# scientific station since 1947
@@ -1550,12 +1461,13 @@ Zone Africa/Khartoum 2:10:08 - LMT 1931
3:00 - EAT 2017 Nov 1
2:00 - CAT

# South Sudan

# From Steffen Thorsen (2021-01-18):
# "South Sudan will change its time zone by setting the clock back 1
# hour on February 1, 2021...."
# from https://eyeradio.org/south-sudan-adopts-new-time-zone-makuei/

# South Sudan
# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone Africa/Juba 2:06:28 - LMT 1931
2:00 Sudan CA%sT 2000 Jan 15 12:00
@@ -1660,7 +1572,7 @@ Rule Tunisia 2005 only - Sep 30 1:00s 0 -
Rule Tunisia 2006 2008 - Mar lastSun 2:00s 1:00 S
Rule Tunisia 2006 2008 - Oct lastSun 2:00s 0 -

# See Europe/Paris for PMT-related transitions.
# See Europe/Paris commentary for PMT-related transitions.
# 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
@@ -171,7 +171,7 @@ Zone Antarctica/Mawson 0 - -00 1954 Feb 13
#
# Alfred Faure, Possession Island, Crozet Islands, -462551+0515152, since 1964;
# sealing & whaling stations operated variously 1802/1911+;
# see Indian/Reunion.
# see Asia/Dubai.
#
# Martin-de-Viviès, Amsterdam Island, -374105+0773155, since 1950
# Port-aux-Français, Kerguelen Islands, -492110+0701303, since 1951;
@@ -185,17 +185,7 @@ Zone Indian/Kerguelen 0 - -00 1950 # Port-aux-Français
5:00 - +05
#
# year-round base in the main continent
# Dumont d'Urville, Île des Pétrels, -6640+14001, since 1956-11
# <https://en.wikipedia.org/wiki/Dumont_d'Urville_Station> (2005-12-05)
#
# Another base at Port-Martin, 50km east, began operation in 1947.
# It was destroyed by fire on 1952-01-14.
#
# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone Antarctica/DumontDUrville 0 - -00 1947
10:00 - +10 1952 Jan 14
0 - -00 1956 Nov
10:00 - +10
# Dumont d'Urville - see Pacific/Port_Moresby.

# France & Italy - year-round base
# Concordia, -750600+1232000, since 2005
@@ -211,20 +201,7 @@ Zone Antarctica/DumontDUrville 0 - -00 1947
# Zuchelli, Terra Nova Bay, -744140+1640647, since 1986

# Japan - year-round bases
# Syowa (also known as Showa), -690022+0393524, since 1957
#
# From Hideyuki Suzuki (1999-02-06):
# In all Japanese stations, +0300 is used as the standard time.
#
# 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 STDOFF RULES FORMAT [UNTIL]
Zone Antarctica/Syowa 0 - -00 1957 Jan 29
3:00 - +03
# See:
# NIPR Antarctic Research Activities (1999-08-17)
# http://www.nipr.ac.jp/english/ara01.html
# See Asia/Riyadh.

# S Korea - year-round base
# Jang Bogo, Terra Nova Bay, -743700+1641205 since 2014
@@ -57,9 +57,6 @@
# Byalokoz EL. New Counting of Time in Russia since July 1, 1919.
# (See the 'europe' file for a fuller citation.)
#
# A reliable and entertaining source about time zones is
# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
#
# The following alphabetic abbreviations appear in these tables
# (corrections are welcome):
# std dst
@@ -2257,6 +2254,14 @@ Zone Asia/Tokyo 9:18:59 - LMT 1887 Dec 31 15:00u
# From Paul Eggert (2013-12-11):
# As Steffen suggested, consider the past 21-month experiment to be DST.

# From Steffen Thorsen (2021-09-24):
# The Jordanian Government announced yesterday that they will start DST
# in February instead of March:
# https://petra.gov.jo/Include/InnerPage.jsp?ID=37683&lang=en&name=en_news (English)
# https://petra.gov.jo/Include/InnerPage.jsp?ID=189969&lang=ar&name=news (Arabic)
# From the Arabic version, it seems to say it would be at midnight
# (assume 24:00) on the last Thursday in February, starting from 2022.

# Rule NAME FROM TO - IN ON AT SAVE LETTER/S
Rule Jordan 1973 only - Jun 6 0:00 1:00 S
Rule Jordan 1973 1975 - Oct 1 0:00 0 -
@@ -2287,8 +2292,9 @@ Rule Jordan 2004 only - Oct 15 0:00s 0 -
Rule Jordan 2005 only - Sep lastFri 0:00s 0 -
Rule Jordan 2006 2011 - Oct lastFri 0:00s 0 -
Rule Jordan 2013 only - Dec 20 0:00 0 -
Rule Jordan 2014 max - Mar lastThu 24:00 1:00 S
Rule Jordan 2014 2021 - Mar lastThu 24:00 1:00 S
Rule Jordan 2014 max - Oct lastFri 0:00s 0 -
Rule Jordan 2022 max - Feb lastThu 24:00 1:00 S
# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone Asia/Amman 2:23:44 - LMT 1931
2:00 Jordan EE%sT
@@ -2763,7 +2769,8 @@ Rule NBorneo 1935 1941 - Dec 14 0:00 0 -
#
# peninsular Malaysia
# taken from Mok Ly Yng (2003-10-30)
# http://www.math.nus.edu.sg/aslaksen/teaching/timezone.html
# https://web.archive.org/web/20190822231045/http://www.math.nus.edu.sg/~mathelmr/teaching/timezone.html
# This agrees with Singapore since 1905-06-01.
# 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.
@@ -3523,6 +3530,12 @@ Zone Asia/Hebron 2:20:23 - LMT 1900 Oct
# influence of the sources. There is no current abbreviation for DST,
# so use "PDT", the usual American style.

# From P Chan (2021-05-10):
# Here's a fairly comprehensive article in Japanese:
# https://wiki.suikawiki.org/n/Philippine%20Time
# From Paul Eggert (2021-05-10):
# The info in the Japanese table has not been absorbed (yet) below.

# Rule NAME FROM TO - IN ON AT SAVE LETTER/S
Rule Phil 1936 only - Nov 1 0:00 1:00 D
Rule Phil 1937 only - Feb 1 0:00 0 S
@@ -3589,12 +3602,13 @@ Link Asia/Qatar Asia/Bahrain
# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone Asia/Riyadh 3:06:52 - LMT 1947 Mar 14
3:00 - +03
Link Asia/Riyadh Antarctica/Syowa
Link Asia/Riyadh Asia/Aden # Yemen
Link Asia/Riyadh Asia/Kuwait

# Singapore
# taken from Mok Ly Yng (2003-10-30)
# http://www.math.nus.edu.sg/aslaksen/teaching/timezone.html
# https://web.archive.org/web/20190822231045/http://www.math.nus.edu.sg/~mathelmr/teaching/timezone.html
# 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.

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