Skip to content

Commit

Permalink
Backport 917838e0a564b1f2cbfb6cc214ccbfd1a237019f
Browse files Browse the repository at this point in the history
  • Loading branch information
duke committed Feb 8, 2024
1 parent bed2eaa commit 1dc1117
Show file tree
Hide file tree
Showing 10 changed files with 185 additions and 99 deletions.
2 changes: 1 addition & 1 deletion src/java.base/share/data/tzdata/VERSION
View file
Original file line number Diff line number Diff line change
Expand Up @@ -21,4 +21,4 @@
# or visit www.oracle.com if you need additional information or have any
# questions.
#
tzdata2023d
tzdata2024a
8 changes: 6 additions & 2 deletions src/java.base/share/data/tzdata/africa
View file
Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,10 @@
# Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94.
# https://www.jstor.org/stable/1774359
#
# For the 1911/1912 establishment of standard time in French possessions, see:
# Société Française de Physique, Recueil de constantes physiques (1913),
# page 752, 18b.
#
# 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
Expand Down Expand Up @@ -136,7 +140,7 @@ Zone Atlantic/Cape_Verde -1:34:04 - LMT 1912 Jan 01 2:00u # Praia

# Chad
# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone Africa/Ndjamena 1:00:12 - LMT 1912 # N'Djamena
Zone Africa/Ndjamena 1:00:12 - LMT 1912 Jan 1 # N'Djamena
1:00 - WAT 1979 Oct 14
1:00 1:00 WAST 1980 Mar 8
1:00 - WAT
Expand All @@ -162,7 +166,7 @@ Zone Africa/Ndjamena 1:00:12 - LMT 1912 # N'Djamena
# Inaccessible, Nightingale: uninhabited

# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone Africa/Abidjan -0:16:08 - LMT 1912
Zone Africa/Abidjan -0:16:08 - LMT 1912 Jan 1
0:00 - GMT

###############################################################################
Expand Down
174 changes: 109 additions & 65 deletions src/java.base/share/data/tzdata/asia
View file
Original file line number Diff line number Diff line change
Expand Up @@ -2480,18 +2480,33 @@ Zone Asia/Amman 2:23:44 - LMT 1931
# effective December 21st, 2018....
# http://adilet.zan.kz/rus/docs/P1800000817 (russian language).

# From Zhanbolat Raimbekov (2024-01-19):
# Kazakhstan (all parts) switching to UTC+5 on March 1, 2024
# https://www.gov.kz/memleket/entities/mti/press/news/details/688998?lang=ru
# [in Russian]
# (2024-01-20): https://primeminister.kz/ru/decisions/19012024-20
#
# From Alexander Krivenyshev (2024-01-19):
# According to a different news and the official web site for the Ministry of
# Trade and Integration of the Republic of Kazakhstan:
# https://en.inform.kz/news/kazakhstan-to-switch-to-single-hour-zone-mar-1-54ad0b/

# 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,
# KZ-KAR, KZ-SEV, KZ-PAV, and KZ-YUZ.
# This includes Abai/Abay (ISO 3166-2 code KZ-10), Aqmola/Akmola (KZ-11),
# Almaty (KZ-19), Almaty city (KZ-75), Astana city (KZ-71),
# East Kazkhstan (KZ-63), Jambyl/Zhambyl (KZ-31), Jetisu/Zhetysu (KZ-33),
# Karaganda (KZ-35), North Kazakhstan (KZ-59), Pavlodar (KZ-55),
# Shyumkent city (KZ-79), Turkistan (KZ-61), and Ulytau (KZ-62).
Zone Asia/Almaty 5:07:48 - LMT 1924 May 2 # or Alma-Ata
5:00 - +05 1930 Jun 21
6:00 RussiaAsia +06/+07 1991 Mar 31 2:00s
5:00 RussiaAsia +05/+06 1992 Jan 19 2:00s
6:00 RussiaAsia +06/+07 2004 Oct 31 2:00s
6:00 - +06
# Qyzylorda (aka Kyzylorda, Kizilorda, Kzyl-Orda, etc.) (KZ-KZY)
6:00 - +06 2024 Mar 1 0:00
5:00 - +05
# Qyzylorda (aka Kyzylorda, Kizilorda, Kzyl-Orda, etc.) (KZ-43)
Zone Asia/Qyzylorda 4:21:52 - LMT 1924 May 2
4:00 - +04 1930 Jun 21
5:00 - +05 1981 Apr 1
Expand All @@ -2504,8 +2519,7 @@ Zone Asia/Qyzylorda 4:21:52 - LMT 1924 May 2
5:00 RussiaAsia +05/+06 2004 Oct 31 2:00s
6:00 - +06 2018 Dec 21 0:00
5:00 - +05
#
# Qostanay (aka Kostanay, Kustanay) (KZ-KUS)
# Qostanay (aka Kostanay, Kustanay) (KZ-39)
# The 1991/2 rules are unclear partly because of the 1997 Turgai
# reorganization.
Zone Asia/Qostanay 4:14:28 - LMT 1924 May 2
Expand All @@ -2516,9 +2530,9 @@ Zone Asia/Qostanay 4:14:28 - LMT 1924 May 2
5:00 RussiaAsia +05/+06 1991 Mar 31 2:00s
4:00 RussiaAsia +04/+05 1992 Jan 19 2:00s
5:00 RussiaAsia +05/+06 2004 Oct 31 2:00s
6:00 - +06

# Aqtöbe (aka Aktobe, formerly Aktyubinsk) (KZ-AKT)
6:00 - +06 2024 Mar 1 0:00
5:00 - +05
# Aqtöbe (aka Aktobe, formerly Aktyubinsk) (KZ-15)
Zone Asia/Aqtobe 3:48:40 - LMT 1924 May 2
4:00 - +04 1930 Jun 21
5:00 - +05 1981 Apr 1
Expand All @@ -2528,7 +2542,7 @@ Zone Asia/Aqtobe 3:48:40 - LMT 1924 May 2
4:00 RussiaAsia +04/+05 1992 Jan 19 2:00s
5:00 RussiaAsia +05/+06 2004 Oct 31 2:00s
5:00 - +05
# Mangghystaū (KZ-MAN)
# Mangghystaū (KZ-47)
# Aqtau was not founded until 1963, but it represents an inhabited region,
# so include timestamps before 1963.
Zone Asia/Aqtau 3:21:04 - LMT 1924 May 2
Expand All @@ -2540,7 +2554,7 @@ Zone Asia/Aqtau 3:21:04 - LMT 1924 May 2
5:00 RussiaAsia +05/+06 1994 Sep 25 2:00s
4:00 RussiaAsia +04/+05 2004 Oct 31 2:00s
5:00 - +05
# Atyraū (KZ-ATY) is like Mangghystaū except it switched from
# Atyraū (KZ-23) is like Mangghystaū except it switched from
# +04/+05 to +05/+06 in spring 1999, not fall 1994.
Zone Asia/Atyrau 3:27:44 - LMT 1924 May 2
3:00 - +03 1930 Jun 21
Expand All @@ -2551,7 +2565,7 @@ Zone Asia/Atyrau 3:27:44 - LMT 1924 May 2
5:00 RussiaAsia +05/+06 1999 Mar 28 2:00s
4:00 RussiaAsia +04/+05 2004 Oct 31 2:00s
5:00 - +05
# West Kazakhstan (KZ-ZAP)
# West Kazakhstan (KZ-27)
# From Paul Eggert (2016-03-18):
# The 1989 transition is from USSR act No. 227 (1989-03-14).
Zone Asia/Oral 3:25:24 - LMT 1924 May 2 # or Ural'sk
Expand Down Expand Up @@ -3453,19 +3467,26 @@ Zone Asia/Karachi 4:28:12 - LMT 1907
# ... winter time will begin in Palestine from Saturday 10-28-2023,
# 02:00 AM by 60 minutes back.
#
# From Paul Eggert (2023-03-22):
# From Heba Hamad (2024-01-25):
# the summer time for the years 2024,2025 will begin in Palestine
# from Saturday at 02:00 AM by 60 minutes forward as shown below:
# year date
# 2024 2024-04-20
# 2025 2025-04-12
#
# From Paul Eggert (2024-01-25):
# For now, guess that spring and fall transitions will normally
# continue to use 2022's rules, that during DST Palestine will switch
# to standard time at 02:00 the last Saturday before Ramadan and back
# to DST at 02:00 the first Saturday after Ramadan, and that
# to DST at 02:00 the second Saturday after Ramadan, and that
# if the normal spring-forward or fall-back transition occurs during
# Ramadan the former is delayed and the latter advanced.
# To implement this, I predicted Ramadan-oriented transition dates for
# 2023 through 2086 by running the following program under GNU Emacs 28.2,
# 2026 through 2086 by running the following program under GNU Emacs 29.2,
# with the results integrated by hand into the table below.
# Predictions after 2086 are approximated without Ramadan.
#
# (let ((islamic-year 1444))
# (let ((islamic-year 1447))
# (require 'cal-islam)
# (while (< islamic-year 1510)
# (let ((a (calendar-islamic-to-absolute (list 9 1 islamic-year)))
Expand All @@ -3474,6 +3495,7 @@ Zone Asia/Karachi 4:28:12 - LMT 1907
# (while (/= saturday (mod (setq a (1- a)) 7)))
# (while (/= saturday (mod b 7))
# (setq b (1+ b)))
# (setq b (+ 7 b))
# (setq a (calendar-gregorian-from-absolute a))
# (setq b (calendar-gregorian-from-absolute b))
# (insert
Expand Down Expand Up @@ -3524,84 +3546,84 @@ Rule Palestine 2021 only - Oct 29 1:00 0 -
Rule Palestine 2022 only - Mar 27 0:00 1:00 S
Rule Palestine 2022 2035 - Oct Sat<=30 2:00 0 -
Rule Palestine 2023 only - Apr 29 2:00 1:00 S
Rule Palestine 2024 only - Apr 13 2:00 1:00 S
Rule Palestine 2025 only - Apr 5 2:00 1:00 S
Rule Palestine 2024 only - Apr 20 2:00 1:00 S
Rule Palestine 2025 only - Apr 12 2:00 1:00 S
Rule Palestine 2026 2054 - Mar Sat<=30 2:00 1:00 S
Rule Palestine 2036 only - Oct 18 2:00 0 -
Rule Palestine 2037 only - Oct 10 2:00 0 -
Rule Palestine 2038 only - Sep 25 2:00 0 -
Rule Palestine 2039 only - Sep 17 2:00 0 -
Rule Palestine 2039 only - Oct 22 2:00 1:00 S
Rule Palestine 2039 2067 - Oct Sat<=30 2:00 0 -
Rule Palestine 2040 only - Sep 1 2:00 0 -
Rule Palestine 2040 only - Oct 13 2:00 1:00 S
Rule Palestine 2040 only - Oct 20 2:00 1:00 S
Rule Palestine 2040 2067 - Oct Sat<=30 2:00 0 -
Rule Palestine 2041 only - Aug 24 2:00 0 -
Rule Palestine 2041 only - Sep 28 2:00 1:00 S
Rule Palestine 2041 only - Oct 5 2:00 1:00 S
Rule Palestine 2042 only - Aug 16 2:00 0 -
Rule Palestine 2042 only - Sep 20 2:00 1:00 S
Rule Palestine 2042 only - Sep 27 2:00 1:00 S
Rule Palestine 2043 only - Aug 1 2:00 0 -
Rule Palestine 2043 only - Sep 12 2:00 1:00 S
Rule Palestine 2043 only - Sep 19 2:00 1:00 S
Rule Palestine 2044 only - Jul 23 2:00 0 -
Rule Palestine 2044 only - Aug 27 2:00 1:00 S
Rule Palestine 2044 only - Sep 3 2:00 1:00 S
Rule Palestine 2045 only - Jul 15 2:00 0 -
Rule Palestine 2045 only - Aug 19 2:00 1:00 S
Rule Palestine 2045 only - Aug 26 2:00 1:00 S
Rule Palestine 2046 only - Jun 30 2:00 0 -
Rule Palestine 2046 only - Aug 11 2:00 1:00 S
Rule Palestine 2046 only - Aug 18 2:00 1:00 S
Rule Palestine 2047 only - Jun 22 2:00 0 -
Rule Palestine 2047 only - Jul 27 2:00 1:00 S
Rule Palestine 2047 only - Aug 3 2:00 1:00 S
Rule Palestine 2048 only - Jun 6 2:00 0 -
Rule Palestine 2048 only - Jul 18 2:00 1:00 S
Rule Palestine 2048 only - Jul 25 2:00 1:00 S
Rule Palestine 2049 only - May 29 2:00 0 -
Rule Palestine 2049 only - Jul 3 2:00 1:00 S
Rule Palestine 2049 only - Jul 10 2:00 1:00 S
Rule Palestine 2050 only - May 21 2:00 0 -
Rule Palestine 2050 only - Jun 25 2:00 1:00 S
Rule Palestine 2050 only - Jul 2 2:00 1:00 S
Rule Palestine 2051 only - May 6 2:00 0 -
Rule Palestine 2051 only - Jun 17 2:00 1:00 S
Rule Palestine 2051 only - Jun 24 2:00 1:00 S
Rule Palestine 2052 only - Apr 27 2:00 0 -
Rule Palestine 2052 only - Jun 1 2:00 1:00 S
Rule Palestine 2052 only - Jun 8 2:00 1:00 S
Rule Palestine 2053 only - Apr 12 2:00 0 -
Rule Palestine 2053 only - May 24 2:00 1:00 S
Rule Palestine 2053 only - May 31 2:00 1:00 S
Rule Palestine 2054 only - Apr 4 2:00 0 -
Rule Palestine 2054 only - May 16 2:00 1:00 S
Rule Palestine 2055 only - May 1 2:00 1:00 S
Rule Palestine 2056 only - Apr 22 2:00 1:00 S
Rule Palestine 2057 only - Apr 7 2:00 1:00 S
Rule Palestine 2058 max - Mar Sat<=30 2:00 1:00 S
Rule Palestine 2054 only - May 23 2:00 1:00 S
Rule Palestine 2055 only - May 8 2:00 1:00 S
Rule Palestine 2056 only - Apr 29 2:00 1:00 S
Rule Palestine 2057 only - Apr 14 2:00 1:00 S
Rule Palestine 2058 only - Apr 6 2:00 1:00 S
Rule Palestine 2059 max - Mar Sat<=30 2:00 1:00 S
Rule Palestine 2068 only - Oct 20 2:00 0 -
Rule Palestine 2069 only - Oct 12 2:00 0 -
Rule Palestine 2070 only - Oct 4 2:00 0 -
Rule Palestine 2071 only - Sep 19 2:00 0 -
Rule Palestine 2072 only - Sep 10 2:00 0 -
Rule Palestine 2072 only - Oct 15 2:00 1:00 S
Rule Palestine 2072 only - Oct 22 2:00 1:00 S
Rule Palestine 2072 max - Oct Sat<=30 2:00 0 -
Rule Palestine 2073 only - Sep 2 2:00 0 -
Rule Palestine 2073 only - Oct 7 2:00 1:00 S
Rule Palestine 2073 only - Oct 14 2:00 1:00 S
Rule Palestine 2074 only - Aug 18 2:00 0 -
Rule Palestine 2074 only - Sep 29 2:00 1:00 S
Rule Palestine 2074 only - Oct 6 2:00 1:00 S
Rule Palestine 2075 only - Aug 10 2:00 0 -
Rule Palestine 2075 only - Sep 14 2:00 1:00 S
Rule Palestine 2075 only - Sep 21 2:00 1:00 S
Rule Palestine 2076 only - Jul 25 2:00 0 -
Rule Palestine 2076 only - Sep 5 2:00 1:00 S
Rule Palestine 2076 only - Sep 12 2:00 1:00 S
Rule Palestine 2077 only - Jul 17 2:00 0 -
Rule Palestine 2077 only - Aug 28 2:00 1:00 S
Rule Palestine 2077 only - Sep 4 2:00 1:00 S
Rule Palestine 2078 only - Jul 9 2:00 0 -
Rule Palestine 2078 only - Aug 13 2:00 1:00 S
Rule Palestine 2078 only - Aug 20 2:00 1:00 S
Rule Palestine 2079 only - Jun 24 2:00 0 -
Rule Palestine 2079 only - Aug 5 2:00 1:00 S
Rule Palestine 2079 only - Aug 12 2:00 1:00 S
Rule Palestine 2080 only - Jun 15 2:00 0 -
Rule Palestine 2080 only - Jul 20 2:00 1:00 S
Rule Palestine 2080 only - Jul 27 2:00 1:00 S
Rule Palestine 2081 only - Jun 7 2:00 0 -
Rule Palestine 2081 only - Jul 12 2:00 1:00 S
Rule Palestine 2081 only - Jul 19 2:00 1:00 S
Rule Palestine 2082 only - May 23 2:00 0 -
Rule Palestine 2082 only - Jul 4 2:00 1:00 S
Rule Palestine 2082 only - Jul 11 2:00 1:00 S
Rule Palestine 2083 only - May 15 2:00 0 -
Rule Palestine 2083 only - Jun 19 2:00 1:00 S
Rule Palestine 2083 only - Jun 26 2:00 1:00 S
Rule Palestine 2084 only - Apr 29 2:00 0 -
Rule Palestine 2084 only - Jun 10 2:00 1:00 S
Rule Palestine 2084 only - Jun 17 2:00 1:00 S
Rule Palestine 2085 only - Apr 21 2:00 0 -
Rule Palestine 2085 only - Jun 2 2:00 1:00 S
Rule Palestine 2085 only - Jun 9 2:00 1:00 S
Rule Palestine 2086 only - Apr 13 2:00 0 -
Rule Palestine 2086 only - May 18 2:00 1:00 S
Rule Palestine 2086 only - May 25 2:00 1:00 S

# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone Asia/Gaza 2:17:52 - LMT 1900 Oct
Expand Down Expand Up @@ -3629,15 +3651,15 @@ Zone Asia/Hebron 2:20:23 - LMT 1900 Oct

# Philippines

# From Paul Eggert (2018-11-18):
# From Paul Eggert (2024-01-21):
# The Spanish initially used American (west-of-Greenwich) time.
# It is unknown what time Manila kept when the British occupied it from
# 1762-10-06 through 1764-04; for now assume it kept American time.
# On 1844-08-16, Narciso Clavería, governor-general of the
# Philippines, issued a proclamation announcing that 1844-12-30 was to
# be immediately followed by 1845-01-01; see R.H. van Gent's
# History of the International Date Line
# https://www.staff.science.uu.nl/~gent0113/idl/idl_philippines.htm
# https://webspace.science.uu.nl/~gent0113/idl/idl_philippines.htm
# The rest of the data entries are from Shanks & Pottenger.

# From Jesper Nørgaard Welen (2006-04-26):
Expand Down Expand Up @@ -4064,7 +4086,8 @@ Zone Asia/Tashkent 4:37:11 - LMT 1924 May 2
# The English-language name of Vietnam's most populous city is "Ho Chi Minh
# City"; use Ho_Chi_Minh below to avoid a name of more than 14 characters.

# From Paul Eggert (2022-07-27) after a 2014 heads-up from Trần Ngọc Quân:
# From Paul Eggert (2024-01-14) after a 2014 heads-up from Trần Ngọc Quân
# and a 2024-01-14 heads-up from Đoàn Trần Công Danh:
# Trần Tiến Bình's authoritative book "Lịch Việt Nam: thế kỷ XX-XXI (1901-2100)"
# (Nhà xuất bản Văn Hoá - Thông Tin, Hanoi, 2005), pp 49-50,
# is quoted verbatim in:
Expand Down Expand Up @@ -4094,24 +4117,45 @@ Zone Asia/Tashkent 4:37:11 - LMT 1924 May 2
#
# Trần cites the following sources; it's unclear which supplied the info above.
#
# Hoàng Xuân Hãn: "Lịch và lịch Việt Nam". Tập san Khoa học Xã hội,
# No. 9, Paris, February 1982.
# Hoàng Xuân Hãn: "Lịch và lịch Việt Nam". Tập san Khoa học Xã hội,
# No. 9, Paris, February 1982.
#
# Lê Thành Lân: "Lịch và niên biểu lịch sử hai mươi thế kỷ (0001-2010)",
# NXB Thống kê, Hanoi, 2000.
#
# Lê Thành Lân: "Lịch và niên biểu lịch sử hai mươi thế kỷ (0001-2010)",
# NXB Thống kê, Hanoi, 2000.
# Lê Thành Lân: "Lịch hai thế kỷ (1802-2010) và các lịch vĩnh cửu",
# NXB Thuận Hoá, Huế, 1995.
#
# Lê Thành Lân: "Lịch hai thế kỷ (1802-2010) và các lịch vĩnh cửu",
# NXB Thuận Hoá, Huế, 1995.
# Here is the decision for the September 1945 transition:
# Võ Nguyên Giáp, Việt Nam Dân Quốc Công Báo, No. 1 (1945-09-29), page 13
# http://baochi.nlv.gov.vn/baochi/cgi-bin/baochi?a=d&d=JwvzO19450929.2.5&dliv=none
# It says that on 1945-09-01 at 24:00, Vietnam moved back two hours, to +07.
# It also mentions a 1945-03-29 decree (by a Japanese Goveror-General)
# to set the time zone to +09, but does not say whether that decree
# merely legalized an earlier change to +09.
#
# July 1955 transition:
# Ngô Đình Diệm, Công Báo Việt Nam, No. 92 (1955-07-02), page 1780-1781
# Ordinance (Dụ) No. 46 (1955-06-25)
# http://ddsnext.crl.edu/titles/32341#?c=0&m=29&s=0&cv=4&r=0&xywh=-89%2C342%2C1724%2C1216
# It says that on 1955-07-01 at 01:00, South Vietnam moved back 1 hour (to +07).
#
# December 1959 transition:
# Ngô Đình Diệm, Công Báo Việt Nam Cộng Hòa, 1960 part 1 (1960-01-02), page 62
# Decree (Sắc lệnh) No. 362-TTP (1959-12-30)
# http://ddsnext.crl.edu/titles/32341#?c=0&m=138&s=0&cv=793&r=0&xywh=-54%2C1504%2C1705%2C1202
# It says that on 1959-12-31 at 23:00, South Vietnam moved forward 1 hour (to +08).


# Zone NAME STDOFF RULES FORMAT [UNTIL]
#STDOFF 7:06:30.13
Zone Asia/Ho_Chi_Minh 7:06:30 - LMT 1906 Jul 1
7:06:30 - PLMT 1911 May 1 # Phù Liễn MT
7:00 - +07 1942 Dec 31 23:00
8:00 - +08 1945 Mar 14 23:00
9:00 - +09 1945 Sep 2
9:00 - +09 1945 Sep 1 24:00
7:00 - +07 1947 Apr 1
8:00 - +08 1955 Jul 1
8:00 - +08 1955 Jul 1 01:00
7:00 - +07 1959 Dec 31 23:00
8:00 - +08 1975 Jun 13
7:00 - +07
Expand Down
Loading

0 comments on commit 1dc1117

Please sign in to comment.