From 72c9458b9ae3ff9627e148ba3ca3d4accb33e0be Mon Sep 17 00:00:00 2001 From: Dan Lew Date: Sun, 4 Feb 2024 20:23:26 -0600 Subject: [PATCH] Update to tzdata 2024agtz --- .../danlew/android/joda/JodaTimeAndroid.java | 2 +- tzdata/africa | 8 +- tzdata/asia | 174 +++++++++++------- tzdata/australasia | 14 +- tzdata/etcetera | 2 +- tzdata/europe | 29 ++- tzdata/northamerica | 29 ++- tzdata/southamerica | 5 +- tzdata/version | 2 +- 9 files changed, 177 insertions(+), 88 deletions(-) diff --git a/library/src/main/java/net/danlew/android/joda/JodaTimeAndroid.java b/library/src/main/java/net/danlew/android/joda/JodaTimeAndroid.java index 0406e2b..bcbb88f 100644 --- a/library/src/main/java/net/danlew/android/joda/JodaTimeAndroid.java +++ b/library/src/main/java/net/danlew/android/joda/JodaTimeAndroid.java @@ -7,7 +7,7 @@ */ public final class JodaTimeAndroid { - public static String TZ_DATA_VERSION = "2023dgtz"; + public static String TZ_DATA_VERSION = "2024agtz"; private JodaTimeAndroid() { // no instances diff --git a/tzdata/africa b/tzdata/africa index d97b7c4..b23a92b 100644 --- a/tzdata/africa +++ b/tzdata/africa @@ -30,6 +30,10 @@ # 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 @@ -153,7 +157,7 @@ Zone Africa/Bangui 1:14:20 - LMT 1912 # 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 @@ -188,7 +192,7 @@ Zone Africa/Brazzaville 1:01:08 - LMT 1912 # 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 # Djibouti diff --git a/tzdata/asia b/tzdata/asia index 1075809..bc65797 100644 --- a/tzdata/asia +++ b/tzdata/asia @@ -2478,18 +2478,33 @@ 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 @@ -2502,8 +2517,7 @@ 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 @@ -2514,9 +2528,9 @@ 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 @@ -2526,7 +2540,7 @@ 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 @@ -2538,7 +2552,7 @@ 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 @@ -2549,7 +2563,7 @@ 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 @@ -3480,19 +3494,26 @@ 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))) @@ -3501,6 +3522,7 @@ 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 @@ -3551,84 +3573,84 @@ 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 @@ -3656,7 +3678,7 @@ 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. @@ -3664,7 +3686,7 @@ Zone Asia/Hebron 2:20:23 - LMT 1900 Oct # 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): @@ -4081,7 +4103,8 @@ 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: @@ -4111,14 +4134,35 @@ 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 hai thế kỷ (1802-2010) và các lịch vĩnh cửu", +# NXB Thuận Hoá, Huế, 1995. # -# Lê Thành Lân: "Lịch và niên biểu lịch sử hai mươi thế kỷ (0001-2010)", -# NXB Thống kê, Hanoi, 2000. +# 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. # -# Lê Thành Lân: "Lịch hai thế kỷ (1802-2010) và các lịch vĩnh cửu", -# NXB Thuận Hoá, Huế, 1995. +# 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 @@ -4126,9 +4170,9 @@ 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 diff --git a/tzdata/australasia b/tzdata/australasia index cca8177..ae7f7ee 100644 --- a/tzdata/australasia +++ b/tzdata/australasia @@ -430,11 +430,11 @@ Zone Pacific/Fiji 11:55:44 - LMT 1915 Oct 26 # Suva # French Polynesia # Zone NAME STDOFF RULES FORMAT [UNTIL] -Zone Pacific/Gambier -8:59:48 - LMT 1912 Oct # Rikitea +Zone Pacific/Gambier -8:59:48 - LMT 1912 Oct 1 # Rikitea -9:00 - -09 -Zone Pacific/Marquesas -9:18:00 - LMT 1912 Oct +Zone Pacific/Marquesas -9:18:00 - LMT 1912 Oct 1 -9:30 - -0930 -Zone Pacific/Tahiti -9:58:16 - LMT 1912 Oct # Papeete +Zone Pacific/Tahiti -9:58:16 - LMT 1912 Oct 1 # Papeete -10:00 - -10 # Clipperton (near North America) is administered from French Polynesia; # it is uninhabited. @@ -843,7 +843,7 @@ Zone Pacific/Apia 12:33:04 - LMT 1892 Jul 5 # Solomon Is # excludes Bougainville, for which see Papua New Guinea # Zone NAME STDOFF RULES FORMAT [UNTIL] -Zone Pacific/Guadalcanal 10:39:48 - LMT 1912 Oct # Honiara +Zone Pacific/Guadalcanal 10:39:48 - LMT 1912 Oct 1 # Honiara 11:00 - +11 # Tokelau @@ -1025,6 +1025,10 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # 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. +# # A reliable and entertaining source about time zones is # Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997). # @@ -2101,7 +2105,7 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # ordaining - by a masterpiece of diplomatic flattery - that # the Fourth of July should be celebrated twice in that year." # This happened in 1892, according to the Evening News (Sydney) of 1892-07-20. -# https://www.staff.science.uu.nl/~gent0113/idl/idl.htm +# 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 diff --git a/tzdata/etcetera b/tzdata/etcetera index 865a220..29fbed9 100644 --- a/tzdata/etcetera +++ b/tzdata/etcetera @@ -5,7 +5,7 @@ # These entries are for uses not otherwise covered by the tz database. # Their main practical use is for platforms like Android that lack -# support for POSIX-style TZ strings. On such platforms these entries +# support for POSIX.1-2017-style TZ strings. On such platforms these entries # can be useful if the timezone database is wrong or if a ship or # aircraft at sea is not in a timezone. diff --git a/tzdata/europe b/tzdata/europe index 2e35541..e2ac7e9 100644 --- a/tzdata/europe +++ b/tzdata/europe @@ -1028,9 +1028,34 @@ Zone Europe/Zagreb 1:03:52 - LMT 1884 # Czech Republic (Czechia) # -# From Paul Eggert (2018-04-15): -# The source for Czech data is: Kdy začíná a končí letní čas. 2018-04-15. +# From Ivan Benovic (2024-01-30): +# https://www.slov-lex.sk/pravne-predpisy/SK/ZZ/1946/54/ +# (This is an official link to the Czechoslovak Summer Time Act of +# March 8, 1946 that authorizes the Czechoslovak government to set the +# exact dates of change to summer time and back to Central European Time. +# The act also implicitly confirms Central European Time as the +# official time zone of Czechoslovakia and currently remains in force +# in both the Czech Republic and Slovakia.) +# https://www.psp.cz/eknih/1945pns/tisky/t0216_00.htm +# (This is a link to the original legislative proposal dating back to +# February 22, 1946. The accompanying memorandum to the proposal says +# that an advisory committee on European railroad transportation that +# met in Brussels in October 1945 decided that the change of time +# should be carried out in all participating countries in a strictly +# coordinated manner....) +# +# From Paul Eggert (2024-01-30): +# The source for Czech data is: Kdy začíná a končí letní čas. # https://kalendar.beda.cz/kdy-zacina-a-konci-letni-cas +# Its main text disagrees with its quoted sources only in 1918, +# where the main text says spring and autumn transitions +# occurred at 02:00 and 03:00 respectively (as usual), +# whereas the 1918 source "Oznámení o zavedení letního času v roce 1918" +# says transitions were at 01:00 and 02:00 respectively. +# As the 1918 source appears to be a humorous piece, and it is +# unlikely that Prague would have disagreed with its neighbors by an hour, +# go with the main text for now. +# # We know of no English-language name for historical Czech winter time; # abbreviate it as "GMT", as it happened to be GMT. # diff --git a/tzdata/northamerica b/tzdata/northamerica index 110ab1f..bb72e6e 100644 --- a/tzdata/northamerica +++ b/tzdata/northamerica @@ -1268,6 +1268,10 @@ Zone America/Menominee -5:50:27 - LMT 1885 Sep 18 12:00 # # [PDF] (1914-03) # +# For the 1911/1912 establishment of standard time in French possessions, see: +# Société Française de Physique, Recueil de constantes physiques (1913), +# page 752, 18b. +# # See the 'europe' file for Greenland. # Canada @@ -1354,7 +1358,7 @@ Zone America/Menominee -5:50:27 - LMT 1885 Sep 18 12:00 # From Paul Eggert (2014-10-18): # H. David Matthews and Mary Vincent's map # "It's about TIME", _Canadian Geographic_ (September-October 1998) -# http://www.canadiangeographic.ca/Magazine/SO98/alacarte.asp +# https://web.archive.org/web/19990827055050/https://canadiangeographic.ca/SO98/geomap.htm # contains detailed boundaries for regions observing nonstandard # time and daylight saving time arrangements in Canada circa 1998. # @@ -1646,6 +1650,15 @@ Zone America/Blanc-Sablon -3:48:28 - LMT 1884 # Some cities in the United States have pushed the deadline back # three weeks and will change over from daylight saving in October. +# From Chris Walton (2024-01-09): +# The [Toronto] changes in 1947, 1948, and 1949 took place at 2:00 a.m. local +# time instead of midnight.... Toronto Daily Star - ... +# April 2, 1947 - Page 39 ... April 7, 1948 - Page 13 ... +# April 2, 1949 - Page 1 ... April 7, 1949 - Page 24 ... +# November 25, 1949 - Page 52 ... April 21, 1950 - Page 14 ... +# September 19, 1950 - Page 46 ... September 20, 1950 - Page 3 ... +# November 24, 1950 - Page 21 + # From Arthur David Olson (2010-07-17): # # "Standard Time and Time Zones in Canada" appeared in @@ -1707,13 +1720,9 @@ 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 -Rule Toronto 1947 1948 - Sep lastSun 0:00 0 S -Rule Toronto 1949 only - Nov lastSun 0:00 0 S -Rule Toronto 1950 1973 - Apr lastSun 2:00 1:00 D -Rule Toronto 1950 only - Nov lastSun 2:00 0 S +Rule Toronto 1945 1948 - Sep lastSun 2:00 0 S +Rule Toronto 1946 1973 - Apr lastSun 2:00 1:00 D +Rule Toronto 1949 1950 - Nov lastSun 2:00 0 S Rule Toronto 1951 1956 - Sep lastSun 2:00 0 S # Shanks & Pottenger say Toronto ended DST a week early in 1971, # namely on 1971-10-24, but Mark Brader wrote (2003-05-31) that this @@ -3501,7 +3510,7 @@ Zone America/Jamaica -5:07:10 - LMT 1890 # Kingston # Martinique # 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 + -4:04:20 - FFMT 1911 May 1 # Fort-de-France MT -4:00 - AST 1980 Apr 6 -4:00 1:00 ADT 1980 Sep 28 -4:00 - AST @@ -3604,7 +3613,7 @@ Zone America/St_Lucia -4:04:00 - LMT 1890 # Castries # St Pierre and Miquelon # There are too many St Pierres elsewhere, so we'll use 'Miquelon'. # Zone NAME STDOFF RULES FORMAT [UNTIL] -Zone America/Miquelon -3:44:40 - LMT 1911 May 15 # St Pierre +Zone America/Miquelon -3:44:40 - LMT 1911 Jun 15 # St Pierre -4:00 - AST 1980 May -3:00 - -03 1987 -3:00 Canada -03/-02 diff --git a/tzdata/southamerica b/tzdata/southamerica index 869454a..f2af2cf 100644 --- a/tzdata/southamerica +++ b/tzdata/southamerica @@ -1583,8 +1583,11 @@ Zone Atlantic/Stanley -3:51:24 - LMT 1890 -3:00 - -03 # French Guiana +# For the 1911/1912 establishment of standard time in French possessions, see: +# Société Française de Physique, Recueil de constantes physiques (1913), +# page 752, 18b. # Zone NAME STDOFF RULES FORMAT [UNTIL] -Zone America/Cayenne -3:29:20 - LMT 1911 Jul +Zone America/Cayenne -3:29:20 - LMT 1911 Jul 1 -4:00 - -04 1967 Oct -3:00 - -03 diff --git a/tzdata/version b/tzdata/version index 068a078..63bb1f4 100644 --- a/tzdata/version +++ b/tzdata/version @@ -1 +1 @@ -2023dgtz +2024agtz