From 32d9083ae56799676a5d3d0190a91ef93b51da83 Mon Sep 17 00:00:00 2001 From: "github-actions[bot]" <41898282+github-actions[bot]@users.noreply.github.com> Date: Thu, 23 Mar 2023 09:24:12 +0000 Subject: [PATCH] Update time zone data to 2023agtz (#704) Co-authored-by: Stephen Colebourne (CI) --- pom.xml | 2 +- src/main/java/org/joda/time/tz/src/africa | 71 ++++++---- src/main/java/org/joda/time/tz/src/antarctica | 2 +- src/main/java/org/joda/time/tz/src/asia | 128 ++++++++++++++++-- .../java/org/joda/time/tz/src/australasia | 44 +++--- src/main/java/org/joda/time/tz/src/backward | 1 + src/main/java/org/joda/time/tz/src/europe | 59 ++++---- .../java/org/joda/time/tz/src/northamerica | 31 ++--- .../java/org/joda/time/tz/src/southamerica | 2 +- 9 files changed, 228 insertions(+), 112 deletions(-) diff --git a/pom.xml b/pom.xml index cf502209c..3a64c64b1 100644 --- a/pom.xml +++ b/pom.xml @@ -1088,6 +1088,6 @@ UTF-8 UTF-8 - 2022ggtz + 2023agtz diff --git a/src/main/java/org/joda/time/tz/src/africa b/src/main/java/org/joda/time/tz/src/africa index 985cea3a6..58b813a81 100644 --- a/src/main/java/org/joda/time/tz/src/africa +++ b/src/main/java/org/joda/time/tz/src/africa @@ -376,6 +376,14 @@ Rule Egypt 2007 only - Sep Thu>=1 24:00 0 - # From Mina Samuel (2016-07-04): # Egyptian government took the decision to cancel the DST, +# From Ahmad ElDardiry (2023-03-01): +# Egypt officially announced today that daylight savings will be +# applied from last Friday of April to last Thursday of October. +# From Paul Eggert (2023-03-01): +# Assume transitions are at 00:00 and 24:00 respectively. +# From Amir Adib (2023-03-07): +# https://www.facebook.com/EgyptianCabinet/posts/638829614954129/ + Rule Egypt 2008 only - Aug lastThu 24:00 0 - Rule Egypt 2009 only - Aug 20 24:00 0 - Rule Egypt 2010 only - Aug 10 24:00 0 - @@ -385,6 +393,8 @@ Rule Egypt 2014 only - May 15 24:00 1:00 S Rule Egypt 2014 only - Jun 26 24:00 0 - Rule Egypt 2014 only - Jul 31 24:00 1:00 S Rule Egypt 2014 only - Sep lastThu 24:00 0 - +Rule Egypt 2023 max - Apr lastFri 0:00 1:00 S +Rule Egypt 2023 max - Oct lastThu 24:00 0 - # Zone NAME STDOFF RULES FORMAT [UNTIL] #STDOFF 2:05:08.9 @@ -540,7 +550,7 @@ Zone Africa/Maseru 1:50:00 - LMT 1903 Mar # President William R. Tolbert, Jr., July 23, 1971-July 31, 1972. # Monrovia: Executive Mansion. # -# Use the abbreviation "MMT" before 1972, as the more-accurate numeric +# Use the abbreviation "MMT" before 1972, as the more accurate numeric # abbreviation "-004430" would be one byte over the POSIX limit. # # Zone NAME STDOFF RULES FORMAT [UNTIL] @@ -706,8 +716,8 @@ Zone Africa/Nouakchott -1:03:48 - LMT 1912 # DST the coming summer... # # Some sources, in French: -# http://www.defimedia.info/news/946/Rashid-Beebeejaun-:-%C2%AB-L%E2%80%99heure-d%E2%80%99%C3%A9t%C3%A9-ne-sera-pas-appliqu%C3%A9e-cette-ann%C3%A9e-%C2%BB -# http://lexpress.mu/Story/3398~Beebeejaun---Les-objectifs-d-%C3%A9conomie-d-%C3%A9nergie-de-l-heure-d-%C3%A9t%C3%A9-ont-%C3%A9t%C3%A9-atteints- +# http://www.defimedia.info/news/946/Rashid-Beebeejaun-:-«-L%E2%80%99heure-d%E2%80%99été-ne-sera-pas-appliquée-cette-année-» +# http://lexpress.mu/Story/3398~Beebeejaun---Les-objectifs-d-économie-d-énergie-de-l-heure-d-été-ont-été-atteints- # # Our wrap-up: # https://www.timeanddate.com/news/time/mauritius-dst-will-not-repeat.html @@ -845,7 +855,7 @@ Zone Indian/Mayotte 3:00:56 - LMT 1911 Jul # Mamoutzou # More articles in the press # https://www.yabiladi.com/articles/details/5058/secret-l-heure-d-ete-maroc-leve.html # http://www.lematin.ma/Actualite/Express/Article.asp?id=148923 -# http://www.lavieeco.com/actualite/Le-Maroc-passe-sur-GMT%2B1-a-partir-de-dim +# http://www.lavieeco.com/actualite/Le-Maroc-passe-sur-GMT+1-a-partir-de-dim # From Petr Machata (2011-03-30): # They have it written in English here: @@ -860,7 +870,7 @@ Zone Indian/Mayotte 3:00:56 - LMT 1911 Jul # Mamoutzou # According to Infomédiaire web site from Morocco (infomediaire.ma), # on March 9, 2012, (in French) Heure légale: # Le Maroc adopte officiellement l'heure d'été -# http://www.infomediaire.ma/news/maroc/heure-l%C3%A9gale-le-maroc-adopte-officiellement-lheure-d%C3%A9t%C3%A9 +# http://www.infomediaire.ma/news/maroc/heure-légale-le-maroc-adopte-officiellement-lheure-dété # Governing Council adopted draft decree, that Morocco DST starts on # the last Sunday of March (March 25, 2012) and ends on # last Sunday of September (September 30, 2012) @@ -984,19 +994,28 @@ Zone Indian/Mayotte 3:00:56 - LMT 1911 Jul # Mamoutzou # Friday or Saturday (and so the 2 days off are on a weekend), the next time # shift will be the next weekend. # -# From Paul Eggert (2020-05-31): +# From Milamber (2021-03-31, 2022-03-10): +# https://www.mmsp.gov.ma/fr/actualites.aspx?id=2076 +# https://www.ecoactu.ma/horaires-administration-ramadan-gmtheure-gmt-a-partir-de-dimanche-27-mars/ +# +# From Milamber (2023-03-14, 2023-03-15): +# The return to legal GMT time will take place this Sunday, March 19 at 3 a.m. +# ... the return to GMT+1 will be made on Sunday April 23, 2023 at 2 a.m. +# https://www.mmsp.gov.ma/fr/actualites/passage-à-l%E2%80%99heure-gmt-à-partir-du-dimanche-19-mars-2023 +# +# From Paul Eggert (2023-03-14): # For now, guess that in the future Morocco will fall back at 03:00 # the last Sunday before Ramadan, and spring forward at 02:00 the -# first Sunday after two days after Ramadan. To implement this, +# first Sunday after one day after Ramadan. To implement this, # transition dates and times for 2019 through 2087 were determined by -# running the following program under GNU Emacs 26.3. (This algorithm +# running the following program under GNU Emacs 28.2. (This algorithm # also produces the correct transition dates for 2016 through 2018, # though the times differ due to Morocco's time zone change in 2018.) # (let ((islamic-year 1440)) # (require 'cal-islam) # (while (< islamic-year 1511) # (let ((a (calendar-islamic-to-absolute (list 9 1 islamic-year))) -# (b (+ 2 (calendar-islamic-to-absolute (list 10 1 islamic-year)))) +# (b (+ 1 (calendar-islamic-to-absolute (list 10 1 islamic-year)))) # (sunday 0)) # (while (/= sunday (mod (setq a (1- a)) 7))) # (while (/= sunday (mod b 7)) @@ -1010,10 +1029,6 @@ Zone Indian/Mayotte 3:00:56 - LMT 1911 Jul # Mamoutzou # (car (cdr (cdr a))) (calendar-month-name (car a) t) (car (cdr a)) # (car (cdr (cdr b))) (calendar-month-name (car b) t) (car (cdr b))))) # (setq islamic-year (+ 1 islamic-year)))) -# -# From Milamber (2021-03-31, 2022-03-10), confirming these predictions: -# https://www.mmsp.gov.ma/fr/actualites.aspx?id=2076 -# https://www.ecoactu.ma/horaires-administration-ramadan-gmtheure-gmt-a-partir-de-dimanche-27-mars/ # Rule NAME FROM TO - IN ON AT SAVE LETTER/S Rule Morocco 1939 only - Sep 12 0:00 1:00 - @@ -1066,7 +1081,7 @@ Rule Morocco 2021 only - May 16 2:00 0 - Rule Morocco 2022 only - Mar 27 3:00 -1:00 - Rule Morocco 2022 only - May 8 2:00 0 - Rule Morocco 2023 only - Mar 19 3:00 -1:00 - -Rule Morocco 2023 only - Apr 30 2:00 0 - +Rule Morocco 2023 only - Apr 23 2:00 0 - Rule Morocco 2024 only - Mar 10 3:00 -1:00 - Rule Morocco 2024 only - Apr 14 2:00 0 - Rule Morocco 2025 only - Feb 23 3:00 -1:00 - @@ -1082,7 +1097,7 @@ Rule Morocco 2029 only - Feb 18 2:00 0 - Rule Morocco 2029 only - Dec 30 3:00 -1:00 - Rule Morocco 2030 only - Feb 10 2:00 0 - Rule Morocco 2030 only - Dec 22 3:00 -1:00 - -Rule Morocco 2031 only - Feb 2 2:00 0 - +Rule Morocco 2031 only - Jan 26 2:00 0 - Rule Morocco 2031 only - Dec 14 3:00 -1:00 - Rule Morocco 2032 only - Jan 18 2:00 0 - Rule Morocco 2032 only - Nov 28 3:00 -1:00 - @@ -1098,7 +1113,7 @@ 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 - Nov 7 2:00 0 - +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 - @@ -1114,7 +1129,7 @@ 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 12 2:00 0 - +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 - @@ -1130,7 +1145,7 @@ 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 17 2:00 0 - +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 - @@ -1146,7 +1161,7 @@ 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 19 2:00 0 - +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 - @@ -1162,7 +1177,7 @@ 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 24 2:00 0 - +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 - @@ -1178,7 +1193,7 @@ 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 29 2:00 0 - +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 - @@ -1188,13 +1203,13 @@ 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 - Jul 5 2:00 0 - +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 - Jun 3 2:00 0 - +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 - @@ -1327,15 +1342,15 @@ Zone Africa/Niamey 0:08:28 - LMT 1912 # From P Chan (2020-12-03): # GMT was adopted as the standard time of Lagos on 1905-07-01. # Lagos Weekly Record, 1905-06-24, p 3 -# http://ddsnext.crl.edu/titles/31558#?c=0&m=668&s=0&cv=2&r=0&xywh=1446%2C5221%2C1931%2C1235 +# http://ddsnext.crl.edu/titles/31558#?c=0&m=668&s=0&cv=2&r=0&xywh=1446,5221,1931,1235 # says "It is officially notified that on and after the 1st of July 1905 -# Greenwich Mean Solar Time will be adopted thought the Colony and +# Greenwich Mean Solar Time will be adopted throughout the Colony and # Protectorate, and that it will be necessary to put all clocks 13 minutes and # 35 seconds back, recording local mean time." # # It seemed that Lagos returned to LMT on 1908-07-01. # [The Lagos Standard], 1908-07-01, p 5 -# http://ddsnext.crl.edu/titles/31556#?c=0&m=78&s=0&cv=4&r=0&xywh=-92%2C3590%2C3944%2C2523 +# http://ddsnext.crl.edu/titles/31556#?c=0&m=78&s=0&cv=4&r=0&xywh=-92,3590,3944,2523 # says "Scarcely have the people become accustomed to this new time, when # another official notice has now appeared announcing that from and after the # 1st July next, return will be made to local mean time." @@ -1347,7 +1362,7 @@ Zone Africa/Niamey 0:08:28 - LMT 1912 # https://libsysdigi.library.illinois.edu/ilharvest/Africana/Books2011-05/3064634/3064634_1914/3064634_1914_opt.pdf#page=27 # "On January 1st [1914], a universal standard time for Nigeria was adopted, # viz., half an hour fast on Greenwich mean time, corresponding to the meridian -# 7 [degrees] 30' E. long." +# 7° 30' E. long." # Lloyd's Register of Shipping (1915) says "Hitherto the time observed in Lagos # was the local mean time. On 1st January, 1914, standard time for the whole of # Nigeria was introduced ... Lagos time has been advanced about 16 minutes @@ -1365,7 +1380,7 @@ Zone Africa/Niamey 0:08:28 - LMT 1912 # The Lagos Weekly Record, 1919-09-20, p 3 details discussion on the first # reading of this Bill by the Legislative Council of the Colony of Nigeria on # Thursday 1919-08-28: -# http://ddsnext.crl.edu/titles/31558?terms&item_id=303484#?m=1118&c=1&s=0&cv=2&r=0&xywh=1261%2C3408%2C2994%2C1915 +# http://ddsnext.crl.edu/titles/31558?terms&item_id=303484#?m=1118&c=1&s=0&cv=2&r=0&xywh=1261,3408,2994,1915 # "The proposal is that the Globe should be divided into twelve zones East and # West of Greenwich, of one hour each, Nigeria falling into the zone with a # standard of one hour fast on Greenwich Mean Time. Nigeria standard time is diff --git a/src/main/java/org/joda/time/tz/src/antarctica b/src/main/java/org/joda/time/tz/src/antarctica index f6810d32e..3b9af2407 100644 --- a/src/main/java/org/joda/time/tz/src/antarctica +++ b/src/main/java/org/joda/time/tz/src/antarctica @@ -307,7 +307,7 @@ Zone Antarctica/Rothera 0 - -00 1976 Dec 1 # but that he found it more convenient to keep GMT+12 # as supplies for the station were coming from McMurdo Sound, # which was on GMT+12 because New Zealand was on GMT+12 all year -# at that time (1957). (Source: Siple's book 90 Degrees South.) +# at that time (1957). (Source: Siple's book 90° South.) # # From Susan Smith # http://www.cybertours.com/whs/pole10.html diff --git a/src/main/java/org/joda/time/tz/src/asia b/src/main/java/org/joda/time/tz/src/asia index ce49ca9c5..850bea69c 100644 --- a/src/main/java/org/joda/time/tz/src/asia +++ b/src/main/java/org/joda/time/tz/src/asia @@ -3004,7 +3004,7 @@ Zone Asia/Muscat 3:54:24 - LMT 1920 # 9pm and moving clocks forward by one hour for the next three months. ...." # # http://www.worldtimezone.com/dst_news/dst_news_pakistan01.html -# http://www.dailytimes.com.pk/default.asp?page=2008%5C05%5C15%5Cstory_15-5-2008_pg1_4 +# http://www.dailytimes.com.pk/default.asp?page=2008\05\15\story_15-5-2008_pg1_4 # From Arthur David Olson (2008-05-19): # XXX--midnight transitions is a guess; 2008 only is a guess. @@ -3327,7 +3327,7 @@ Zone Asia/Karachi 4:28:12 - LMT 1907 # Some of many sources in Arabic: # http://www.samanews.com/index.php?act=Show&id=122638 # -# http://safa.ps/details/news/74352/%D8%A8%D8%AF%D8%A1-%D8%A7%D9%84%D8%AA%D9%88%D9%82%D9%8A%D8%AA-%D8%A7%D9%84%D8%B5%D9%8A%D9%81%D9%8A-%D8%A8%D8%A7%D9%84%D8%B6%D9%81%D8%A9-%D9%88%D8%BA%D8%B2%D8%A9-%D9%84%D9%8A%D9%84%D8%A9-%D8%A7%D9%84%D8%AC%D9%85%D8%B9%D8%A9.html +# http://safa.ps/details/news/74352/بدء-التوقيت-الصيفي-بالضفة-وغزة-ليلة-الجمعة.html # # Our brief summary: # https://www.timeanddate.com/news/time/gaza-west-bank-dst-2012.html @@ -3337,7 +3337,7 @@ Zone Asia/Karachi 4:28:12 - LMT 1907 # time from midnight on Friday, March 29, 2013" (translated). # [These are in Arabic and are for Gaza and for Ramallah, respectively.] # http://www.samanews.com/index.php?act=Show&id=154120 -# http://safa.ps/details/news/99844/%D8%B1%D8%A7%D9%85-%D8%A7%D9%84%D9%84%D9%87-%D8%A8%D8%AF%D8%A1-%D8%A7%D9%84%D8%AA%D9%88%D9%82%D9%8A%D8%AA-%D8%A7%D9%84%D8%B5%D9%8A%D9%81%D9%8A-29-%D8%A7%D9%84%D8%AC%D8%A7%D8%B1%D9%8A.html +# http://safa.ps/details/news/99844/رام-الله-بدء-التوقيت-الصيفي-29-الجاري.html # From Steffen Thorsen (2013-09-24): # The Gaza and West Bank are ending DST Thursday at midnight @@ -3435,9 +3435,41 @@ Zone Asia/Karachi 4:28:12 - LMT 1907 # (2022-08-31): ... the Saturday before the last Sunday in March and October # at 2:00 AM ,for the years from 2023 to 2026. # (2022-09-05): https://mtit.pna.ps/Site/New/1453 -# -# From Paul Eggert (2022-08-31): -# For now, assume that this rule will also be used after 2026. + +# From Heba Hamad (2023-03-22): +# ... summer time will begin in Palestine from Saturday 04-29-2023, +# 02:00 AM by 60 minutes forward. +# +# From Paul Eggert (2023-03-22): +# 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 +# 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, +# with the results integrated by hand into the table below. +# Predictions after 2086 are approximated without Ramadan. +# +# (let ((islamic-year 1444)) +# (require 'cal-islam) +# (while (< islamic-year 1510) +# (let ((a (calendar-islamic-to-absolute (list 9 1 islamic-year))) +# (b (+ 1 (calendar-islamic-to-absolute (list 10 1 islamic-year)))) +# (saturday 6)) +# (while (/= saturday (mod (setq a (1- a)) 7))) +# (while (/= saturday (mod b 7)) +# (setq b (1+ b))) +# (setq a (calendar-gregorian-from-absolute a)) +# (setq b (calendar-gregorian-from-absolute b)) +# (insert +# (format +# (concat "Rule Palestine\t%d\tonly\t-\t%s\t%2d\t2:00\t0\t-\n" +# "Rule Palestine\t%d\tonly\t-\t%s\t%2d\t2:00\t1:00\tS\n") +# (car (cdr (cdr a))) (calendar-month-name (car a) t) (car (cdr a)) +# (car (cdr (cdr b))) (calendar-month-name (car b) t) (car (cdr b))))) +# (setq islamic-year (+ 1 islamic-year)))) # Rule NAME FROM TO - IN ON AT SAVE LETTER/S Rule EgyptAsia 1957 only - May 10 0:00 1:00 S @@ -3477,8 +3509,86 @@ Rule Palestine 2020 2021 - Mar Sat<=30 0:00 1:00 S Rule Palestine 2020 only - Oct 24 1:00 0 - Rule Palestine 2021 only - Oct 29 1:00 0 - Rule Palestine 2022 only - Mar 27 0:00 1:00 S -Rule Palestine 2022 max - Oct Sat<=30 2:00 0 - -Rule Palestine 2023 max - Mar Sat<=30 2:00 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 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 2041 only - Aug 24 2:00 0 - +Rule Palestine 2041 only - Sep 28 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 2043 only - Aug 1 2:00 0 - +Rule Palestine 2043 only - Sep 12 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 2045 only - Jul 15 2:00 0 - +Rule Palestine 2045 only - Aug 19 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 2047 only - Jun 22 2:00 0 - +Rule Palestine 2047 only - Jul 27 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 2049 only - May 29 2:00 0 - +Rule Palestine 2049 only - Jul 3 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 2051 only - May 6 2:00 0 - +Rule Palestine 2051 only - Jun 17 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 2053 only - Apr 12 2:00 0 - +Rule Palestine 2053 only - May 24 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 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 2073 only - Sep 2 2:00 0 - +Rule Palestine 2073 only - Oct 7 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 2075 only - Aug 10 2:00 0 - +Rule Palestine 2075 only - Sep 14 2:00 1:00 S +Rule Palestine 2075 max - Oct Sat<=30 2:00 0 - +Rule Palestine 2076 only - Jul 25 2:00 0 - +Rule Palestine 2076 only - Sep 5 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 2078 only - Jul 9 2:00 0 - +Rule Palestine 2078 only - Aug 13 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 2080 only - Jun 15 2:00 0 - +Rule Palestine 2080 only - Jul 20 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 2082 only - May 23 2:00 0 - +Rule Palestine 2082 only - Jul 4 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 2084 only - Apr 29 2:00 0 - +Rule Palestine 2084 only - Jun 10 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 2086 only - Apr 13 2:00 0 - +Rule Palestine 2086 only - May 18 2:00 1:00 S # Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Asia/Gaza 2:17:52 - LMT 1900 Oct @@ -3679,7 +3789,7 @@ Zone Asia/Singapore 6:55:25 - LMT 1901 Jan 1 # standard time is SLST. # # From Paul Eggert (2016-10-18): -# "SLST" seems to be reasonably recent and rarely-used outside time +# "SLST" seems to be reasonably recent and rarely used outside time # zone nerd sources. I searched Google News and found three uses of # it in the International Business Times of India in February and # March of this year when discussing cricket match times, but nothing diff --git a/src/main/java/org/joda/time/tz/src/australasia b/src/main/java/org/joda/time/tz/src/australasia index 06520e593..86e911f59 100644 --- a/src/main/java/org/joda/time/tz/src/australasia +++ b/src/main/java/org/joda/time/tz/src/australasia @@ -333,7 +333,7 @@ Zone Indian/Cocos 6:27:40 - LMT 1900 # From Steffen Thorsen (2013-01-10): # Fiji will end DST on 2014-01-19 02:00: -# http://www.fiji.gov.fj/Media-Center/Press-Releases/DAYLIGHT-SAVINGS-TO-END-THIS-MONTH-%281%29.aspx +# http://www.fiji.gov.fj/Media-Center/Press-Releases/DAYLIGHT-SAVINGS-TO-END-THIS-MONTH-(1).aspx # From Ken Rylander (2014-10-20): # DST will start Nov. 2 this year. @@ -764,7 +764,7 @@ Zone Pacific/Pago_Pago 12:37:12 - LMT 1892 Jul 5 # # Samoa's Daylight Saving Time Act 2009 is available here, but does not # contain any dates: -# http://www.parliament.gov.ws/documents/acts/Daylight%20Saving%20Act%20%202009%20%28English%29%20-%20Final%207-7-091.pdf +# http://www.parliament.gov.ws/documents/acts/Daylight%20Saving%20Act%20%202009%20(English)%20-%20Final%207-7-091.pdf # From Laupue Raymond Hughes (2010-10-07): # Please see @@ -1870,7 +1870,7 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # period. It would probably be reasonable to assume Guam use GMT+9 during # that period of time like the surrounding area. -# From Paul Eggert (2018-11-18): +# From Paul Eggert (2023-01-23): # Howse writes (p 153) "The Spaniards, on the other hand, reached the # Philippines and the Ladrones from America," and implies that the Ladrones # (now called the Marianas) kept American date for quite some time. @@ -1883,7 +1883,7 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # they did as that avoids the need for a separate zone due to our 1970 cutoff. # # US Public Law 106-564 (2000-12-23) made UT +10 the official standard time, -# under the name "Chamorro Standard Time". There is no official abbreviation, +# under the name "Chamorro standard time". There is no official abbreviation, # but Congressman Robert A. Underwood, author of the bill that became law, # wrote in a press release (2000-12-27) that he will seek the use of "ChST". @@ -2261,24 +2261,18 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # an international standard, there are some places on the high seas where the # correct date is ambiguous. -# From Wikipedia (2005-08-31): -# Before 1920, all ships kept local apparent time on the high seas by setting -# their clocks at night or at the morning sight so that, given the ship's -# speed and direction, it would be 12 o'clock when the Sun crossed the ship's -# meridian (12 o'clock = local apparent noon). During 1917, at the -# Anglo-French Conference on Time-keeping at Sea, it was recommended that all -# ships, both military and civilian, should adopt hourly standard time zones -# on the high seas. Whenever a ship was within the territorial waters of any -# nation it would use that nation's standard time. The captain was permitted -# to change his ship's clocks at a time of his choice following his ship's -# entry into another zone time - he often chose midnight. These zones were -# adopted by all major fleets between 1920 and 1925 but not by many -# independent merchant ships until World War II. - -# From Paul Eggert, using references suggested by Oscar van Vlijmen -# (2005-03-20): -# -# The American Practical Navigator (2002) -# http://pollux.nss.nima.mil/pubs/pubs_j_apn_sections.html?rid=187 -# talks only about the 180-degree meridian with respect to ships in -# international waters; it ignores the international date line. +# From Wikipedia (2023-01-23): +# The nautical time zone system is analogous to the terrestrial time zone +# system for use on high seas. Under the system time changes are required for +# changes of longitude in one-hour steps. The one-hour step corresponds to a +# time zone width of 15° longitude. The 15° gore that is offset from GMT or +# UT1 (not UTC) by twelve hours is bisected by the nautical date line into two +# 7°30' gores that differ from GMT by ±12 hours. A nautical date line is +# implied but not explicitly drawn on time zone maps. It follows the 180th +# meridian except where it is interrupted by territorial waters adjacent to +# land, forming gaps: it is a pole-to-pole dashed line. + +# From Paul Eggert (2023-01-23): +# The American Practical Navigator , +# 2019 edition, merely says that the International Date Line +# "coincides with the 180th meridian over most of its length." diff --git a/src/main/java/org/joda/time/tz/src/backward b/src/main/java/org/joda/time/tz/src/backward index bb3e70686..12465358d 100644 --- a/src/main/java/org/joda/time/tz/src/backward +++ b/src/main/java/org/joda/time/tz/src/backward @@ -167,6 +167,7 @@ Link America/Argentina/Cordoba America/Rosario Link America/Tijuana America/Santa_Isabel Link America/Denver America/Shiprock Link America/Toronto America/Thunder_Bay +Link America/Edmonton America/Yellowknife Link Antarctica/McMurdo Antarctica/South_Pole Link Asia/Shanghai Asia/Chongqing Link Asia/Shanghai Asia/Harbin diff --git a/src/main/java/org/joda/time/tz/src/europe b/src/main/java/org/joda/time/tz/src/europe index bb66c1676..2a70eec24 100644 --- a/src/main/java/org/joda/time/tz/src/europe +++ b/src/main/java/org/joda/time/tz/src/europe @@ -540,9 +540,7 @@ Zone Europe/Isle_of_Man -0:17:55 - LMT 1883 Mar 30 0:00s # other form with a traditional approximation for Irish timestamps # after 1971-10-31 02:00 UTC; although this approximation has tm_isdst # flags that are reversed, its UTC offsets are correct and this often -# suffices. This source file currently uses only nonnegative SAVE -# values, but this is intended to change and downstream code should -# not rely on it. +# suffices.... # # The following is like GB-Eire and EU, except with standard time in # summer and negative daylight saving time in winter. It is for when @@ -1174,19 +1172,18 @@ Zone Atlantic/Faroe -0:27:04 - LMT 1908 Jan 11 # Tórshavn # # From Jürgen Appel (2022-11-25): # https://ina.gl/samlinger/oversigt-over-samlinger/samling/dagsordener/dagsorden.aspx?lang=da&day=24-11-2022 -# If I understand this correctly, from the next planned switch to -# summer time, Greenland will permanently stay at that time, i.e. no -# switch back to winter time in 2023 will occur. -# -# From Paul Eggert (2022-11-28): -# The official document in Danish -# https://naalakkersuisut.gl/-/media/naalakkersuisut/filer/kundgoerelser/2022/11/2511/31_da_inatsisartutlov-om-tidens-bestemmelse.pdf?la=da&hash=A33597D8A38CC7038465241119EF34F3 -# says standard time for Greenland is -02, that Naalakkersuisut can lay down -# rules for DST and can require some areas to use a different time zone, -# and that this all takes effect 2023-03-25 22:00. The abovementioned -# "bekymringer" URL says the intent is no transition March 25, that -# Greenland will not go back to winter time in fall 2023, and that -# only America/Nuuk is affected (though further changes may occur). +# +# From Thomas M. Steenholdt (2022-12-02): +# - The bill to move America/Nuuk from UTC-03 to UTC-02 passed. +# - The bill to stop observing DST did not (Greenland will stop observing DST +# when EU does). +# Details on the implementation are here (section 6): +# https://ina.gl/dvd/EM%202022/pdf/media/2553529/pkt17_em2022_tidens_bestemmelse_bem_da.pdf +# This is how the change will be implemented: +# 1. The shift *to* DST in 2023 happens as normal. +# 2. The shift *from* DST in 2023 happens as normal, but coincides with the +# shift to UTC-02 normaltime (people will not change their clocks here). +# 3. After this, DST is still observed, but as -02/-01 instead of -03/-02. # Rule NAME FROM TO - IN ON AT SAVE LETTER/S Rule Thule 1991 1992 - Mar lastSun 2:00 1:00 D @@ -1210,8 +1207,8 @@ Zone America/Scoresbysund -1:27:52 - LMT 1916 Jul 28 # Ittoqqortoormiit -1:00 EU -01/+00 Zone America/Nuuk -3:26:56 - LMT 1916 Jul 28 # Godthåb -3:00 - -03 1980 Apr 6 2:00 - -3:00 EU -03/-02 2023 Mar 25 22:00 - -2:00 - -02 + -3:00 EU -03/-02 2023 Oct 29 1:00u + -2:00 EU -02/-01 Zone America/Thule -4:35:08 - LMT 1916 Jul 28 # Pituffik -4:00 Thule A%sT @@ -1545,9 +1542,9 @@ Zone Europe/Paris 0:09:21 - LMT 1891 Mar 16 Rule Germany 1946 only - Apr 14 2:00s 1:00 S Rule Germany 1946 only - Oct 7 2:00s 0 - Rule Germany 1947 1949 - Oct Sun>=1 2:00s 0 - -# http://www.ptb.de/de/org/4/44/441/salt.htm says the following transition -# occurred at 3:00 MEZ, not the 2:00 MEZ given in Shanks & Pottenger. -# Go with the PTB. +# https://www.ptb.de/cms/en/ptb/fachabteilungen/abt4/fb-44/ag-441/realisation-of-legal-time-in-germany/dst-and-midsummer-dst-in-germany-until-1979.html +# says the following transition occurred at 3:00 MEZ, not the 2:00 MEZ +# given in Shanks & Pottenger. Go with the PTB. Rule Germany 1947 only - Apr 6 3:00s 1:00 S Rule Germany 1947 only - May 11 2:00s 2:00 M Rule Germany 1947 only - Jun 29 3:00 1:00 S @@ -2451,7 +2448,7 @@ Zone Europe/Bucharest 1:44:24 - LMT 1891 Oct # the State Duma has approved ... the draft bill on returning to # winter time standard and return Russia 11 time zones. The new # regulations will come into effect on October 26, 2014 at 02:00 ... -# http://asozd2.duma.gov.ru/main.nsf/%28Spravka%29?OpenAgent&RN=431985-6&02 +# http://asozd2.duma.gov.ru/main.nsf/(Spravka)?OpenAgent&RN=431985-6&02 # Here is a link where we put together table (based on approved Bill N # 431985-6) with proposed 11 Russian time zones and corresponding # areas/cities/administrative centers in the Russian Federation (in English): @@ -2861,13 +2858,13 @@ Zone Europe/Volgograd 2:57:40 - LMT 1920 Jan 3 3:00 - +03 1930 Jun 21 4:00 - +04 1961 Nov 11 4:00 Russia +04/+05 1988 Mar 27 2:00s - 3:00 Russia +03/+04 1991 Mar 31 2:00s + 3:00 Russia MSK/MSD 1991 Mar 31 2:00s 4:00 - +04 1992 Mar 29 2:00s - 3:00 Russia +03/+04 2011 Mar 27 2:00s - 4:00 - +04 2014 Oct 26 2:00s - 3:00 - +03 2018 Oct 28 2:00s + 3:00 Russia MSK/MSD 2011 Mar 27 2:00s + 4:00 - MSK 2014 Oct 26 2:00s + 3:00 - MSK 2018 Oct 28 2:00s 4:00 - +04 2020 Dec 27 2:00s - 3:00 - +03 + 3:00 - MSK # From Paul Eggert (2016-11-11): # Europe/Saratov covers: @@ -2898,11 +2895,11 @@ Zone Europe/Saratov 3:04:18 - LMT 1919 Jul 1 0:00u Zone Europe/Kirov 3:18:48 - LMT 1919 Jul 1 0:00u 3:00 - +03 1930 Jun 21 4:00 Russia +04/+05 1989 Mar 26 2:00s - 3:00 Russia +03/+04 1991 Mar 31 2:00s + 3:00 Russia MSK/MSD 1991 Mar 31 2:00s 4:00 - +04 1992 Mar 29 2:00s - 3:00 Russia +03/+04 2011 Mar 27 2:00s - 4:00 - +04 2014 Oct 26 2:00s - 3:00 - +03 + 3:00 Russia MSK/MSD 2011 Mar 27 2:00s + 4:00 - MSK 2014 Oct 26 2:00s + 3:00 - MSK # From Tim Parenti (2014-07-03), per Oscar van Vlijmen (2001-08-25): # Europe/Samara covers... diff --git a/src/main/java/org/joda/time/tz/src/northamerica b/src/main/java/org/joda/time/tz/src/northamerica index b5f0aac68..51c028faa 100644 --- a/src/main/java/org/joda/time/tz/src/northamerica +++ b/src/main/java/org/joda/time/tz/src/northamerica @@ -276,9 +276,10 @@ Zone PST8PDT -8:00 US P%sT # -10 Standard Alaska Time (AST) Alaska-Hawaii standard time (AHST) # -11 (unofficial) Nome (NST) Bering standard time (BST) # -# From Paul Eggert (2000-01-08), following a heads-up from Rives McDow: -# Public law 106-564 (2000-12-23) introduced ... "Chamorro Standard Time" +# From Paul Eggert (2023-01-23), from a 2001-01-08 heads-up from Rives McDow: +# Public law 106-564 (2000-12-23) introduced "Chamorro standard time" # for time in Guam and the Northern Marianas. See the file "australasia". +# Also see 15 U.S.C. §263 . # # From Paul Eggert (2015-04-17): # HST and HDT are standardized abbreviations for Hawaii-Aleutian @@ -595,7 +596,7 @@ Zone America/Los_Angeles -7:52:58 - LMT 1883 Nov 18 20:00u # local times of other Alaskan locations so that they change simultaneously. # From Paul Eggert (2014-07-18): -# One opinion of the early-1980s turmoil in Alaska over time zones and +# One opinion of the early 1980s turmoil in Alaska over time zones and # daylight saving time appeared as graffiti on a Juneau airport wall: # "Welcome to Juneau. Please turn your watch back to the 19th century." # See: Turner W. Alaska's four time zones now two. NY Times 1983-11-01. @@ -667,6 +668,10 @@ Zone America/Los_Angeles -7:52:58 - LMT 1883 Nov 18 20:00u # 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. +# From Paul Eggert (2023-01-23): +# America/Adak is for the Aleutian Islands that are part of Alaska +# and are west of 169.5° W. + # 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 @@ -2138,10 +2143,6 @@ Zone America/Creston -7:46:04 - LMT 1884 # Nunavut ... moved ... to incorporate the whole territory into one time zone. # Nunavut moves to single time zone Oct. 31 # http://www.nunatsiaq.com/nunavut/nvt90903_13.html -# -# From Antoine Leca (1999-09-06): -# We then need to create a new timezone for the Kitikmeot region of Nunavut -# to differentiate it from the Yellowknife region. # From Paul Eggert (1999-09-20): # Basic Facts: The New Territory @@ -2335,9 +2336,6 @@ Zone America/Cambridge_Bay 0 - -00 1920 # trading post est.? -5:00 - EST 2000 Nov 5 0:00 -6:00 - CST 2001 Apr 1 3:00 -7:00 Canada M%sT -Zone America/Yellowknife 0 - -00 1935 # Yellowknife founded? - -7:00 NT_YK M%sT 1980 - -7:00 Canada M%sT Zone America/Inuvik 0 - -00 1953 # Inuvik founded -8:00 NT_YK P%sT 1979 Apr lastSun 2:00 -7:00 NT_YK M%sT 1980 @@ -2574,7 +2572,7 @@ Zone America/Dawson -9:17:40 - LMT 1900 Aug 20 # and in addition changes all of Chihuahua to -06 with no DST. # From Heitor David Pinto (2022-11-28): -# Now the northern municipalities want to have the same time zone as the +# Now the northern [municipios] want to have the same time zone as the # respective neighboring cities in the US, for example Juárez in UTC-7 with # DST, matching El Paso, and Ojinaga in UTC-6 with DST, matching Presidio.... # the president authorized the publication of the decree for November 29, @@ -2611,7 +2609,7 @@ Zone America/Merida -5:58:28 - LMT 1922 Jan 1 6:00u -5:00 - EST 1982 Dec 2 -6:00 Mexico C%sT # Coahuila, Nuevo León, Tamaulipas (near US border) -# This includes the following municipalities: +# This includes the following municipios: # in Coahuila: Acuña, Allende, Guerrero, Hidalgo, Jiménez, Morelos, Nava, # Ocampo, Piedras Negras, Villa Unión, Zaragoza # in Nuevo León: Anáhuac @@ -2637,8 +2635,8 @@ Zone America/Mexico_City -6:36:36 - LMT 1922 Jan 1 7:00u -6:00 - CST 2002 Feb 20 -6:00 Mexico C%sT # Chihuahua (near US border - western side) -# This includes the municipalities of Janos, Ascensión, Juárez, Guadalupe, -# and Práxedis G Guerrero. +# 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 Zone America/Ciudad_Juarez -7:05:56 - LMT 1922 Jan 1 7:00u -7:00 - MST 1927 Jun 10 23:00 @@ -2652,7 +2650,8 @@ Zone America/Ciudad_Juarez -7:05:56 - LMT 1922 Jan 1 7:00u -6:00 - CST 2022 Nov 30 0:00 -7:00 US M%sT # Chihuahua (near US border - eastern side) -# The municipalities of Coyame del Sotol, Ojinaga, and Manuel Benavides. +# This includes the municipios of Coyame del Sotol, Ojinaga, and Manuel +# Benavides. # http://gaceta.diputados.gob.mx/PDF/65/2a022/nov/20221124-VII.pdf Zone America/Ojinaga -6:57:40 - LMT 1922 Jan 1 7:00u -7:00 - MST 1927 Jun 10 23:00 @@ -3108,7 +3107,7 @@ Zone America/Costa_Rica -5:36:13 - LMT 1890 # San José # # He supplied these references: # -# http://www.prensalatina.com.mx/article.asp?ID=%7B4CC32C1B-A9F7-42FB-8A07-8631AFC923AF%7D&language=ES +# http://www.prensalatina.com.mx/article.asp?ID={4CC32C1B-A9F7-42FB-8A07-8631AFC923AF}&language=ES # http://actualidad.terra.es/sociedad/articulo/cuba_llama_ahorrar_energia_cambio_1957044.htm # # From Alex Krivenyshev (2007-10-25): diff --git a/src/main/java/org/joda/time/tz/src/southamerica b/src/main/java/org/joda/time/tz/src/southamerica index 1013e4b2f..d8c9aa6fd 100644 --- a/src/main/java/org/joda/time/tz/src/southamerica +++ b/src/main/java/org/joda/time/tz/src/southamerica @@ -208,7 +208,7 @@ Rule Arg 2008 only - Oct Sun>=15 0:00 1:00 - # Hora de verano para la República Argentina # http://buenasiembra.com.ar/esoterismo/astrologia/hora-de-verano-de-la-republica-argentina-27.html # says that standard time in Argentina from 1894-10-31 -# to 1920-05-01 was -4:16:48.25. Go with this more-precise value +# to 1920-05-01 was -4:16:48.25. Go with this more precise value # over Shanks & Pottenger. It is upward compatible with Milne, who # says Córdoba time was -4:16:48.2.