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author | Philip Paeps <philip@FreeBSD.org> | 2020-12-25 15:16:38 +0000 |
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committer | Ed Maste <emaste@FreeBSD.org> | 2021-01-29 00:06:23 +0000 |
commit | e342ffe13e6b36afb98ce7c53f6ce2047d4da715 (patch) | |
tree | 1927db1d02c45c90fb053faeea94e924bfbb2c23 /contrib/tzdata/northamerica | |
parent | 4adbf1f6686ffdc4c0555a018e14ec63b5981534 (diff) | |
download | src-e342ffe13e6b36afb98ce7c53f6ce2047d4da715.tar.gz src-e342ffe13e6b36afb98ce7c53f6ce2047d4da715.zip |
Diffstat (limited to 'contrib/tzdata/northamerica')
-rw-r--r-- | contrib/tzdata/northamerica | 202 |
1 files changed, 189 insertions, 13 deletions
diff --git a/contrib/tzdata/northamerica b/contrib/tzdata/northamerica index 675c648ec050..ddc575976e59 100644 --- a/contrib/tzdata/northamerica +++ b/contrib/tzdata/northamerica @@ -2234,7 +2234,7 @@ Zone America/Creston -7:46:04 - LMT 1884 # to say eight hours behind Greenwich Time. # # * O.I.C. 1980/02 INTERPRETATION ACT -# [no online source found] +# https://mm.icann.org/pipermail/tz/attachments/20201125/d5adc93b/CAYTOIC1980-02DST1980-01-04-0001.pdf # # * Yukon Daylight Saving Time, YOIC 1987/56 # https://www.canlii.org/en/yk/laws/regu/yoic-1987-56/latest/yoic-1987-56.html @@ -2935,12 +2935,38 @@ Zone America/Tijuana -7:48:04 - LMT 1922 Jan 1 0:11:56 # # For 1899 Milne gives -5:09:29.5; round that. # +# From P Chan (2020-11-27, corrected on 2020-12-02): +# There were two periods of DST observed in 1942-1945: 1942-05-01 +# midnight to 1944-12-31 midnight and 1945-02-01 to 1945-10-17 midnight. +# "midnight" should mean 24:00 from the context. +# +# War Time Order 1942 [1942-05-01] and War Time (No. 2) Order 1942 [1942-09-29] +# Appendix to the Statutes of 7 George VI. and the Year 1942. p 34, 43 +# https://books.google.com/books?id=5rlNAQAAIAAJ&pg=RA3-PA34 +# https://books.google.com/books?id=5rlNAQAAIAAJ&pg=RA3-PA43 +# +# War Time Order 1943 [1943-03-31] and War Time Order 1944 [1943-12-29] +# Appendix to the Statutes of 8 George VI. and the Year 1943. p 9-10, 28-29 +# https://books.google.com/books?id=5rlNAQAAIAAJ&pg=RA4-PA9 +# https://books.google.com/books?id=5rlNAQAAIAAJ&pg=RA4-PA28 +# +# War Time Order 1945 [1945-01-31] and the Order which revoke War Time Order +# 1945 [1945-10-16] Appendix to the Statutes of 9 George VI. and the Year +# 1945. p 160, 247-248 +# https://books.google.com/books?id=5rlNAQAAIAAJ&pg=RA6-PA160 +# https://books.google.com/books?id=5rlNAQAAIAAJ&pg=RA6-PA247 +# # From Sue Williams (2006-12-07): # The Bahamas announced about a month ago that they plan to change their DST # rules to sync with the U.S. starting in 2007.... # http://www.jonesbahamas.com/?c=45&a=10412 # Rule NAME FROM TO - IN ON AT SAVE LETTER/S +Rule Bahamas 1942 only - May 1 24:00 1:00 W +Rule Bahamas 1944 only - Dec 31 24:00 0 S +Rule Bahamas 1945 only - Feb 1 0:00 1:00 W +Rule Bahamas 1945 only - Aug 14 23:00u 1:00 P # Peace +Rule Bahamas 1945 only - Oct 17 24:00 0 S Rule Bahamas 1964 1975 - Oct lastSun 2:00 0 S Rule Bahamas 1964 1975 - Apr lastSun 2:00 1:00 D # Zone NAME STDOFF RULES FORMAT [UNTIL] @@ -2964,34 +2990,161 @@ Zone America/Barbados -3:58:29 - LMT 1924 # Bridgetown -4:00 Barb A%sT # Belize -# Whitman entirely disagrees with Shanks; go with Shanks & Pottenger. + +# From P Chan (2020-11-03): +# Below are some laws related to the time in British Honduras/Belize: +# +# Definition of Time Ordinance, 1927 (No.4 of 1927) [1927-04-01] +# Ordinances of British Honduras Passed in the Year 1927, p 19-20 +# https://books.google.com/books?id=LqEpAQAAMAAJ&pg=RA3-PA19 +# +# Definition of Time (Amendment) Ordinance, 1942 (No. 5 of 1942) [1942-06-27] +# Ordinances of British Honduras Passed in the Year 1942, p 31-32 +# https://books.google.com/books?id=h6MpAQAAMAAJ&pg=RA6-PA95-IA44 +# +# Definition of Time Ordinance, 1945 (No. 19 of 1945) [1945-12-15] +# Ordinances of British Honduras Passed in the Year 1945, p 49-50 +# https://books.google.com/books?id=xaMpAQAAMAAJ&pg=RA2-PP1 +# +# Definition of Time Ordinance, 1947 (No. 1 of 1947) [1947-03-11] +# Ordinances of British Honduras Passed in the Year 1947, p 1-2 +# https://books.google.com/books?id=xaMpAQAAMAAJ&pg=RA3-PA1 +# +# Time (Definition of) Ordinance (Chapter 180) +# The Laws of British Honduras in Force on the 15th Day of September, 1958 , Volume IV, p 2580 +# https://books.google.com/books?id=v5QpAQAAMAAJ&pg=PA2580 +# +# Time (Definition of) (Amendment) Ordinance, 1968 (No. 13 of 1968) [1968-08-03] +# https://books.google.com/books?id=xij7KEB_58wC&pg=RA1-PA428-IA9 +# +# Definition of Time Act (Chapter 339) +# Law of Belize, Revised Edition 2000 +# http://www.belizelaw.org/web/lawadmin/PDF%20files/cap339.pdf + +# From Paul Eggert (2020-11-03): +# The transitions below are derived from P Chan's sources, except that the +# 1973 through 1983 transitions are from Shanks & Pottenger since we have +# no better data there. + # Rule NAME FROM TO - IN ON AT SAVE LETTER/S -Rule Belize 1918 1942 - Oct Sun>=2 0:00 0:30 -0530 -Rule Belize 1919 1943 - Feb Sun>=9 0:00 0 CST +Rule Belize 1918 1941 - Oct Sat>=1 24:00 0:30 -0530 +Rule Belize 1919 1942 - Feb Sat>=8 24:00 0 CST +Rule Belize 1942 only - Jun 27 24:00 1:00 CWT +Rule Belize 1945 only - Aug 14 23:00u 1:00 CPT +Rule Belize 1945 only - Dec 15 24:00 0 CST +Rule Belize 1947 1967 - Oct Sat>=1 24:00 0:30 -0530 +Rule Belize 1948 1968 - Feb Sat>=8 24:00 0 CST Rule Belize 1973 only - Dec 5 0:00 1:00 CDT Rule Belize 1974 only - Feb 9 0:00 0 CST Rule Belize 1982 only - Dec 18 0:00 1:00 CDT Rule Belize 1983 only - Feb 12 0:00 0 CST # Zone NAME STDOFF RULES FORMAT [UNTIL] -Zone America/Belize -5:52:48 - LMT 1912 Apr +Zone America/Belize -5:52:48 - LMT 1912 Apr 1 -6:00 Belize %s # Bermuda +# From Paul Eggert (2020-11-24): # For 1899 Milne gives -4:19:18.3 as the meridian of the clock tower, -# Bermuda dockyard, Ireland I; round that. +# Bermuda dockyard, Ireland I. This agrees with standard offset given in the +# Daylight Saving Act, 1917 cited below. Round that to the nearest second. +# It is not known when this time became standard for Bermuda; guess 1890. +# The transition to -04 was specified by: +# 1930: The Time Zone Act, 1929 (1929: No. 39) [1929-11-08] +# https://books.google.com/books?id=7tdMAQAAIAAJ&pg=RA54-PP1 + +# From P Chan (2020-11-20): +# Most of the information can be found online from the Bermuda National +# Library - Digital Collection which includes The Royal Gazette (RG) until 1957 +# https://bnl.contentdm.oclc.org/digital/ +# I will cite the ID. For example, [10000] means +# https://bnl.contentdm.oclc.org/digital/collection/BermudaNP02/id/10000 +# +# 1917: Apr 5 midnight to Sep 30 midnight +# Daylight Saving Act, 1917 (1917 No. 13) [1917-04-02] +# Bermuda Acts and Resolves 1917, p 37-38 +# https://books.google.com/books?id=M-lCAQAAMAAJ&pg=PA36-IA2 +# RG, 1917-04-04, p 6 [42340] gives the spring forward date. +# +# 1918: Apr 13 midnight to Sep 15 midnight +# Daylight Saving Act, 1918 (1918 No. 9) [1918-04-06] +# Bermuda Acts and Resolves 1917, p 13 +# https://books.google.com/books?id=K-lCAQAAMAAJ&pg=RA1-PA7 +# +# Note that local mean time was still used before 1930. +# +# During WWII, DST was introduced by Defence Regulations +# 1942: Jan 11 02:00 to Oct 18 02:00 [113646], [115726] +# 1943: Mar 21 02:00 to Oct 31 02:00 [116704], [118193] +# 1944: Mar 12 02:00 to Nov 5 02:00 [119225], [121593] +# 1945: Mar 11 02:00 to Nov 4 02:00 [122369], [124461] +# RG, 1942-01-08, p 2, 1942-10-12, p 2 , 1943-03-06, p 2, 1943-09-03, p 1, +# 1944-02-29, p 6, 1944-09-20, p 2, 1945-02-13, p 2, 1945-11-03, p 1 +# +# In 1946, the House of Assembly rejected DST twice. [128686], [128076] +# RG, 1946-03-16 p 1,1946-04-13 p 1 +# +# 1947: third Sunday in May 02:00 to second Sunday in September 02:00 +# DST in 1947 was defined in the Daylight Saving Act, 1947 (1947: No. 12) +# which expired at the end of the year. [125784] ,[132405], [144454], [138226] +# RG, 1947-02-27, p 1, 1947-05-15, p 1, 1947-09-13, p 1, 1947-12-30, p 1 +# +# 1948-1952: fourth Sunday in May 02:00 to first Sunday in September 02:00 +# DST in 1948 was defined in the Daylight Saving Act, 1948 (1948 : No. 12) +# which was set to expired at the end of the year but it was extended until +# the end of 1952 and was not further extended. +# [129802], [139403], [146008], [135240], [144330], [139049], [143309], +# [148271], [149773], [153589], [153802], [155924] +# RG, 1948-04-13, p 1, 1948-05-22, p 1, 1948-09-04, p 1, 1949-05-21, p1, +# 1949-09-03, p 1, 1950-05-27 p 1, 1950-09-02, p 1, 1951-05-27, p 1, +# 1951-09-01, p 1, 1952-05-23, p 1, 1952-09-26, p 1, 1952-12-21, p 8 +# +# In 1953-1955, the House of Assembly rejected DST each year. [158996], +# [162620], [166720] RG, 1953-05-02, p 1, 1954-04-01 p 1, 1955-03-12, p 1 +# +# 1956: fourth Sunday in May 02:00 to last Sunday in October 02:00 +# Time Zone (Seasonal Variation) Act, 1956 (1956: No.44) [1956-05-25] +# Bermuda Public Acts 1956, p 331-332 +# https://books.google.com/books?id=Xs1AlmD_cEwC&pg=PA63 +# +# The extension of the Act was rejected by the House of Assembly. [176218] +# RG, 1956-12-13, p 1 +# +# From the Chronological Table of Public and Private Acts up to 1985, it seems +# that there does not exist other Acts related to DST before 1973. +# https://books.google.com/books?id=r9hMAQAAIAAJ&pg=RA23-PA1 +# Public Acts of the Legislature of the Islands of Bermuda, Together with +# Statutory Instruments in Force Thereunder, Vol VII # From Dan Jones, reporting in The Royal Gazette (2006-06-26): - # Next year, however, clocks in the US will go forward on the second Sunday # in March, until the first Sunday in November. And, after the Time Zone # (Seasonal Variation) Bill 2006 was passed in the House of Assembly on # Friday, the same thing will happen in Bermuda. # http://www.theroyalgazette.com/apps/pbcs.dll/article?AID=/20060529/NEWS/105290135 +# Rule NAME FROM TO - IN ON AT SAVE LETTER/S +Rule Bermuda 1917 only - Apr 5 24:00 1:00 - +Rule Bermuda 1917 only - Sep 30 24:00 0 - +Rule Bermuda 1918 only - Apr 13 24:00 1:00 - +Rule Bermuda 1918 only - Sep 15 24:00 0 S +Rule Bermuda 1942 only - Jan 11 2:00 1:00 D +Rule Bermuda 1942 only - Oct 18 2:00 0 S +Rule Bermuda 1943 only - Mar 21 2:00 1:00 D +Rule Bermuda 1943 only - Oct 31 2:00 0 S +Rule Bermuda 1944 1945 - Mar Sun>=8 2:00 1:00 D +Rule Bermuda 1944 1945 - Nov Sun>=1 2:00 0 S +Rule Bermuda 1947 only - May Sun>=15 2:00 1:00 D +Rule Bermuda 1947 only - Sep Sun>=8 2:00 0 S +Rule Bermuda 1948 1952 - May Sun>=22 2:00 1:00 D +Rule Bermuda 1948 1952 - Sep Sun>=1 2:00 0 S +Rule Bermuda 1956 only - May Sun>=22 2:00 1:00 D +Rule Bermuda 1956 only - Oct lastSun 2:00 0 S + # Zone NAME STDOFF RULES FORMAT [UNTIL] -Zone Atlantic/Bermuda -4:19:18 - LMT 1930 Jan 1 2:00 # Hamilton - -4:00 - AST 1974 Apr 28 2:00 +Zone Atlantic/Bermuda -4:19:18 - LMT 1890 # Hamilton + -4:19:18 Bermuda BMT/BST 1930 Jan 1 2:00 + -4:00 Bermuda A%sT 1974 Apr 28 2:00 -4:00 Canada A%sT 1976 -4:00 US A%sT @@ -3574,7 +3727,7 @@ Zone America/Miquelon -3:44:40 - LMT 1911 May 15 # St Pierre # "Eastern Standard Times Begins 2007 # Clocks are set back one hour at 2:00 a.m. local Daylight Saving Time" # indicating that the normal ET rules are followed. -# + # From Paul Eggert (2014-08-19): # The 2014-08-13 Cabinet meeting decided to stay on UT -04 year-round. See: # http://tcweeklynews.com/daylight-savings-time-to-be-maintained-p5353-127.htm @@ -3589,19 +3742,42 @@ Zone America/Miquelon -3:44:40 - LMT 1911 May 15 # St Pierre # during the summer months and Standard Time, also known as Local # Time, during the winter months with effect from April 2018 ... # https://www.gov.uk/government/news/turks-and-caicos-post-cabinet-meeting-statement--3 -# # From Paul Eggert (2017-08-26): # The date of effect of the spring 2018 change appears to be March 11, # which makes more sense. See: Hamilton D. Time change back # by March 2018 for TCI. Magnetic Media. 2017-08-25. # http://magneticmediatv.com/2017/08/time-change-back-by-march-2018-for-tci/ # +# From P Chan (2020-11-27): +# Standard Time Declaration Order 2015 (L.N. 15/2015) +# http://online.fliphtml5.com/fizd/czin/#p=2 +# +# Standard Time Declaration Order 2017 (L.N. 31/2017) +# http://online.fliphtml5.com/fizd/dmcu/#p=2 +# +# From Tim Parenti (2020-12-05): +# Although L.N. 31/2017 reads that it "shall come into operation at 2:00 a.m. +# on 11th March 2018", a precise interpretation here poses some problems. The +# order states that "the standard time to be observed throughout the Turks and +# Caicos Islands shall be the same time zone as the Eastern United States of +# America" and further clarifies "[f]or the avoidance of doubt" that it +# "applies to the Eastern Standard Time as well as any changes thereto for +# Daylight Saving Time." However, as clocks in Turks and Caicos approached +# 02:00 -04, and thus the declared implementation time, it was still 01:00 EST +# (-05), as DST in the Eastern US would not start until an hour later. +# +# Since it is unlikely that those on the islands switched their clocks twice in +# the span of an hour, we assume instead that the adoption of EDT actually took +# effect once clocks in the Eastern US had sprung forward, from 03:00 -04. +# This discrepancy only affects the time zone abbreviation and DST flag for the +# intervening hour, not wall clock times, as -04 was maintained throughout. + # Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Grand_Turk -4:44:32 - LMT 1890 -5:07:10 - KMT 1912 Feb # Kingston Mean Time -5:00 - EST 1979 - -5:00 US E%sT 2015 Nov Sun>=1 2:00 - -4:00 - AST 2018 Mar 11 3:00 + -5:00 US E%sT 2015 Mar 8 2:00 + -4:00 - AST 2018 Mar 11 3:00 -5:00 US E%sT # British Virgin Is |