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Diffstat (limited to 'share/zoneinfo/northamerica')
| -rw-r--r-- | share/zoneinfo/northamerica | 337 |
1 files changed, 209 insertions, 128 deletions
diff --git a/share/zoneinfo/northamerica b/share/zoneinfo/northamerica index d1427900ddc1..57719816f9bb 100644 --- a/share/zoneinfo/northamerica +++ b/share/zoneinfo/northamerica @@ -1,4 +1,4 @@ -# @(#)northamerica 7.22 +# @(#)northamerica 7.26 # also includes Central America and the Caribbean # This data is by no means authoritative; if you think you know better, @@ -21,6 +21,24 @@ # Make sure you have the errata sheet; the book is somewhat useless without it. # It is the source for the US and Puerto Rico entries below. +# From Paul Eggert (1996-06-12): +# Daylight Saving Time was first suggested as a joke by Benjamin Franklin +# in his whimsical essay ``Turkey vs Eagle, McCauley is my Beagle'' (1784). +# Not everyone is happy with the results: +# +# I don't really care how time is reckoned so long as there is some +# agreement about it, but I object to being told that I am saving +# daylight when my reason tells me that I am doing nothing of the kind. +# I even object to the implication that I am wasting something +# valuable if I stay in bed after the sun has risen. As an admirer +# of moonlight I resent the bossy insistence of those who want to +# reduce my time for enjoying it. At the back of the Daylight Saving +# scheme I detect the bony, blue-fingered hand of Puritanism, eager +# to push people into bed earlier, and get them up earlier, to make +# them healthy, wealthy and wise in spite of themselves. +# +# -- Robertson Davies, The Diary of Samuel Marchbanks (1947), XIX, Sunday + # From Arthur David Olson: # US Daylight Saving Time ended on the last Sunday of *October* in 1974. # See, for example, the front page of the Saturday, October 26, 1974 @@ -160,11 +178,11 @@ Rule Denver 1965 1966 - Apr lastSun 2:00 1:00 D Rule Denver 1965 1966 - Oct lastSun 2:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Denver -6:59:56 - LMT 1883 Nov 18 12:00 - -7:00 US E%sT 1920 - -7:00 Denver E%sT 1942 - -7:00 US E%sT 1946 - -7:00 Denver E%sT 1967 - -7:00 US E%sT + -7:00 US M%sT 1920 + -7:00 Denver M%sT 1942 + -7:00 US M%sT 1946 + -7:00 Denver M%sT 1967 + -7:00 US M%sT # US Pacific time, represented by Los Angeles # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER @@ -461,82 +479,8 @@ Link Pacific/Honolulu HST # # See the `africa' file for Zone naming conventions. - - # Canada -# Canada is reportedly lots easier than the US--leastways since 1951. -# I don't know what they did before then. -# 4.3BSD claims that it's perfectly regular. -# According to a posting in "comp.bugs.misc", "comp.unix.wizards", etc. -# on February 8, 1987, by Dave Sherman of the Law Society of Upper Canada, -# "...Canada (well, Ontario and at least some of the other provinces) are -# adopting the new daylight savings time rules...". We assume all of -# Canada is doing so. - -# From Bob Devine (January 28, 1988): -# All of Canada did have DST from your first rule except Saskatchewan. -# Which parts did not observe DST is hard to pinpoint but most of the -# province follows the rules. -# NOTE: those that didn't have DST for that rule, also -# probably did not have it for several years previous. - -# From U. S. Naval Observatory (January 19, 1989): -# CANADA NEW FDL 3.5H BEHIND UTC ST.JOHN'S -# CANADA NEW FDL 1.5H BEHIND UTC APR 3 - OCT 29 -# CANADA ATLANTIC 4 H BEHIND UTC HALIFAX -# CANADA ATLANTIC 3 H BEHIND UTC APR 3 - OCT 29 -# CANADA EASTERN 5 H BEHIND UTC TORONTO, MONTREAL, OTTAWA -# CANADA EASTERN 4 H BEHIND UTC APR 3 - OCT 29 -# CANADA CENTRAL 6 H BEHIND UTC REGINA, WINNIPEG -# CANADA CENTRAL 5 H BEHIND UTC APR 3 - OCT 29 -# CANADA MOUNTAIN 7 H BEHIND UTC CALGARY, EDMONTON -# CANADA MOUNTAIN 6 H BEHIND UTC APR 3 - OCT 29 -# CANADA PACIFIC 8 H BEHIND UTC VANCOUVER -# CANADA PACIFIC 7 H BEHIND UTC APR 3 - OCT 29 -# CANADA YUKON SAME AS PACIFIC DAWSON - -# From Arthur David Olson (January 21, 1989): -# April 3 fell on a Sunday in 1988; October 29 fell on a Sunday in 1989. Ahem. -# Note claim that there's double DST in Newfoundland and that Yukon should -# be same as Pacific. - -# From W. Jones (jones@skdad.usask.ca) (November 6, 1992): -# The. . .below is based on information I got from our law library, the -# provincial archives, and the provincial Community Services department. -# A precise history would require digging through newspaper archives, and -# since you didn't say what you wanted, I didn't bother. -# -# Saskatchewan is split by a time zone meridian (105W) and over the years -# the boundary became pretty ragged as communities near it reevaluated -# their affiliations in one direction or the other. In 1965 a provincial -# referendum favoured legislating common time practices. -# -# On 15 April 1966 the Time Act (c. T-14, Revised Statutes of -# Saskatchewan 1978) was proclaimed, and established that the eastern -# part of Saskatchewan would use CST year round, that districts in -# northwest Saskatchewan would by default follow CST but could opt to -# follow Mountain Time rules (thus 1 hour difference in the winter and -# zero in the summer), and that districts in southwest Saskatchewan would -# by default follow MT but could opt to follow CST. -# -# It took a few years for the dust to settle (I know one story of a town -# on one time zone having its school in another, such that a mom had to -# serve her family lunch in two shifts), but presently it seems that only -# a few towns on the border with Alberta (e.g. Lloydminster) follow MT -# rules any more; all other districts appear to have used CST year round -# since sometime in the 1960s. -# -# Here's how I would summarize things. Establish a "Saskatchewan" CST -# time zone, and note that it officially exists as of 15 April 1966. Any -# current exceptions can put themselves in the "Mountain" zone, since -# those are the rules they follow. Any past exceptions can be forgotten, -# since that's what those who live here have done. - -# From Arthur David Olson (November 21, 1992): -# East-Saskatchewan kept to avoid problems for folks using that zone by name; -# plain Saskatchewan added. - # From Alain LaBont<e'> <ALB@immedia.ca> (1994-11-14): # I post here the time zone abbreviations standardized in Canada # for both English and French in the CAN/CSA-Z234.4-89 standard.... @@ -569,11 +513,22 @@ Link Pacific/Honolulu HST # From Paul Eggert <eggert@twinsun.com> (1994-11-22): # Alas, this sort of thing must be handled by localization software. +# The data for Canada are all from Shanks (1991). -# From Shanks (1991): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule StJohns 1884 only - Jan 1 0:00 0 S +Rule Canada 1918 only - Apr 14 2:00 1:00 D +Rule Canada 1918 only - Oct 31 2:00 0 S +Rule Canada 1942 only - Feb 9 2:00 1:00 D +Rule Canada 1945 only - Sep 30 2:00 0 S +Rule Canada 1974 1986 - Apr lastSun 2:00 1:00 D +Rule Canada 1974 max - Oct lastSun 2:00 0 S +Rule Canada 1987 max - Apr Sun>=1 2:00 1:00 D + + +# Newfoundland + +# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule StJohns 1917 1918 - Apr Sun>=8 2:00 1:00 D Rule StJohns 1917 only - Sep 17 2:00 0 S Rule StJohns 1918 only - Oct 31 2:00 0 S @@ -611,8 +566,17 @@ Zone America/St_Johns -3:30:52 - LMT 1884 -3:31 StJohns N%sT 1935 Mar 30 -3:30 StJohns N%sT + +# Labrador, New Brunswick, Nova Scotia, Prince Edward I + +# From Paul Eggert (1996-06-12): +# Shanks writes that since 1970 most of this region has been like Halifax. +# Many locales did not observe peacetime DST until 1972; +# Glace Bay, NS is the largest that we know of. +# Shanks also writes that Liverpool, NS was the only town in Canada to observe +# DST in 1971 but not 1970; for now we'll assume this is a typo. + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Halifax 1902 only - Jun 15 0:00 0 S Rule Halifax 1916 only - Apr 1 0:00 1:00 D Rule Halifax 1916 only - Oct 1 0:00 0 S Rule Halifax 1918 only - Apr 14 2:00 1:00 D @@ -656,9 +620,23 @@ Rule Halifax 1987 max - Apr Sun>=1 2:00 1:00 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Halifax -4:14:24 - LMT 1902 Jun 15 -4:00 Halifax A%sT +Zone America/Glace_Bay -3:59:48 - LMT 1902 Jun 15 + -4:00 Canada A%sT 1953 + -4:00 Halifax A%sT 1954 + -4:00 - AST 1972 + -4:00 Halifax A%sT + + +# Ontario, Quebec + +# From Paul Eggert (1996-06-12): +# Shanks writes that since 1970 most of this region has been like Montreal. +# Thunder Bay skipped DST in 1973. +# Many smaller locales did not observe peacetime DST until 1974; +# Nipigon (EST) and Rainy River (CST) are the largest that we know of. +# Far west Ontario is like Winnipeg; far east Quebec is like Halifax. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Mont 1884 only - Jan 1 0:00 0 S Rule Mont 1917 only - Mar 25 2:00 1:00 D Rule Mont 1917 only - Apr 24 0:00 0 S Rule Mont 1918 only - Apr 14 2:00 1:00 D @@ -690,9 +668,20 @@ Rule Mont 1987 max - Apr Sun>=1 2:00 1:00 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Montreal -4:54:16 - LMT 1884 -5:00 Mont E%sT +Zone America/Thunder_Bay -5:57:00 - LMT 1895 + -5:00 Canada E%sT 1970 + -5:00 Mont E%sT 1973 + -5:00 - EST 1974 + -5:00 Canada E%sT +Zone America/Nipigon -5:53:04 - LMT 1895 + -5:00 Canada E%sT +Zone America/Rainy_River -6:17:56 - LMT 1895 + -6:00 Canada C%sT + + +# Manitoba # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Winn 1887 only - Jul 16 0:00 0 S Rule Winn 1916 only - Apr 23 0:00 1:00 D Rule Winn 1916 only - Sep 17 0:00 0 S Rule Winn 1918 only - Apr 14 2:00 1:00 D @@ -720,8 +709,41 @@ Rule Winn 1987 max - Apr Sun>=1 2:00 1:00 D Zone America/Winnipeg -6:28:36 - LMT 1887 Jul 16 -6:00 Winn C%sT + +# Saskatchewan + +# From Paul Eggert (1996-06-12): +# Shanks writes that since 1970 most of this region has been like Regina. +# Some western towns (e.g. Swift Current) switched from MST/MDT to CST in 1972. +# Other western towns (e.g. Lloydminster) are like Edmonton. + +# From W. Jones <jones@skdad.usask.ca> (November 6, 1992): +# The. . .below is based on information I got from our law library, the +# provincial archives, and the provincial Community Services department. +# A precise history would require digging through newspaper archives, and +# since you didn't say what you wanted, I didn't bother. +# +# Saskatchewan is split by a time zone meridian (105W) and over the years +# the boundary became pretty ragged as communities near it reevaluated +# their affiliations in one direction or the other. In 1965 a provincial +# referendum favoured legislating common time practices. +# +# On 15 April 1966 the Time Act (c. T-14, Revised Statutes of +# Saskatchewan 1978) was proclaimed, and established that the eastern +# part of Saskatchewan would use CST year round, that districts in +# northwest Saskatchewan would by default follow CST but could opt to +# follow Mountain Time rules (thus 1 hour difference in the winter and +# zero in the summer), and that districts in southwest Saskatchewan would +# by default follow MT but could opt to follow CST. +# +# It took a few years for the dust to settle (I know one story of a town +# on one time zone having its school in another, such that a mom had to +# serve her family lunch in two shifts), but presently it seems that only +# a few towns on the border with Alberta (e.g. Lloydminster) follow MT +# rules any more; all other districts appear to have used CST year round +# since sometime in the 1960s. + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Regina 1905 only - Sep 1 0:00 0 S Rule Regina 1918 only - Apr 14 2:00 1:00 D Rule Regina 1918 only - Oct 31 2:00 0 S Rule Regina 1930 1934 - May Sun>=1 0:00 1:00 D @@ -732,17 +754,31 @@ Rule Regina 1938 only - Oct Sun>=1 0:00 0 S Rule Regina 1939 1941 - Oct Sun>=8 0:00 0 S Rule Regina 1942 only - Feb 9 2:00 1:00 D Rule Regina 1945 only - Sep lastSun 2:00 0 S -Rule Regina 1946 only - Apr 14 2:00 1:00 D -Rule Regina 1946 only - Oct 13 2:00 0 S -Rule Regina 1947 1960 - Apr lastSun 2:00 1:00 D -Rule Regina 1947 1959 - Sep lastSun 2:00 0 S +Rule Regina 1946 only - Apr Sun>=8 2:00 1:00 D +Rule Regina 1946 only - Oct Sun>=8 2:00 0 S +Rule Regina 1947 1959 - Apr lastSun 2:00 1:00 D +Rule Regina 1947 1958 - Sep lastSun 2:00 0 S +Rule Regina 1959 only - Oct lastSun 2:00 0 S +# +Rule Swift 1957 only - Apr lastSun 2:00 1:00 D +Rule Swift 1957 only - Oct lastSun 2:00 0 S +Rule Swift 1959 1961 - Apr lastSun 2:00 1:00 D +Rule Swift 1959 only - Oct lastSun 2:00 0 S +Rule Swift 1960 1961 - Sep lastSun 2:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone America/Regina -6:58:36 - LMT 1905 Sep - -7:00 Regina M%sT 1966 Apr 15 +Zone America/Regina -6:58:36 - LMT 1905 Sep + -7:00 Regina M%sT 1960 Apr lastSun 2:00 -6:00 - CST +Zone America/Swift_Current -7:11:20 - LMT 1905 Sep + -7:00 Canada M%sT 1946 Apr lastSun 2:00 + -7:00 Regina M%sT 1950 + -7:00 Swift M%sT 1972 Apr lastSun 2:00 + -6:00 - CST + + +# Alberta # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Edm 1906 only - Sep 1 0:00 0 S Rule Edm 1918 1919 - Apr Sun>=8 2:00 1:00 D Rule Edm 1918 only - Oct 31 2:00 0 S Rule Edm 1919 only - May 27 2:00 0 S @@ -764,8 +800,14 @@ Rule Edm 1987 max - Apr Sun>=1 2:00 1:00 D Zone America/Edmonton -7:33:52 - LMT 1906 Sep -7:00 Edm M%sT + +# British Columbia + +# From Paul Eggert (1996-06-12): +# Shanks writes that since 1970 most of this region has been like Vancouver. +# Dawswon Creek uses MST. Much of east BC is like Edmonton. + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Vanc 1884 only - Jan 1 0:00 0 S Rule Vanc 1918 only - Apr 14 2:00 1:00 D Rule Vanc 1918 only - Oct 31 2:00 0 S Rule Vanc 1942 only - Feb 9 2:00 1:00 D @@ -778,24 +820,50 @@ Rule Vanc 1987 max - Apr Sun>=1 2:00 1:00 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Vancouver -8:12:28 - LMT 1884 -8:00 Vanc P%sT +Zone America/Dawson_Creek -8:00:56 - LMT 1884 + -8:00 Canada P%sT 1947 + -8:00 Vanc P%sT 1972 Aug 30 2:00 + -7:00 - MST + + +# Northwest Territories, Yukon + +# From Paul Eggert (1996-06-12): +# Dawson switched to PST in 1973. Inuvik switched to MST in 1979. +# Shanks's table for Watson Lake is corrupted, so we have no data there. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Yukon 1900 only - Jan 1 0:00 0 S -Rule Yukon 1918 only - Apr 14 2:00 1:00 D -Rule Yukon 1918 only - Oct 27 2:00 0 S -Rule Yukon 1919 only - May 25 2:00 1:00 D -Rule Yukon 1919 only - Nov 1 0:00 0 S -Rule Yukon 1942 only - Feb 9 2:00 1:00 D -Rule Yukon 1965 only - Apr 25 0:00 1:00 D -Rule Yukon 1965 only - Oct 31 2:00 0 S -Rule Yukon 1980 1986 - Apr lastSun 2:00 1:00 D -Rule Yukon 1980 max - Oct lastSun 2:00 0 S -Rule Yukon 1987 max - Apr Sun>=1 2:00 1:00 D +Rule NT_YK 1918 only - Apr 14 2:00 1:00 D +Rule NT_YK 1918 only - Oct 27 2:00 0 S +Rule NT_YK 1919 only - May 25 2:00 1:00 D +Rule NT_YK 1919 only - Nov 1 0:00 0 S +Rule NT_YK 1942 only - Feb 9 2:00 1:00 D +Rule NT_YK 1945 only - Sep 30 2:00 0 S +# 0:00 ?? +Rule NT_YK 1965 only - Apr lastSun 0:00 2:00 DD +Rule NT_YK 1965 only - Oct lastSun 2:00 0 S +Rule NT_YK 1980 1986 - Apr lastSun 2:00 1:00 D +Rule NT_YK 1980 max - Oct lastSun 2:00 0 S +Rule NT_YK 1987 max - Apr Sun>=1 2:00 1:00 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone America/Pangnirtung -4:22:56 - LMT 1884 + -4:00 NT_YK A%sT +Zone America/Iqaluit -4:33:52 - LMT 1884 # Frobisher Bay + -5:00 NT_YK E%sT +Zone America/Rankin_Inlet -6:08:40 - LMT 1884 + -6:00 NT_YK C%sT +Zone America/Yellowknife -7:37:24 - LMT 1884 + -7:00 NT_YK M%sT +Zone America/Inuvik -8:54:00 - LMT 1884 + -8:00 NT_YK P%sT 1979 Apr lastSun 2:00 + -7:00 NT_YK M%sT Zone America/Whitehorse -9:00:12 - LMT 1900 Aug 20 - -9:00 Yukon Y%sT 1966 Jul - -8:00 Yukon P%sT -# Parts of Yukon (e.g. Dawson) didn't switch to -8:00 until 1973 Oct 28. + -9:00 NT_YK Y%sT 1966 Jul 1 2:00 + -8:00 NT_YK P%sT +Zone America/Dawson -9:17:40 - LMT 1900 Aug 20 + -9:00 NT_YK Y%sT 1973 Oct lastSun 2:00 + -8:00 NT_YK P%sT + ############################################################################### @@ -848,22 +916,45 @@ Zone America/Whitehorse -9:00:12 - LMT 1900 Aug 20 # a zone that's GMT-8 with DST; a zone that's always GMT-7; # a zone that's GMT-6 with DST; and a zone that's always GMT-6. -# From Paul Eggert <eggert@twinsun.com> (November 18, 1993): +# From Paul Eggert <eggert@twinsun.com> (1993-11-18): # Shanks also says there are four zones, but disagrees about the fourth. # Instead of GMT-6 with DST, he says there's GMT-8 without DST. -# From Paul Eggert (1996-02-07): -# Today in news:4f90v4$g6g@news.internet.com.mx, Kevin Pitts -# <bravo2@internet.com.mx> wrote that Mexico will use Horario de Verano (DST) -# starting this year with the same rules as the US, and gave FIDE as a source. -# (FIDE is a private organization that promotes efficient electrical use.) -# On 1996-02-02 Mario Camou wrote that the transition times are Apr Sun>=1 -# 0:00 and Nov 1 0:00 but also wrote ``The DST-out date looks a bit fishy''. -# Go with Pitts after 1996, and with Shanks before that. +# From Alan Perry <alan.perry@eng.sun.com> (1996-02-15): +# A guy from our Mexico subsidiary finally found the Presidential Decree +# outlining the timezone changes in Mexico. +# +# ------------- Begin Forwarded Message ------------- +# +# I finally got my hands on the Official Presidential Decree that sets up the +# rules for the DST changes. The rules are: +# +# 1. The country is divided in 3 timezones: +# - Baja California Norte (the Mexico/BajaNorte TZ) +# - Baja California Sur, Nayarit, Sinaloa and Sonora (the Mexico/BajaSur TZ) +# - The rest of the country (the Mexico/General TZ) +# +# 2. From the first Sunday in April at 2:00 AM to the last Sunday in October +# at 2:00 AM, the times in each zone are as follows: +# BajaNorte: GMT+7 +# BajaSur: GMT+6 +# General: GMT+5 +# +# 3. The rest of the year, the times are as follows: +# BajaNorte: GMT+8 +# BajaSur: GMT+7 +# General: GMT+6 +# +# The Decree was published in Mexico's Official Newspaper on January 4th. +# +# -------------- End Forwarded Message -------------- +# From Paul Eggert (1996-06-12): +# For an English translation of the decree, +# see ``Diario Oficial: Time Zone Changeover'', +# <URL:http://mexico-travel.com/extra/timezone_eng.html> (1996-01-04). # From Shanks (1991): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Mexico 1922 only - Jan 1 0:00 0 S Rule Mexico 1939 only - Feb 5 0:00 1:00 D Rule Mexico 1939 only - Jun 25 0:00 0 S Rule Mexico 1940 only - Dec 9 0:00 1:00 D @@ -930,7 +1021,6 @@ Zone America/Antigua -4:07:12 - LMT 1912 Mar 2 # Bahamas # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Bahamas 1912 only - Mar 2 0:00 0 S Rule Bahamas 1964 max - Oct lastSun 2:00 0 S Rule Bahamas 1964 1986 - Apr lastSun 2:00 1:00 D Rule Bahamas 1987 max - Apr Sun>=1 2:00 1:00 D @@ -940,7 +1030,6 @@ Zone America/Nassau -5:09:24 - LMT 1912 Mar 2 # Barbados # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Barb 1932 only - Jan 1 0:00 0 S Rule Barb 1977 only - Jun 12 2:00 1:00 D Rule Barb 1977 1978 - Oct Sun>=1 2:00 0 S Rule Barb 1978 1980 - Apr Sun>=15 2:00 1:00 D @@ -954,7 +1043,6 @@ Zone America/Barbados -3:58:28 - LMT 1924 # Bridgetown # Belize # Whitman entirely disagrees with Shanks; go with Shanks. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Belize 1912 only - Apr 1 0:00 0 S Rule Belize 1918 1942 - Oct Sun>=2 0:00 0:30 HD Rule Belize 1919 1943 - Feb Sun>=9 0:00 0 S Rule Belize 1973 only - Dec 5 0:00 1:00 D @@ -984,7 +1072,6 @@ Zone America/Cayman -5:25:32 - LMT 1890 # Georgetown # Shanks gives some very odd dates for 1991, and stops there. # For now, we won't guess further. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule CR 1921 only - Jan 15 0:00 0 S Rule CR 1979 1980 - Feb lastSun 0:00 1:00 D Rule CR 1979 1980 - Jun Sun>=1 0:00 0 S Rule CR 1991 only - Jan 19 0:00 1:00 D @@ -1010,7 +1097,6 @@ Zone America/Costa_Rica -5:36:20 - LMT 1890 # San Jose # From Shanks (1991): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Cuba 1925 only - Jul 19 12:00 0 S Rule Cuba 1928 only - Jun 10 0:00 1:00 D Rule Cuba 1928 only - Oct 10 0:00 0 S Rule Cuba 1940 1942 - Jun Sun>=1 0:00 1:00 D @@ -1049,7 +1135,6 @@ Zone America/Dominica -4:05:36 - LMT 1911 Jul 1 0:01 # Roseau # Dominican Republic # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule DR 1933 only - Apr 1 12:00 0 S Rule DR 1966 only - Oct 30 0:00 1:00 D Rule DR 1967 only - Feb 28 0:00 0 S Rule DR 1969 1973 - Oct lastSun 0:00 0:30 HD @@ -1064,7 +1149,6 @@ Zone America/Santo_Domingo -4:39:36 - LMT 1890 # El Salvador # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Salv 1921 only - Jan 1 0:00 0 S Rule Salv 1987 1988 - May Sun>=1 0:00 1:00 D Rule Salv 1987 1988 - Sep lastSun 0:00 0 S # There are too many San Salvadors elsewhere, so we'll use `El Salvador'. @@ -1084,7 +1168,6 @@ Zone America/Guadeloupe -4:06:08 - LMT 1911 Jun 8 # Pointe a Pitre # Guatemala # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Guat 1918 only - Oct 5 0:00 0 S Rule Guat 1973 only - Nov 25 0:00 1:00 D Rule Guat 1974 only - Feb 24 0:00 0 S Rule Guat 1983 only - May 21 0:00 1:00 D @@ -1095,7 +1178,6 @@ Zone America/Guatemala -6:02:04 - LMT 1918 Oct 5 # Haiti # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Haiti 1917 only - Jan 24 12:00 0 S Rule Haiti 1983 only - May 8 0:00 1:00 D Rule Haiti 1984 1987 - Apr lastSun 0:00 1:00 D Rule Haiti 1983 1987 - Oct lastSun 0:00 0 S @@ -1142,7 +1224,6 @@ Zone America/Montserrat -4:08:52 - LMT 1911 Jul 1 0:01 # Plymouth # Nicaragua # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Nic 1975 only - Feb 16 0:00 0 S Rule Nic 1979 1980 - Mar Sun>=16 0:00 1:00 D Rule Nic 1979 1980 - Jun Mon>=23 0:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] |