From 244924821ef4638dfbdaaf5bdb48765b59ef0e82 Mon Sep 17 00:00:00 2001 From: wollman Date: Sat, 2 Mar 1996 21:47:10 +0000 Subject: Update timezone files to 96c from vendor branch. Australia/Canberra is dead (use Australia/Sydney). Asia/Tel_Aviv has been renamed Asia/Jerusalem. --- share/zoneinfo/northamerica | 488 ++++++++++++++++++++++++++++++++++---------- 1 file changed, 381 insertions(+), 107 deletions(-) (limited to 'share/zoneinfo/northamerica') diff --git a/share/zoneinfo/northamerica b/share/zoneinfo/northamerica index e552d31..7910519 100644 --- a/share/zoneinfo/northamerica +++ b/share/zoneinfo/northamerica @@ -1,4 +1,4 @@ -# @(#)northamerica 7.15 +# @(#)northamerica 7.22 # also includes Central America and the Caribbean # This data is by no means authoritative; if you think you know better, @@ -14,25 +14,24 @@ # United States +# From Paul Eggert (1995-12-19): +# A good source for time zone historical data in the US is +# Thomas G. Shanks, The American Atlas (5th edition), +# San Diego: ACS Publications, Inc. (1991). +# 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 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 # and Sunday, October 27, 1974 editions of the Washington Post. -# From seismo!munnari!kre: -# I recall also being told by someone once that Canada didn't have -# the DST variations in 74/75 that the US did, but I am not nearly -# sure enough of this to add anything. - -# From Arthur David Olson: -# The above has been confirmed by Bob Devine; we'll go with it here. - # From Arthur David Olson: # Before the Uniform Time Act of 1966 took effect in 1967, observance of # Daylight Saving Time in the US was by local option, except during wartime. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule US 1918 1919 - Mar lastSun 2:00 1:00 D +Rule US 1918 1919 - Mar lastSun 2:00 1:00 W # War Rule US 1918 1919 - Oct lastSun 2:00 0 S Rule US 1942 only - Feb 9 2:00 1:00 W # War Rule US 1945 only - Sep 30 2:00 0 S @@ -55,6 +54,10 @@ Rule US 1987 max - Apr Sun>=1 2:00 1:00 D # The YST zone now covers nearly all of the state, AHST just part # of the Aleutian islands. No DST. +# From Paul Eggert (1995-12-19): +# The tables below use `NST', not `NT', for Nome Standard Time. +# I invented `CAWT' for Central Alaska War Time. + # From U. S. Naval Observatory (January 19, 1989): # USA EASTERN 5 H BEHIND UTC NEW YORK, WASHINGTON # USA EASTERN 4 H BEHIND UTC APR 3 - OCT 30 @@ -110,120 +113,370 @@ Rule US 1987 max - Apr Sun>=1 2:00 1:00 D # Hawaii-Aleutian standard time # Samoa standard time # The law doesn't give abbreviations. - -# From Paul Eggert (August 16, 1994): -# Howse writes that Alaska switched from the Julian to the Gregorian calendar, -# and from east-of-GMT to west-of-GMT days, in 1867 when the US purchased it -# from Russia. We don't have this data pinned down yet, though. - -# Easy stuff first--including Alaska, where we ignore history (since we -# can't tell if we should give Yukon time or Alaska-Hawaii time for "old" -# times). - +# +# From Paul Eggert (1995-12-19): +# Shanks uses 1983-10-30, not 1983-11-30, for the 1983 transitions. +# Go with Shanks. + +# US Eastern time, represented by New York +# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER +Rule NYC 1920 only - Mar lastSun 2:00 1:00 D +Rule NYC 1920 only - Oct lastSun 2:00 0 S +Rule NYC 1921 1966 - Apr lastSun 2:00 1:00 D +Rule NYC 1921 1954 - Sep lastSun 2:00 0 S +Rule NYC 1955 1966 - Oct lastSun 2:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone America/New_York -5:00 US E%sT -Zone America/Chicago -6:00 US C%sT -Zone America/Denver -7:00 US M%sT -Zone America/Los_Angeles -8:00 US P%sT -Zone America/Anchorage -9:00 US AK%sT - # AK%sT is the abbreviation per USNO - -# ZONE-DESCR America New_York United_States Eastern time (except Indiana and Michigan) +Zone America/New_York -4:56:02 - LMT 1883 Nov 18 12:00 + -5:00 US E%sT 1920 + -5:00 NYC E%sT 1942 + -5:00 US E%sT 1946 + -5:00 NYC E%sT 1967 + -5:00 US E%sT +# ZONE-DESCR America New_York United_States Eastern time (except IN, KY, MI) + +# US Central time, represented by Chicago +# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER +Rule Chicago 1920 only - Jun 13 2:00 1:00 D +Rule Chicago 1920 1921 - Oct lastSun 2:00 0 S +Rule Chicago 1921 only - Mar lastSun 2:00 1:00 D +Rule Chicago 1922 1966 - Apr lastSun 2:00 1:00 D +Rule Chicago 1922 1954 - Sep lastSun 2:00 0 S +Rule Chicago 1955 1966 - Oct lastSun 2:00 0 S +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone America/Chicago -5:50:36 - LMT 1883 Nov 18 12:00 + -6:00 US C%sT 1920 + -6:00 Chicago C%sT 1936 Mar 1 2:00 + -5:00 - EST 1936 Nov 15 2:00 + -6:00 Chicago C%sT 1942 + -6:00 US C%sT 1946 + -6:00 Chicago C%sT 1967 + -6:00 US C%sT # ZONE-DESCR America Chicago United_States Central time + +# US Mountain time, represented by Denver +# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER +Rule Denver 1920 1921 - Mar lastSun 2:00 1:00 D +Rule Denver 1920 only - Oct lastSun 2:00 0 S +Rule Denver 1921 only - May 22 2:00 0 S +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 # ZONE-DESCR America Denver United_States Mountain time (except Arizona) + +# US Pacific time, represented by Los Angeles +# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER +Rule CA 1948 only - Mar 14 2:00 1:00 D +Rule CA 1949 only - Jan 1 2:00 0 S +Rule CA 1950 1966 - Apr lastSun 2:00 1:00 D +Rule CA 1950 1961 - Sep lastSun 2:00 0 S +Rule CA 1962 1966 - Oct lastSun 2:00 0 S +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone America/Los_Angeles -7:52:58 - LMT 1883 Nov 18 12:00 + -8:00 US P%sT 1946 + -8:00 CA P%sT 1967 + -8:00 US P%sT # ZONE-DESCR America Los_Angeles United_States Pacific time -# ZONE-DESCR America Anchorage United_States Alaska time -# Mainland US areas that are always Standard as of 1986. +# Alaska +# AK%sT is the modern abbreviation for -9:00 per USNO. +# +# From Paul Eggert (1995-12-19): +# Howse writes that Alaska switched from the Julian to the Gregorian calendar, +# and from east-of-GMT to west-of-GMT days, in 1867 when the US purchased it +# from Russia. We omit this transition, since we can't represent changes +# from Julian to Gregorian. +# +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone America/Juneau -8:57:41 - LMT 1900 Aug 20 12:00 + -8:00 - PST 1942 + -8:00 US P%sT 1946 + -8:00 - PST 1969 + -8:00 US P%sT 1983 Oct 30 2:00 + -9:00 US AK%sT +Zone America/Yakutat -9:18:55 - LMT 1900 Aug 20 12:00 + -9:00 - YST 1942 + -9:00 US Y%sT 1946 + -9:00 - YST 1969 + -9:00 US Y%sT 1983 Oct 30 2:00 + -9:00 US AK%sT +Zone America/Anchorage -9:59:36 - LMT 1900 Aug 20 12:00 + -10:00 - CAT 1942 + -10:00 US CAT/CAWT 1946 + -10:00 - CAT 1967 Apr + -10:00 - AHST 1969 + -10:00 US AH%sT 1983 Oct 30 2:00 + -9:00 US AK%sT +Zone America/Nome -11:01:38 - LMT 1900 Aug 20 12:00 + -11:00 - NST 1942 + -11:00 US N%sT 1946 + -11:00 - NST 1967 Apr + -11:00 - BST 1969 + -11:00 US B%sT 1983 Oct 30 2:00 + -9:00 US AK%sT +Zone America/Adak -11:46:38 - LMT 1900 Aug 20 12:00 + -11:00 - NST 1942 + -11:00 US N%sT 1946 + -11:00 - NST 1967 Apr + -11:00 - BST 1969 + -11:00 US B%sT 1983 Oct 30 2:00 + -10:00 US HA%sT +# Shanks writes that part of southwest Alaska (e.g. Aniak) +# switched from -11:00 to -10:00 on 1968-09-22 at 02:00, +# and another part (e.g. Akiak) made the same switch five weeks later. +# These switches don't quite make our 1970 cutoff. + +# ZONE-DESCR America Juneau United_States Alaska: Juneau +# ZONE-DESCR America Yakutat United_States Alaska: Yakutat +# ZONE-DESCR America Anchorage United_States Alaska: Anchorage +# ZONE-DESCR America Nome United_States Alaska: Nome +# ZONE-DESCR America Adak United_States Alaska: Aleutian Islands + +# Hawaii +# +# From Arthur David Olson: +# And then there's Hawaii. +# DST was observed for one day in 1933; +# standard time was changed by half an hour in 1947; +# it's always standard as of 1986. +# +# From Paul Eggert: +# Shanks says the 1933 experiment lasted for three weeks. Go with Shanks. +# +Zone Pacific/Honolulu -10:31:26 - LMT 1900 Jan 1 12:00 + -10:30 - HST 1933 Apr 30 2:00 + -10:30 1:00 HDT 1933 May 21 2:00 + -10:30 US H%sT 1947 Jun 8 2:00 + -10:00 - HST + +Zone Pacific/Midway -11:49:28 - LMT 1901 + -11:00 - NST 1967 Apr # N=Nome + -11:00 - BST 1983 Nov 30 # B=Bering + -11:00 - SST # S=Samoa -Zone America/Fort_Wayne -5:00 US E%sT 1946 - -5:00 - EST # Always EST as of 1986 +# ZONE-DESCR Pacific Honolulu United_States Hawaii +# ZONE-DESCR Pacific Midway United_States Midway Island -# From Arthur David Olson (October 28, 1991): -# An article on page A3 of the Sunday, October 27, 1991 Washington Post -# notes that Starke County switched from Central time to Eastern time as of -# October 27, 1991. -Zone America/Knox_IN -6:00 US C%sT 1991 Oct 27 2:00 - -5:00 - EST # Always EST as of 1991 -Zone America/Phoenix -7:00 US M%sT 1946 - -7:00 - MST # Always MST as of 1986 +# Now we turn to US areas that have diverged from the consensus since 1970. + +# Arizona mostly uses MST. +Zone America/Phoenix -7:28:18 - LMT 1883 Nov 18 12:00 + -7:00 US M%sT 1944 Jan 1 00:01 + -7:00 - MST 1944 Mar 17 00:01 + -7:00 US M%sT 1944 Oct 1 00:01 + -7:00 - MST 1967 + -7:00 US M%sT 1968 + -7:00 - MST -# ZONE-DESCR America Fort_Wayne United_States Indiana (except Starke County) -# ZONE-DESCR America Knox_IN United_States Indiana (Starke County) # ZONE-DESCR America Phoenix United_States Arizona (except Navajo Nation) -# ZONE-DESCR America Shiprock United_States Arizona (Navajo Nation) # From Arthur David Olson (February 13, 1988): -# However. . .a writer from the Inter Tribal Council of Arizona, Inc., +# A writer from the Inter Tribal Council of Arizona, Inc., # notes in private correspondence dated 12/28/87 that "Presently, only the # Navajo Nation participates in the Daylight Saving Time policy, due to its # large size and location in three states." (The "only" means that other # tribal nations don't use DST.) -Link America/Denver America/Shiprock +Link America/Denver America/Shiprock -# From Bob Devine (January 28, 1988): -# Michigan didn't observe DST from 1968 to 1973. +# Southern Idaho and eastern Oregon switched four weeks late in 1974. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone America/Boise -7:44:49 - LMT 1883 Nov 18 12:00 + -8:00 US P%sT 1923 May 13 2:00 + -7:00 US M%sT 1974 + -7:00 - MST 1974 Feb 3 2:00 + -7:00 US M%sT -Zone America/Detroit -5:00 US E%sT 1968 - -5:00 - EST 1973 - -5:00 US E%sT +# ZONE-DESCR America Boise United_States Southern Idaho and Eastern Oregon + +# Indiana +# +# From Paul Eggert (1995-12-19): +# Indiana generally observes either EST all year, or CST/CDT, +# but areas near Cincinnati and Louisville use those cities' timekeeping +# and in 1969 and 1970 the whole state observed daylight time; +# and there are other exceptions as noted below. +# Shanks partitions Indiana into 345 regions, each with its own time history, +# and writes ``Even newspaper reports present contradictory information.'' +# Fortunately, most of the complexity occurred before our cutoff date of 1970. +# +# Since 1970, EST-only Indiana has been like America/Indianapolis, +# with exceptions noted below for Crawford, Starke, and Switzerland counties. +# The parts of Indiana not listed below have been like America/Chicago, +# America/Louisville, or America/New_York. +# +# Other than Indianapolis, the Indiana place names are so nondescript +# that they would be ambiguous if we left them at the `America' level. +# So we reluctantly put them all in a subdirectory `America/Indiana'. +# +# Most of EST-only Indiana last observed DST in 1970. +# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER +Rule Indianapolis 1941 only - Jun 22 2:00 1:00 D +Rule Indianapolis 1941 1954 - Sep lastSun 2:00 0 S +Rule Indianapolis 1946 1954 - Apr lastSun 2:00 1:00 D +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone America/Indianapolis -5:44:38 - LMT 1883 Nov 18 12:00 + -6:00 US C%sT 1920 + -6:00 Indianapolis C%sT 1942 + -6:00 US C%sT 1946 + -6:00 Indianapolis C%sT 1955 Apr 24 2:00 + -5:00 - EST 1957 Sep 29 2:00 + -6:00 - CST 1958 Apr 27 2:00 + -5:00 - EST 1969 + -5:00 US E%sT 1971 + -5:00 - EST +Link America/Indianapolis America/Indiana/Indianapolis -# ZONE-DESCR America Detroit United_States Michigan +# ZONE-DESCR America Indianapolis United_States Indiana: Indianapolis -# Samoa just changes names. No DST, per Naval Observatory. # -# Howse writes that in 1879 the King of Samoa decided to change -# ``the date in his kingdom from the Antipodean to the American system, -# ordaining -- by a masterpiece of diplomatic flattery -- that -# the Fourth of July should be celebrated twice in that year.'' - -Zone Pacific/Pago_Pago 12:37:12 - LMT 1879 Jul 5 - -11:22:48 - LMT 1911 - -11:30 - SST 1950 - -11:00 - NST 1967 Apr # N=Nome - -11:00 - BST 1983 Nov 30 # B=Bering - -11:00 - SST # S=Samoa +# Part of Crawford County, Indiana, last observed DST in 1975, +# and left its clocks alone in 1974. +# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER +Rule Marengo 1951 only - Apr lastSun 2:00 1:00 D +Rule Marengo 1951 only - Sep lastSun 2:00 0 S +Rule Marengo 1954 1960 - Apr lastSun 2:00 1:00 D +Rule Marengo 1954 1960 - Sep lastSun 2:00 0 S +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone America/Indiana/Marengo -5:45:23 - LMT 1883 Nov 18 12:00 + -6:00 US C%sT 1951 + -6:00 Marengo C%sT 1961 Apr 30 2:00 + -5:00 - EST 1969 + -5:00 US E%sT 1974 Jan 6 2:00 + -6:00 1:00 CDT 1974 Oct 27 2:00 + -5:00 US E%sT 1976 + -5:00 - EST -Zone Pacific/Midway -11:49:28 - LMT 1901 - -11:00 - NST 1967 Apr # N=Nome - -11:00 - BST 1983 Nov 30 # B=Bering - -11:00 - SST # S=Samoa +# sorry, tzsetup needs two-level names +Link America/Indiana/Marengo America/Marengo_IN +# ZONE-DESCR America Marengo_IN United_States Indiana: Crawford County -# Aleutian has a name change. DST, per Naval Observatory. +# +# Starke County, Indiana +# From Arthur David Olson (October 28, 1991): +# An article on page A3 of the Sunday, October 27, 1991 Washington Post +# notes that Starke County switched from Central time to Eastern time as of +# October 27, 1991. +# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER +Rule Starke 1947 1961 - Apr lastSun 2:00 1:00 D +Rule Starke 1947 1954 - Sep lastSun 2:00 0 S +Rule Starke 1955 1956 - Oct lastSun 2:00 0 S +Rule Starke 1957 1958 - Sep lastSun 2:00 0 S +Rule Starke 1959 1961 - Oct lastSun 2:00 0 S +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone America/Indiana/Knox -5:46:30 - LMT 1883 Nov 18 12:00 + -6:00 US C%sT 1947 + -6:00 Starke C%sT 1962 Apr 29 2:00 + -5:00 - EST 1963 Oct 27 2:00 + -6:00 US C%sT 1991 Oct 27 2:00 + -5:00 - EST -Zone America/Atka -10:00 US AH%sT 1983 Nov 30 - -10:00 US HA%sT +Link America/Indiana/Knox America/Knox_IN +# ZONE-DESCR America Knox_IN United_States Indiana: Starke County -# From Arthur David Olson: -# And then there's Hawaii. -# DST was observed for one day in 1933; -# Standard time was change by half an hour in 1947; -# it's always standard as of 1986. +# +# Switzerland County, Indiana, last observed DST in 1972. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone America/Indiana/Vevay -5:40:16 - LMT 1883 Nov 18 12:00 + -6:00 US C%sT 1954 Apr 25 2:00 + -5:00 - EST 1969 + -5:00 US E%sT 1973 + -5:00 - EST -Zone Pacific/Honolulu -10:30 US H%sT 1933 Apr 30 2:00 - -10:30 1:00 HDT 1933 May 1 2:00 - -10:30 US H%sT 1947 Jun 8 2:00 - -10:00 - HST +Link America/Indiana/Vevay America/Vevay_IN +# ZONE-DESCR America Vevay_IN United_States Indiana: Switzerland County + +# Part of Kentucky left its clocks alone in 1974. +# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER +Rule Louisville 1921 only - May 1 2:00 1:00 D +Rule Louisville 1921 only - Sep 1 2:00 0 S +Rule Louisville 1941 1961 - Apr lastSun 2:00 1:00 D +Rule Louisville 1941 only - Sep lastSun 2:00 0 S +Rule Louisville 1946 only - Jun 2 2:00 0 S +Rule Louisville 1950 1955 - Sep lastSun 2:00 0 S +Rule Louisville 1956 1960 - Oct lastSun 2:00 0 S +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone America/Louisville -5:43:02 - LMT 1883 Nov 18 12:00 + -6:00 US C%sT 1921 + -6:00 Louisville C%sT 1942 + -6:00 US C%sT 1946 + -6:00 Louisville C%sT 1961 Jul 23 2:00 + -5:00 - EST 1968 + -5:00 US E%sT 1974 Jan 6 2:00 + -6:00 1:00 CDT 1974 Oct 27 2:00 + -5:00 US E%sT -# Same time in American and Western Samoa -Link Pacific/Pago_Pago Pacific/Apia +# ZONE-DESCR America Louisville United_States Kentucky: Louisville area -# ZONE-DESCR Pacific Pago_Pago United_States American Samoa -# ZONE-DESCR Pacific Apia Western_Samoa All points -# ZONE-DESCR Pacific Midway United_States Midway Island -# ZONE-DESCR America Atka United_States Aleutian Islands -# ZONE-DESCR Pacific Honolulu United_States Hawaii +# Michigan +# +# From Bob Devine (January 28, 1988): +# Michigan didn't observe DST from 1968 to 1973. +# +# From Paul Eggert (1995-12-19): +# Shanks writes that Michigan started using standard time on 1885 Sep 18, +# but Howse (p 126) writes that Detroit kept +# +# local time until 1900 when the City Council decreed that clocks should +# be put back twenty-eight minutes to Central Standard Time. Half the +# city obeyed, half refused. After considerable debate, the decision +# was rescinded and the city reverted to Sun time. A derisive offer to +# erect a sundial in front of the city hall was referred to the +# Committee on Sewers. Then, in 1905, Central time was adopted +# by city vote. +# +# This story is too entertaining to be false, so go with Howse over Shanks. +# +# Most of Michigan observed DST from 1973 on, but was a bit late in 1975. +# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER +Rule Detroit 1948 only - Apr lastSun 2:00 1:00 D +Rule Detroit 1948 only - Sep lastSun 2:00 0 S +Rule Detroit 1967 only - Jun 14 2:00 1:00 D +Rule Detroit 1967 only - Oct lastSun 2:00 0 S +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone America/Detroit -5:32:11 - LMT 1905 + -6:00 - CST 1915 May 15 2:00 + -5:00 - EST 1942 + -5:00 US E%sT 1946 + -5:00 Detroit E%sT 1973 + -5:00 US E%sT 1975 + -5:00 - EST 1975 Apr 27 2:00 + -5:00 US E%sT + +# ZONE-DESCR America Detroit United_States Michigan: Mainland + +# +# The Michigan border with Wisconsin switched from EST to CST/CDT in 1973. +# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER +Rule Menominee 1946 only - Apr lastSun 2:00 1:00 D +Rule Menominee 1946 only - Sep lastSun 2:00 0 S +Rule Menominee 1966 only - Apr lastSun 2:00 1:00 D +Rule Menominee 1966 only - Oct lastSun 2:00 0 S +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone America/Menominee -5:50:27 - LMT 1885 Sep 18 12:00 + -6:00 US C%sT 1946 + -6:00 Menominee C%sT 1969 Apr 27 2:00 + -5:00 - EST 1973 Apr 29 2:00 + -6:00 US C%sT + +# ZONE-DESCR America Menominee United_States Michigan: Upper Peninsula # Navassa -# no information; probably like US/Eastern +# uninhabited +# Navassa +# no information; probably like US/Eastern ################################################################################ # From Paul Eggert (November 18, 1993): -# A good source for time zone historical data outside the U.S. is +# A good source for time zone historical data outside the US is # Thomas G. Shanks, The International Atlas (3rd edition), # San Diego: ACS Publications, Inc. (1991). # Except where otherwise noted, it is the source for the data below. @@ -381,7 +634,7 @@ Rule StJohns 1951 1986 - Apr lastSun 2:00 1:00 D Rule StJohns 1951 1959 - Sep lastSun 2:00 0 S Rule StJohns 1960 max - Oct lastSun 2:00 0 S Rule StJohns 1987 only - Apr Sun>=1 2:00 1:00 D -Rule StJohns 1988 only - Apr Sun>=1 2:00 2:00 D +Rule StJohns 1988 only - Apr Sun>=1 2:00 2:00 DD Rule StJohns 1989 max - Apr Sun>=1 2:00 1:00 D # St John's has an apostrophe, but Posix file names can't have apostrophes. # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -482,21 +735,23 @@ Rule Winn 1916 only - Sep 17 0:00 0 S Rule Winn 1918 only - Apr 14 2:00 1:00 D Rule Winn 1918 only - Oct 31 2:00 0 S Rule Winn 1937 only - May 16 2:00 1:00 D -Rule Winn 1937 only - Sep 23 2:00 0 S +Rule Winn 1937 only - Sep 26 2:00 0 S Rule Winn 1942 only - Feb 9 2:00 1:00 D Rule Winn 1945 only - Sep lastSun 2:00 0 S Rule Winn 1946 only - May 12 2:00 1:00 D Rule Winn 1946 only - Oct 13 2:00 0 S Rule Winn 1947 1949 - Apr lastSun 2:00 1:00 D -Rule Winn 1947 1958 - Sep lastSun 2:00 0 S -Rule Winn 1948 only - May 1 2:00 1:00 D -Rule Winn 1948 1960 - Apr lastSun 2:00 1:00 D +Rule Winn 1947 1949 - Sep lastSun 2:00 0 S +Rule Winn 1950 only - May 1 2:00 1:00 D +Rule Winn 1950 only - Sep 30 2:00 0 S +Rule Winn 1951 1960 - Apr lastSun 2:00 1:00 D +Rule Winn 1951 1958 - Sep lastSun 2:00 0 S Rule Winn 1959 only - Oct lastSun 2:00 0 S Rule Winn 1960 only - Sep lastSun 2:00 0 S Rule Winn 1963 only - Apr lastSun 2:00 1:00 D -Rule Winn 1963 only - Sep lastSun 2:00 0 S +Rule Winn 1963 only - Sep 22 2:00 0 S Rule Winn 1966 1986 - Apr lastSun 2:00 1:00 D -Rule Winn 1966 max - Sep lastSun 2:00 0 S +Rule Winn 1966 max - Oct lastSun 2:00 0 S Rule Winn 1987 max - Apr Sun>=1 2:00 1:00 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Winnipeg -6:28:36 - LMT 1887 Jul 16 @@ -598,7 +853,7 @@ Zone America/Whitehorse -9:00:12 - LMT 1900 Aug 20 # Rules prior to 1987 are unknown. # The comments in the OAG say "Only Ensenada, Mexicale, San Felipe and Tijuana # observe DST." This is presumably Baja California Norte, above 28th parallel, -# as listed there; Mexico/BajaSur is for "Baja California Sur and N. Pacific +# as listed there; [there is also] "Baja California Sur and N. Pacific # Coast (States of Sinaloa and Sonora)." # From Bob Devine (January 28, 1988): @@ -644,6 +899,15 @@ Zone America/Whitehorse -9:00:12 - LMT 1900 Aug 20 # 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 +# 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 Shanks (1991): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Mexico 1922 only - Jan 1 0:00 0 S @@ -655,6 +919,9 @@ Rule Mexico 1943 only - Dec 16 0:00 1:00 D Rule Mexico 1944 only - May 1 0:00 0 S Rule Mexico 1950 only - Feb 12 0:00 1:00 D Rule Mexico 1950 only - Jul 30 0:00 0 S +Rule Mexico 1996 max - Apr Sun>=1 2:00 1:00 D +Rule Mexico 1996 max - Oct lastSun 2:00 0 S +# Rule BajaN 1950 1966 - Apr lastSun 2:00 1:00 D Rule BajaN 1950 1961 - Sep lastSun 2:00 0 S Rule BajaN 1961 1966 - Oct lastSun 2:00 0 S @@ -676,7 +943,7 @@ Zone America/Mazatlan -7:05:40 - LMT 1921 Dec 31 23:54:20 -6:00 - CST 1942 Apr -7:00 - MST 1949 Jan 14 -8:00 - PST 1970 - -7:00 - MST + -7:00 Mexico M%sT # ZONE-DESCR America Mazatlan Mexico Mazatlan Zone America/Tijuana -7:48:04 - LMT 1922 Jan 1 0:11:56 -8:00 - PST 1927 Jun 10 23:00 @@ -684,14 +951,16 @@ Zone America/Tijuana -7:48:04 - LMT 1922 Jan 1 0:11:56 -8:00 - PST 1942 Apr -7:00 - MST 1949 Jan 14 -8:00 BajaN P%sT 1967 Apr lastSun 2:00 - -8:00 US P%sT + -8:00 US P%sT 1996 + -8:00 Mexico P%sT # ZONE-DESCR America Tijuana Mexico Baja California Norte Zone America/Ensenada -7:46:28 - LMT 1922 Jan 1 0:13:32 -8:00 - PST 1927 Jun 10 23:00 -7:00 - MST 1930 Nov 16 -8:00 - PST 1942 Apr -7:00 - MST 1949 Jan 14 - -8:00 - PST + -8:00 - PST 1996 + -8:00 Mexico P%sT # ZONE-DESCR America Ensenada Mexico Ensenada # @@ -775,7 +1044,7 @@ Zone America/Cayman -5:25:32 - LMT 1890 # Georgetown # ZONE-DESCR America Cayman Cayman_Islands All points # Clipperton -# no information +# uninhabited # Costa Rica # Shanks gives some very odd dates for 1991, and stops there. @@ -988,9 +1257,9 @@ Zone America/Panama -5:18:08 - LMT 1890 # Puerto Rico # There are too many San Juans elsewhere, so we'll use `Puerto_Rico'. # Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone America/Puerto_Rico -4:24:28 - LMT 1899 Mar 28 12:00 # San Juan +Zone America/Puerto_Rico -4:24:25 - LMT 1899 Mar 28 12:00 # San Juan -4:00 - AST 1942 May 3 - -4:00 1:00 ADT 1945 Sep 30 2:00 + -4:00 1:00 AWT 1945 Sep 30 2:00 -4:00 - AST # ZONE-DESCR America Puerto_Rico United_States Puerto Rico @@ -1033,13 +1302,18 @@ Zone America/Grand_Turk -4:44:32 - LMT 1890 -5:07 - KMT 1912 Feb # Kingston Mean Time -5:00 - EST 1979 Apr 29 2:00 -5:00 US E%sT - # ZONE-DESCR America Grand_Turk Turks_and_Caicos All points -# Virgin Is (British and US) +# British Virgin Is +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone America/Tortola -4:18:28 - LMT 1911 Jul # Road Town + -4:00 - AST + +# ZONE-DESCR America Tortola United_Kingdom British Virgin Islands + +# Virgin Is # Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone America/Virgin -4:19:44 - LMT 1911 Jul # Charlotte Amalie +Zone America/St_Thomas -4:19:44 - LMT 1911 Jul # Charlotte Amalie -4:00 - AST -# ZONE-DESCR America Virgin United_States US Virgin Islands -# ZONE-DESCR America Virgin United_Kingdom British Virgin Islands +# ZONE-DESCR America St_Thomas United_States Virgin Islands -- cgit v1.1