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Diffstat (limited to 'share/zoneinfo/datfiles/northamerica')
| -rw-r--r-- | share/zoneinfo/datfiles/northamerica | 321 |
1 files changed, 0 insertions, 321 deletions
diff --git a/share/zoneinfo/datfiles/northamerica b/share/zoneinfo/datfiles/northamerica deleted file mode 100644 index 53a1df1..0000000 --- a/share/zoneinfo/datfiles/northamerica +++ /dev/null @@ -1,321 +0,0 @@ -# @(#)northamerica 4.8 - -############################################################################### - -# United States - -# 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 - 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 -Rule US 1967 max - Oct lastSun 2:00 0 S -Rule US 1967 1973 - Apr lastSun 2:00 1:00 D -Rule US 1974 only - Jan 6 2:00 1:00 D -Rule US 1975 only - Feb 23 2:00 1:00 D -Rule US 1976 1986 - Apr lastSun 2:00 1:00 D -Rule US 1987 max - Apr Sun>=1 2:00 1:00 D - -# From Bob Devine (January 28, 1988): -# ...Alaska (and Hawaii) had the timezone names changed in 1967. -# old new -# Pacific Standard Time(PST) -same- -# Yukon Standard Time(YST) -same- -# Central Alaska S.T. (CAT) Alaska-Hawaii St[an]dard Time (AHST) -# Nome Standard Time (NT) Bering Standard Time (BST) -# -# ...Alaska's timezone lines were redrawn in 1983 to give only 2 tz. -# The YST zone now covers nearly all of the state, AHST just part -# of the Aleutian islands. No DST. - -# 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 -# USA CENTRAL 6 H BEHIND UTC CHICAGO, HOUSTON -# USA CENTRAL 5 H BEHIND UTC APR 3 - OCT 30 -# USA MOUNTAIN 7 H BEHIND UTC DENVER -# USA MOUNTAIN 6 H BEHIND UTC APR 3 - OCT 30 -# USA PACIFIC 8 H BEHIND UTC L.A., SAN FRANCISCO -# USA PACIFIC 7 H BEHIND UTC APR 3 - OCT 30 -# USA ALASKA STD 9 H BEHIND UTC MOST OF ALASKA (AKST) -# USA ALASKA STD 8 H BEHIND UTC APR 3 - OCT 30 (AKDT) -# USA ALEUTIAN 10 H BEHIND UTC ISLANDS WEST OF 170W -# USA - " - 9 H BEHIND UTC APR 3 - OCT 30 -# USA HAWAII 10 H BEHIND UTC -# USA BERING 11 H BEHIND UTC SAMOA, MIDWAY - -# From Arthur David Olson (January 21, 1989): -# The above dates are for 1988. -# Note the "AKST" and "AKDT" abbreviations, the claim that there's -# no DST in Samoa, and the claim that there is DST in Alaska and the -# Aleutians. - -# From Arthur David Olson (February 13, 1988): -# Legal standard time zone names, from United States Code (1982 Edition and -# Supplement III), Title 15, Chapter 6, Section 260 and forward. First, names -# up to April 1, 1967 (when most provisions of the Uniform Time Act of 1966 -# took effect), as explained in sections 263 and 261: -# (none) -# United States standard eastern time -# United States standard mountain time -# United States standard central time -# United States standard Pacific time -# (none) -# United States standard Alaska time -# (none) -# Next, names from April 1, 1967 until November 30, 1983 (the date for -# public law 98-181): -# Atlantic standard time -# eastern standard time -# central standard time -# mountain standard time -# Pacific standard time -# Yukon standard time -# Alaska-Hawaii standard time -# Bering standard time -# And after November 30, 1983: -# Atlantic standard time -# eastern standard time -# central standard time -# mountain standard time -# Pacific standard time -# Alaska standard time -# Hawaii-Aleutian standard time -# Samoa standard time -# The law doesn't give abbreviations. - -# 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). - -# Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL] -Zone US/Eastern -5:00 US E%sT -Zone US/Central -6:00 US C%sT -Zone US/Mountain -7:00 US M%sT -Zone US/Pacific -8:00 US P%sT -Zone US/Alaska -9:00 US AK%sT # Abbreviation per USNO - -# Mainland US areas that are always Standard as of 1986. - -Zone US/East-Indiana -5:00 US E%sT 1946 - -5:00 - EST # Always EST as of 1986 -Zone US/Arizona -7:00 US M%sT 1946 - -7:00 - MST # Always MST as of 1986 - -# From Arthur David Olson (February 13, 1988): -# However. . .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 US/Mountain Navajo - -# From Bob Devine (January 28, 1988): -# Michigan didn't observe DST from 1968 to 1973. - -Zone US/Michigan -5:00 US E%sT 1968 - -5:00 - EST 1973 - -5:00 US E%sT - -# Samoa just changes names. No DST, per Naval Observatory. - -Zone US/Samoa -11:00 - NST 1967 Apr 1 # N=Nome - -11:00 - BST 1983 Nov 30 # B=Bering - -11:00 - SST # S=Samoa - -# Aleutian has a name change. DST, per Naval Observatory. - -Zone US/Aleutian -10:00 US AH%sT 1983 Nov 30 - -10:00 US HA%sT - -# 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. - -Zone US/Hawaii -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 - -# Old names, for S5 users - -# Link LINK-FROM LINK-TO -# Link US/Eastern EST5EDT -# Link US/Central CST6CDT -# Link US/Mountain MST7MDT -# Link US/Pacific PST8PDT -# Link US/East-Indiana EST -# Link US/Arizona MST -# Link US/Hawaii HST - -################################################################################ - -# 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. Stick with rules posted in 1988 until more authoritative -# information is available. - -# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Canada 1969 max - Oct lastSun 2:00 0 S -Rule Canada 1969 1986 - Apr lastSun 2:00 1:00 D -Rule Canada 1987 max - Apr Sun>=1 2:00 1:00 D - -# Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL] -# Bob Devine says that DST *is* observed in Newfoundland -Zone Canada/Newfoundland -3:30 Canada N%sT -Zone Canada/Atlantic -4:00 Canada A%sT -Zone Canada/Eastern -5:00 Canada E%sT -Zone Canada/Central -6:00 Canada C%sT -Zone Canada/East-Saskatchewan -6:00 - CST # No DST as of 1987 -Zone Canada/Mountain -7:00 Canada M%sT -Zone Canada/Pacific -8:00 Canada P%sT -Zone Canada/Yukon -9:00 Canada Y%sT - -############################################################################### - -# Mexico - -# From Guy Harris: -# Rules are from the Official Airline Guide, Worldwide Edition, for 1987. -# 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 -# Coast (States of Sinaloa and Sonora)." - -# From Bob Devine (January 28, 1988): -# The Federal District (where Mexico City is) has observed [DST] several -# times but not recently. -# -# I don't where to drawn the line in the North Baja area. 28th latitude -# sounds good -- but it may be higher (how far [d]o radio stations from -# San Diego affect culture?). -# -# The dates of DST probably go back to 1981. The rules are the same as -# US's. This is going to be a headache for US presidential electi[o]n years! - -# From Arthur David Olson (February 13, 1988) -# Since the 1981 starting date is only "probable," we'll keep the 1987 -# starting date below. - -# From U. S. Naval Observatory (January 19, 1989): -# MEXICO BAJA CAL N 7 H BEHIND UTC BAJA CALIFORNIA SUR AND -# MEXICO BAJA CAL N N. PACIFIC COAST (STATES -# MEXICO BAJA CAL N OF SINALOA AND SONORA) -# MEXICO BAJA CAL N 8 H BEHIND UTC ABOVE 28TH PARALLAL APR 3 -# MEXICO BAJA CAL N - OCT 29 -# MEXICO BAJA CAL N 7 H BEHIND UTC ABOVE 28TH PARALLAL APR 3 -# MEXICO BAJA CAL N - 0CT 29 -# MEXICO 6 H BEHIND UTC STATES OF DURANGO, -# MEXICO COAHUILA, NUEVO LEON, -# MEXICO TAMAULIPAS -# MEXICO 5 H BEHIND UTC STATES OF DURANGO, -# MEXICO COAHUILA, NUEVO LEON, -# MEXICO TAMAULIPAS APR 3 - OCT 29 -# MEXICO 6 H BEHIND UTC GENERAL MEXICO, STATES OF -# MEXICO CAMPECHE, QUINTANA ROO AND -# MEXICO YUCATAN - -# From Arthur David Olson (January 21, 1989): -# April 3 fell on a Sunday in 1988; October 29 fell on a Sunday in 1989. Ahem. -# USNO claims there should be four Mexican zones rather than three: -# 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. -# Wait for more authoritative information before changing. - -# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Mexico 1987 max - Oct lastSun 2:00 0 S -Rule Mexico 1987 max - Apr Sun>=1 2:00 1:00 D - -# Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL] -Zone Mexico/BajaNorte -8:00 Mexico P%sT -Zone Mexico/BajaSur -7:00 - MST -Zone Mexico/General -6:00 - CST - -############################################################################### - -# Jamaica - -# From Bob Devine (January 28, 1988): -# Follows US rules. - -# From U. S. Naval Observatory (January 19, 1989): -# JAMAICA 5 H BEHIND UTC - -Link US/Eastern Jamaica - -############################################################################### - -# Cuba - -# From Bob Devine (January 28, 1988): -# . . .DST is from 2nd Sunday in May to 2nd Sunday in October since 1981. -# Change at midnight. In 1979 & 1980, started at 3rd Sunday in March -# (I think). - -# From U. S. Naval Observatory (January 19, 1989): -# CUBA 5 H BEHIND UTC -# CUBA 4 H BEHIND UTC MAR 20 - OCT 8 - -# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Cuba 1979 1980 - Mar Sun>=15 0:00 1:00 D -Rule Cuba 1979 1980 - Oct Sun>=8 0:00 0 S -Rule Cuba 1981 max - May Sun>=8 0:00 1:00 D -Rule Cuba 1981 max - Oct Sun>=8 0:00 0 S - -# Zone NAME GMTOFF RULES/SAVE FORMAT -Zone Cuba -5:00 Cuba C%sT |
