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-rw-r--r--time/europe77
-rw-r--r--time/northamerica270
2 files changed, 235 insertions, 112 deletions
diff --git a/time/europe b/time/europe
index b96f235..ce66e8a 100644
--- a/time/europe
+++ b/time/europe
@@ -1,4 +1,4 @@
-# @(#)europe 7.37
+# @(#)europe 7.38
# This data is by no means authoritative; if you think you know better,
# go ahead and edit the file (and please send any changes to
@@ -125,6 +125,15 @@
# transition date for London, namely 1847 Sep 22. We don't know as much
# about Dublin, so we use 1880 Aug 2, the legal transition time.
+# From Paul Eggert (1996-06-12):
+# Summer Time was first seriously proposed by William Willett (1857-1915),
+# a London builder who circulated a pamphlet ``Waste of Daylight'' (1907)
+# that proposed advancing clocks 20 minutes on each of four Sundays in April,
+# and retarding them by the same amount on four Sundays in September.
+# A bill was drafted in 1909 and introduced in Parliament several times,
+# but it met with ridicule and opposition, especially from farming interests.
+# One-hour Summer Time was eventually adopted as a wartime measure in 1916.
+
# From Arthur David Olson (January 19, 1989):
#
# A source at the British Information Office in New York avers that it's
@@ -418,6 +427,22 @@
# who provided the wartime regulations and a snippet of Hansard explaining
# why double summer time started on a Monday in 1945 (it was Easter).
+# From Peter Ilieve <peter@aldie.co.uk> (1996-05-29):
+# I have now got a copy of the British Standard Time Act 1968.
+# It says (S4(2)) that it expires at 02:00 GMT on 31 October 1971 unless
+# an Order in Council was passed in Parliament to make the Act permanent.
+# No Order was passed, so 02:00 1971-10-31 it is...
+#
+# Interestingly, it says baldly `This Act shall come into force on
+# 27 October 1968', without giving a time. As S1 of the Act merely
+# stated that `The time for general purposes in the United Kingdom
+# (to be known as British standard time) shall be one hour in
+# advance of Greenwich mean time throughout the year; ...' you could
+# possibly argue that the start time of BStandardT was 00:00 1968-10-27,
+# especially as the Act repealed the Summer Time Acts 1916--1947 in toto,
+# thereby destroying the authority of the Summer Time Order specifying
+# summer time in 1968....
+
# From Peter Ilieve <peter@memex.co.uk> (November 18, 1993)
#
# Here is a revised version of my tabrules file for the perl script I sent
@@ -617,7 +642,7 @@
# To maintain strict historical accuracy you could start a new UK ending rule
# of Oct Sun>=22 in 1990.
-# From Paul Eggert <eggert@twinsun.com> (November 18, 1993):
+# From Paul Eggert <eggert@twinsun.com> (1996-06-12):
#
# As Ilieve remarks, the date `20 April 1924' in the table of ``Summer Time: A
# Consultation Document'' (Cm 722, 1989) table is a transcription error;
@@ -637,15 +662,28 @@
# It actually just had one transition.
# * Northern Ireland used single daylight savings time throughout WW II.
# Actually, it conformed to Britain.
+# * GB-Eire changed standard time to 1 hour ahead of GMT on 1968-02-18.
+# Actually, that date saw the usual switch to summer time.
+# Standard time was not changed until 1968-10-27 (the clocks didn't change).
#
-# The following claim by Shanks is possible though doubtful;
-# we'll ignore it for now.
+# The following claims by Shanks are possible though doubtful;
+# we'll ignore them for now.
# * Jersey, Guernsey, and the Isle of Man did not switch from GMT
# to daylight savings time until 1921 Apr 3, when they began to
# conform with Great Britain.
+# * Dublin's 1971-10-31 switch was at 02:00, even though London's was 03:00.
+#
#
# Whitman says Dublin Mean Time was -0:25:21, which is more precise than Shanks.
+# From an anonymous contributor (1996-06-02):
+# The law governing time in Ireland is under Statutory Instrument SI 395/94,
+# which gives force to European Union 7th Council Directive # 94/21/EC.
+# Under this directive, the Minister for Justice in Ireland makes appropriate
+# regulations. I spoke this morning with the Secretary of the Department of
+# Justice (tel +353 1 678 9711) who confirmed to me that the correct name is
+# "Irish Summer Time", abbreviated to "IST".
+
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
# 1916 to 1925--irregular
Rule GB-Eire 1916 only - May 21 2:00s 1:00 BST
@@ -710,11 +748,11 @@ Rule GB-Eire 1958 1959 - Apr Sun>=16 2:00s 1:00 BST
Rule GB-Eire 1960 only - Apr 10 2:00s 1:00 BST
Rule GB-Eire 1961 1963 - Mar lastSun 2:00s 1:00 BST
Rule GB-Eire 1964 1967 - Mar Sun>=19 2:00s 1:00 BST
+Rule GB-Eire 1968 only - Feb 18 2:00s 1:00 BST
Rule GB-Eire 1972 1980 - Mar Sun>=16 2:00s 1:00 BST
# 1953 to 1980, ending rules
Rule GB-Eire 1953 1960 - Oct Sun>=1 2:00s 0 GMT
-Rule GB-Eire 1961 1967 - Oct Sun>=23 2:00s 0 GMT
-Rule GB-Eire 1971 only - Oct 31 3:00 0 GMT
+Rule GB-Eire 1961 1968 - Oct Sun>=23 2:00s 0 GMT
Rule GB-Eire 1972 1980 - Oct Sun>=23 2:00s 0 GMT
# 1981 on
Rule GB-Eire 1981 1995 - Mar lastSun 1:00u 1:00 BST
@@ -724,29 +762,30 @@ Rule GB-Eire 1990 1995 - Oct Sun>=22 1:00u 0 GMT
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Europe/London -0:01:15 - LMT 1847 Sep 22
- 0:00 GB-Eire %s 1968 Feb 18 2:00
- 1:00 - BST 1971 Oct 31 2:00
+ 0:00 GB-Eire %s 1968 Oct 27
+ 1:00 - BST 1971 Oct 31 2:00u
0:00 GB-Eire %s 1996
0:00 EU GMT/BST
Zone Europe/Belfast -0:23:40 - LMT 1880 Aug 2
-0:25:21 - DMT 1916 May 21 2:00 # Dublin MT
-0:25:21 1:00 DST 1916 Oct 1 3:00
- 0:00 GB-Eire %s 1968 Feb 18 2:00
- 1:00 - BST 1971 Oct 31 3:00
+ 0:00 GB-Eire %s 1968 Oct 27
+ 1:00 - BST 1971 Oct 31 2:00u
0:00 GB-Eire %s 1996
0:00 EU GMT/BST
Zone Europe/Dublin -0:25:21 - LMT 1880 Aug 2
-0:25:21 - DMT 1916 May 21 2:00 # Dublin MT
-0:25:21 1:00 DST 1916 Oct 1 3:00
- 0:00 GB-Eire %s 1940 Feb 25 2:00
- 0:00 1:00 BST 1946 Oct 6 2:00
+ 0:00 GB-Eire %s 1921 Dec 6
+ 0:00 GB-Eire GMT/IST 1940 Feb 25 2:00
+ 0:00 1:00 IST 1946 Oct 6 2:00
0:00 - GMT 1947 Mar 16 2:00
- 0:00 1:00 BST 1947 Nov 2 2:00
+ 0:00 1:00 IST 1947 Nov 2 2:00
0:00 - GMT 1948 Apr 18 2:00
- 0:00 GB-Eire %s 1968 Feb 18 2:00
- 1:00 - BST 1971 Oct 31 3:00
- 0:00 GB-Eire %s 1996
- 0:00 EU GMT/BST
+ 0:00 GB-Eire GMT/IST 1968 Oct 27
+ 1:00 - IST 1971 Oct 31 2:00u
+ 0:00 GB-Eire GMT/IST 1996
+ 0:00 EU GMT/IST
###############################################################################
@@ -1294,11 +1333,11 @@ Zone Atlantic/Reykjavik -1:27:24 - LMT 1837
# Italy
# From Paul Eggert (1996-05-06):
# For Italian DST we have three sources: Shanks, Whitman, and F. Pollastri
-# <http://pisolo.cstv.to.cnr.it/toi/it/ienitlt.html> (see `FP' below),
+# <URL:http://pisolo.cstv.to.cnr.it/toi/uk/ienitlt.html> (see `FP' below),
# taken from a publication of the Italian National Electrotechnical Institute.
# When the three sources disagree, guess who's right, as follows:
#
-# year FP Shanks (S) Whitman (W) Go with:
+# year FP Shanks (S) Whitman (W) Go with:
# 1916 06-03 06-03 24:00 06-03 00:00 FP & W
# 09-30 09-30 24:00 09-30 01:00 FP; guess 24:00s
# 1917 04-01 03-31 24:00 03-31 00:00 FP & S
diff --git a/time/northamerica b/time/northamerica
index 1d0342a..5771981 100644
--- a/time/northamerica
+++ b/time/northamerica
@@ -1,4 +1,4 @@
-# @(#)northamerica 7.25
+# @(#)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
@@ -463,78 +481,6 @@ Link Pacific/Honolulu 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.
-
-# 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....
@@ -567,7 +513,21 @@ Link Pacific/Honolulu HST
# From Paul Eggert <eggert@twinsun.com> (1994-11-22):
# Alas, this sort of thing must be handled by localization software.
-# From Shanks (1991):
+# The data for Canada are all from Shanks (1991).
+
+
+# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/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
@@ -606,6 +566,16 @@ 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 1916 only - Apr 1 0:00 1:00 D
Rule Halifax 1916 only - Oct 1 0:00 0 S
@@ -650,6 +620,21 @@ 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 1917 only - Mar 25 2:00 1:00 D
@@ -683,6 +668,18 @@ 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 1916 only - Apr 23 0:00 1:00 D
@@ -712,6 +709,40 @@ 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 1918 only - Apr 14 2:00 1:00 D
Rule Regina 1918 only - Oct 31 2:00 0 S
@@ -723,14 +754,29 @@ 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 1918 1919 - Apr Sun>=8 2:00 1:00 D
@@ -754,6 +800,13 @@ 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 1918 only - Apr 14 2:00 1:00 D
Rule Vanc 1918 only - Oct 31 2:00 0 S
@@ -767,23 +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 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
+
###############################################################################
@@ -868,6 +948,10 @@ Zone America/Whitehorse -9:00:12 - LMT 1900 Aug 20
# 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