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Eggert fixes
SCCS-file: northamerica SCCS-SID: 7.26
This commit is contained in:
Arthur David Olson
committed by
Paul Eggert
Paul Eggert
parent
ddc6fd922f
commit
ff2bea583e
268
northamerica
268
northamerica
@ -21,6 +21,24 @@
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# Make sure you have the errata sheet; the book is somewhat useless without it.
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# It is the source for the US and Puerto Rico entries below.
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# From Paul Eggert (1996-06-12):
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# Daylight Saving Time was first suggested as a joke by Benjamin Franklin
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# in his whimsical essay ``Turkey vs Eagle, McCauley is my Beagle'' (1784).
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# Not everyone is happy with the results:
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#
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# I don't really care how time is reckoned so long as there is some
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# agreement about it, but I object to being told that I am saving
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# daylight when my reason tells me that I am doing nothing of the kind.
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# I even object to the implication that I am wasting something
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# valuable if I stay in bed after the sun has risen. As an admirer
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# of moonlight I resent the bossy insistence of those who want to
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# reduce my time for enjoying it. At the back of the Daylight Saving
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# scheme I detect the bony, blue-fingered hand of Puritanism, eager
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# to push people into bed earlier, and get them up earlier, to make
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# them healthy, wealthy and wise in spite of themselves.
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#
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# -- Robertson Davies, The Diary of Samuel Marchbanks (1947), XIX, Sunday
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# From Arthur David Olson:
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# US Daylight Saving Time ended on the last Sunday of *October* in 1974.
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# See, for example, the front page of the Saturday, October 26, 1974
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@ -463,78 +481,6 @@ Link Pacific/Honolulu HST
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# Canada
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# Canada is reportedly lots easier than the US--leastways since 1951.
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# I don't know what they did before then.
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# 4.3BSD claims that it's perfectly regular.
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# According to a posting in "comp.bugs.misc", "comp.unix.wizards", etc.
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# on February 8, 1987, by Dave Sherman of the Law Society of Upper Canada,
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# "...Canada (well, Ontario and at least some of the other provinces) are
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# adopting the new daylight savings time rules...". We assume all of
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# Canada is doing so.
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# From Bob Devine (January 28, 1988):
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# All of Canada did have DST from your first rule except Saskatchewan.
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# Which parts did not observe DST is hard to pinpoint but most of the
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# province follows the rules.
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# NOTE: those that didn't have DST for that rule, also
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# probably did not have it for several years previous.
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# From U. S. Naval Observatory (January 19, 1989):
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# CANADA NEW FDL 3.5H BEHIND UTC ST.JOHN'S
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# CANADA NEW FDL 1.5H BEHIND UTC APR 3 - OCT 29
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# CANADA ATLANTIC 4 H BEHIND UTC HALIFAX
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# CANADA ATLANTIC 3 H BEHIND UTC APR 3 - OCT 29
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# CANADA EASTERN 5 H BEHIND UTC TORONTO, MONTREAL, OTTAWA
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# CANADA EASTERN 4 H BEHIND UTC APR 3 - OCT 29
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# CANADA CENTRAL 6 H BEHIND UTC REGINA, WINNIPEG
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# CANADA CENTRAL 5 H BEHIND UTC APR 3 - OCT 29
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# CANADA MOUNTAIN 7 H BEHIND UTC CALGARY, EDMONTON
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# CANADA MOUNTAIN 6 H BEHIND UTC APR 3 - OCT 29
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# CANADA PACIFIC 8 H BEHIND UTC VANCOUVER
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# CANADA PACIFIC 7 H BEHIND UTC APR 3 - OCT 29
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# CANADA YUKON SAME AS PACIFIC DAWSON
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# From Arthur David Olson (January 21, 1989):
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# April 3 fell on a Sunday in 1988; October 29 fell on a Sunday in 1989. Ahem.
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# Note claim that there's double DST in Newfoundland and that Yukon should
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# be same as Pacific.
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# From W. Jones (jones@skdad.usask.ca) (November 6, 1992):
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# The. . .below is based on information I got from our law library, the
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# provincial archives, and the provincial Community Services department.
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# A precise history would require digging through newspaper archives, and
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# since you didn't say what you wanted, I didn't bother.
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#
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# Saskatchewan is split by a time zone meridian (105W) and over the years
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# the boundary became pretty ragged as communities near it reevaluated
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# their affiliations in one direction or the other. In 1965 a provincial
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# referendum favoured legislating common time practices.
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#
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# On 15 April 1966 the Time Act (c. T-14, Revised Statutes of
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# Saskatchewan 1978) was proclaimed, and established that the eastern
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# part of Saskatchewan would use CST year round, that districts in
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# northwest Saskatchewan would by default follow CST but could opt to
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# follow Mountain Time rules (thus 1 hour difference in the winter and
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# zero in the summer), and that districts in southwest Saskatchewan would
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# by default follow MT but could opt to follow CST.
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#
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# It took a few years for the dust to settle (I know one story of a town
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# on one time zone having its school in another, such that a mom had to
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# serve her family lunch in two shifts), but presently it seems that only
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# a few towns on the border with Alberta (e.g. Lloydminster) follow MT
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# rules any more; all other districts appear to have used CST year round
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# since sometime in the 1960s.
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#
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# Here's how I would summarize things. Establish a "Saskatchewan" CST
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# time zone, and note that it officially exists as of 15 April 1966. Any
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# current exceptions can put themselves in the "Mountain" zone, since
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# those are the rules they follow. Any past exceptions can be forgotten,
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# since that's what those who live here have done.
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# From Arthur David Olson (November 21, 1992):
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# East-Saskatchewan kept to avoid problems for folks using that zone by name;
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# plain Saskatchewan added.
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# From Alain LaBont<e'> <ALB@immedia.ca> (1994-11-14):
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# I post here the time zone abbreviations standardized in Canada
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# for both English and French in the CAN/CSA-Z234.4-89 standard....
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@ -567,7 +513,21 @@ Link Pacific/Honolulu HST
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# From Paul Eggert <eggert@twinsun.com> (1994-11-22):
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# Alas, this sort of thing must be handled by localization software.
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# From Shanks (1991):
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# The data for Canada are all from Shanks (1991).
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# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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Rule Canada 1918 only - Apr 14 2:00 1:00 D
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Rule Canada 1918 only - Oct 31 2:00 0 S
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Rule Canada 1942 only - Feb 9 2:00 1:00 D
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Rule Canada 1945 only - Sep 30 2:00 0 S
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Rule Canada 1974 1986 - Apr lastSun 2:00 1:00 D
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Rule Canada 1974 max - Oct lastSun 2:00 0 S
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Rule Canada 1987 max - Apr Sun>=1 2:00 1:00 D
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# Newfoundland
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# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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Rule StJohns 1917 1918 - Apr Sun>=8 2:00 1:00 D
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Rule StJohns 1917 only - Sep 17 2:00 0 S
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@ -606,6 +566,16 @@ Zone America/St_Johns -3:30:52 - LMT 1884
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-3:31 StJohns N%sT 1935 Mar 30
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-3:30 StJohns N%sT
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# Labrador, New Brunswick, Nova Scotia, Prince Edward I
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# From Paul Eggert (1996-06-12):
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# Shanks writes that since 1970 most of this region has been like Halifax.
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# Many locales did not observe peacetime DST until 1972;
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# Glace Bay, NS is the largest that we know of.
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# Shanks also writes that Liverpool, NS was the only town in Canada to observe
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# DST in 1971 but not 1970; for now we'll assume this is a typo.
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# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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Rule Halifax 1916 only - Apr 1 0:00 1:00 D
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Rule Halifax 1916 only - Oct 1 0:00 0 S
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@ -650,6 +620,21 @@ Rule Halifax 1987 max - Apr Sun>=1 2:00 1:00 D
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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Zone America/Halifax -4:14:24 - LMT 1902 Jun 15
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-4:00 Halifax A%sT
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Zone America/Glace_Bay -3:59:48 - LMT 1902 Jun 15
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-4:00 Canada A%sT 1953
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-4:00 Halifax A%sT 1954
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-4:00 - AST 1972
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-4:00 Halifax A%sT
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# Ontario, Quebec
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# From Paul Eggert (1996-06-12):
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# Shanks writes that since 1970 most of this region has been like Montreal.
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# Thunder Bay skipped DST in 1973.
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# Many smaller locales did not observe peacetime DST until 1974;
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# Nipigon (EST) and Rainy River (CST) are the largest that we know of.
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# Far west Ontario is like Winnipeg; far east Quebec is like Halifax.
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# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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Rule Mont 1917 only - Mar 25 2:00 1:00 D
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@ -683,6 +668,18 @@ Rule Mont 1987 max - Apr Sun>=1 2:00 1:00 D
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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Zone America/Montreal -4:54:16 - LMT 1884
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-5:00 Mont E%sT
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Zone America/Thunder_Bay -5:57:00 - LMT 1895
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-5:00 Canada E%sT 1970
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-5:00 Mont E%sT 1973
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-5:00 - EST 1974
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-5:00 Canada E%sT
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Zone America/Nipigon -5:53:04 - LMT 1895
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-5:00 Canada E%sT
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Zone America/Rainy_River -6:17:56 - LMT 1895
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-6:00 Canada C%sT
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# Manitoba
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# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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Rule Winn 1916 only - Apr 23 0:00 1:00 D
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@ -712,6 +709,40 @@ Rule Winn 1987 max - Apr Sun>=1 2:00 1:00 D
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Zone America/Winnipeg -6:28:36 - LMT 1887 Jul 16
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-6:00 Winn C%sT
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# Saskatchewan
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# From Paul Eggert (1996-06-12):
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# Shanks writes that since 1970 most of this region has been like Regina.
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# Some western towns (e.g. Swift Current) switched from MST/MDT to CST in 1972.
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# Other western towns (e.g. Lloydminster) are like Edmonton.
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# From W. Jones <jones@skdad.usask.ca> (November 6, 1992):
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# The. . .below is based on information I got from our law library, the
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# provincial archives, and the provincial Community Services department.
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# A precise history would require digging through newspaper archives, and
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# since you didn't say what you wanted, I didn't bother.
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#
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# Saskatchewan is split by a time zone meridian (105W) and over the years
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# the boundary became pretty ragged as communities near it reevaluated
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# their affiliations in one direction or the other. In 1965 a provincial
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# referendum favoured legislating common time practices.
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#
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# On 15 April 1966 the Time Act (c. T-14, Revised Statutes of
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# Saskatchewan 1978) was proclaimed, and established that the eastern
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# part of Saskatchewan would use CST year round, that districts in
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# northwest Saskatchewan would by default follow CST but could opt to
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# follow Mountain Time rules (thus 1 hour difference in the winter and
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# zero in the summer), and that districts in southwest Saskatchewan would
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# by default follow MT but could opt to follow CST.
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#
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# It took a few years for the dust to settle (I know one story of a town
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# on one time zone having its school in another, such that a mom had to
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# serve her family lunch in two shifts), but presently it seems that only
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# a few towns on the border with Alberta (e.g. Lloydminster) follow MT
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# rules any more; all other districts appear to have used CST year round
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# since sometime in the 1960s.
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# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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Rule Regina 1918 only - Apr 14 2:00 1:00 D
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Rule Regina 1918 only - Oct 31 2:00 0 S
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@ -723,14 +754,29 @@ Rule Regina 1938 only - Oct Sun>=1 0:00 0 S
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Rule Regina 1939 1941 - Oct Sun>=8 0:00 0 S
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Rule Regina 1942 only - Feb 9 2:00 1:00 D
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Rule Regina 1945 only - Sep lastSun 2:00 0 S
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Rule Regina 1946 only - Apr 14 2:00 1:00 D
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Rule Regina 1946 only - Oct 13 2:00 0 S
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Rule Regina 1947 1960 - Apr lastSun 2:00 1:00 D
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Rule Regina 1947 1959 - Sep lastSun 2:00 0 S
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Rule Regina 1946 only - Apr Sun>=8 2:00 1:00 D
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Rule Regina 1946 only - Oct Sun>=8 2:00 0 S
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Rule Regina 1947 1959 - Apr lastSun 2:00 1:00 D
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Rule Regina 1947 1958 - Sep lastSun 2:00 0 S
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Rule Regina 1959 only - Oct lastSun 2:00 0 S
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#
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Rule Swift 1957 only - Apr lastSun 2:00 1:00 D
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Rule Swift 1957 only - Oct lastSun 2:00 0 S
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Rule Swift 1959 1961 - Apr lastSun 2:00 1:00 D
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Rule Swift 1959 only - Oct lastSun 2:00 0 S
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Rule Swift 1960 1961 - Sep lastSun 2:00 0 S
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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Zone America/Regina -6:58:36 - LMT 1905 Sep
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-7:00 Regina M%sT 1966 Apr 15
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Zone America/Regina -6:58:36 - LMT 1905 Sep
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-7:00 Regina M%sT 1960 Apr lastSun 2:00
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-6:00 - CST
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Zone America/Swift_Current -7:11:20 - LMT 1905 Sep
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-7:00 Canada M%sT 1946 Apr lastSun 2:00
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-7:00 Regina M%sT 1950
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-7:00 Swift M%sT 1972 Apr lastSun 2:00
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-6:00 - CST
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# Alberta
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# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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Rule Edm 1918 1919 - Apr Sun>=8 2:00 1:00 D
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@ -754,6 +800,13 @@ Rule Edm 1987 max - Apr Sun>=1 2:00 1:00 D
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Zone America/Edmonton -7:33:52 - LMT 1906 Sep
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-7:00 Edm M%sT
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# British Columbia
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# From Paul Eggert (1996-06-12):
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# Shanks writes that since 1970 most of this region has been like Vancouver.
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# Dawswon Creek uses MST. Much of east BC is like Edmonton.
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# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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Rule Vanc 1918 only - Apr 14 2:00 1:00 D
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Rule Vanc 1918 only - Oct 31 2:00 0 S
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@ -767,23 +820,50 @@ Rule Vanc 1987 max - Apr Sun>=1 2:00 1:00 D
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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Zone America/Vancouver -8:12:28 - LMT 1884
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-8:00 Vanc P%sT
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Zone America/Dawson_Creek -8:00:56 - LMT 1884
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-8:00 Canada P%sT 1947
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-8:00 Vanc P%sT 1972 Aug 30 2:00
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-7:00 - MST
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# Northwest Territories, Yukon
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# From Paul Eggert (1996-06-12):
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# Dawson switched to PST in 1973. Inuvik switched to MST in 1979.
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# Shanks's table for Watson Lake is corrupted, so we have no data there.
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# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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Rule Yukon 1918 only - Apr 14 2:00 1:00 D
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Rule Yukon 1918 only - Oct 27 2:00 0 S
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Rule Yukon 1919 only - May 25 2:00 1:00 D
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Rule Yukon 1919 only - Nov 1 0:00 0 S
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Rule Yukon 1942 only - Feb 9 2:00 1:00 D
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Rule Yukon 1965 only - Apr 25 0:00 1:00 D
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Rule Yukon 1965 only - Oct 31 2:00 0 S
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Rule Yukon 1980 1986 - Apr lastSun 2:00 1:00 D
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Rule Yukon 1980 max - Oct lastSun 2:00 0 S
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Rule Yukon 1987 max - Apr Sun>=1 2:00 1:00 D
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Rule NT_YK 1918 only - Apr 14 2:00 1:00 D
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Rule NT_YK 1918 only - Oct 27 2:00 0 S
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Rule NT_YK 1919 only - May 25 2:00 1:00 D
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Rule NT_YK 1919 only - Nov 1 0:00 0 S
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Rule NT_YK 1942 only - Feb 9 2:00 1:00 D
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Rule NT_YK 1945 only - Sep 30 2:00 0 S
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# 0:00 ??
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Rule NT_YK 1965 only - Apr lastSun 0:00 2:00 DD
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Rule NT_YK 1965 only - Oct lastSun 2:00 0 S
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Rule NT_YK 1980 1986 - Apr lastSun 2:00 1:00 D
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Rule NT_YK 1980 max - Oct lastSun 2:00 0 S
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Rule NT_YK 1987 max - Apr Sun>=1 2:00 1:00 D
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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Zone America/Pangnirtung -4:22:56 - LMT 1884
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-4:00 NT_YK A%sT
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Zone America/Iqaluit -4:33:52 - LMT 1884 # Frobisher Bay
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-5:00 NT_YK E%sT
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Zone America/Rankin_Inlet -6:08:40 - LMT 1884
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-6:00 NT_YK C%sT
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Zone America/Yellowknife -7:37:24 - LMT 1884
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-7:00 NT_YK M%sT
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Zone America/Inuvik -8:54:00 - LMT 1884
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-8:00 NT_YK P%sT 1979 Apr lastSun 2:00
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-7:00 NT_YK M%sT
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Zone America/Whitehorse -9:00:12 - LMT 1900 Aug 20
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-9:00 Yukon Y%sT 1966 Jul
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-8:00 Yukon P%sT
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# Parts of Yukon (e.g. Dawson) didn't switch to -8:00 until 1973 Oct 28.
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-9:00 NT_YK Y%sT 1966 Jul 1 2:00
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-8:00 NT_YK P%sT
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Zone America/Dawson -9:17:40 - LMT 1900 Aug 20
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-9:00 NT_YK Y%sT 1973 Oct lastSun 2:00
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-8:00 NT_YK P%sT
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###############################################################################
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@ -868,6 +948,10 @@ Zone America/Whitehorse -9:00:12 - LMT 1900 Aug 20
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# The Decree was published in Mexico's Official Newspaper on January 4th.
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#
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# -------------- End Forwarded Message --------------
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# From Paul Eggert (1996-06-12):
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# For an English translation of the decree,
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# see ``Diario Oficial: Time Zone Changeover'',
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# <URL:http://mexico-travel.com/extra/timezone_eng.html> (1996-01-04).
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# From Shanks (1991):
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# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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