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make/data/tzdata/northamerica

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@@ -107,11 +107,11 @@
 #          Clarke, Irwin (1947), XIX, Sunday
 #
 # For more about the first ten years of DST in the United States, see
 # Robert Garland, Ten years of daylight saving from the Pittsburgh standpoint
 # (Carnegie Library of Pittsburgh, 1927).
-# http://www.clpgh.org/exhibit/dst.html
+# https://web.archive.org/web/20160517155308/http://www.clpgh.org/exhibit/dst.html
 #
 # Shanks says that DST was called "War Time" in the US in 1918 and 1919.
 # However, DST was imposed by the Standard Time Act of 1918, which
 # was the first nationwide legal time standard, and apparently
 # time was just called "Standard Time" or "Daylight Saving Time".

@@ -1491,11 +1491,12 @@
                         -3:30   StJohns N%sT    1966 Mar 15  2:00
                         -4:00   StJohns A%sT    2011 Nov
                         -4:00   Canada  A%sT
 
 
-# west Labrador, Nova Scotia, Prince Edward I
+# west Labrador, Nova Scotia, Prince Edward I,
+# Îles-de-la-Madeleine, Listuguj reserve
 
 # From Brian Inglis (2015-07-20):
 # From the historical weather station records available at:
 # https://weatherspark.com/history/28351/1971/Sydney-Nova-Scotia-Canada
 # Sydney shares the same time history as Glace Bay, so was

@@ -1510,10 +1511,17 @@
 # (Glace Bay was perhaps not the best name choice but no point changing now).
 # Shanks & Pottenger also write 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.
 
+# From Jeffery Nichols (2020-01-09):
+# America/Halifax ... also applies to Îles-de-la-Madeleine and the Listuguj
+# reserve in Quebec. Officially, this came into effect on January 1, 2007
+# (Legal Time Act, CQLR c T-5.1), but the legislative debates surrounding that
+# bill say that it is "accommodating the customs and practices" of those
+# regions, which suggests that they have always been in-line with Halifax.
+
 # 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
 Rule    Halifax 1920    only    -       May      9      0:00    1:00    D
 Rule    Halifax 1920    only    -       Aug     29      0:00    0       S

@@ -1603,23 +1611,24 @@
                         -4:00   Moncton A%sT    2007
                         -4:00   Canada  A%sT
 
 # Quebec
 
-# From Paul Eggert (2015-03-24):
+# From Paul Eggert (2020-01-10):
 # See America/Toronto for most of Quebec, including Montreal.
+# See America/Halifax for the Îles de la Madeleine and the Listuguj reserve.
 #
 # Matthews and Vincent (1998) also write that Quebec east of the -63
 # meridian is supposed to observe AST, but residents as far east as
 # Natashquan use EST/EDT, and residents east of Natashquan use AST.
 # The Quebec department of justice writes in
 # "The situation in Minganie and Basse-Côte-Nord"
-# http://www.justice.gouv.qc.ca/english/publications/generale/temps-minganie-a.htm
+# https://www.justice.gouv.qc.ca/en/department/ministre/functions-and-responsabilities/legal-time-in-quebec/the-situation-in-minganie-and-basse-cote-nord/
 # that the coastal strip from just east of Natashquan to Blanc-Sablon
 # observes Atlantic standard time all year round.
-# https://www.assnat.qc.ca/Media/Process.aspx?MediaId=ANQ.Vigie.Bll.DocumentGenerique_8845en
-# says this common practice was codified into law as of 2007.
+# This common practice was codified into law as of 2007; see Legal Time Act,
+# CQLR c T-5.1 <http://legisquebec.gouv.qc.ca/en/ShowDoc/cs/T-5.1>.
 # For lack of better info, guess this practice began around 1970, contra to
 # Shanks & Pottenger who have this region observing AST/ADT.
 
 # Zone  NAME            STDOFF  RULES   FORMAT  [UNTIL]
 Zone America/Blanc-Sablon -3:48:28 -    LMT     1884

@@ -1634,10 +1643,19 @@
 # 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.
 
+# From Jeffery Nichols (2020-02-06):
+# According to the [Shanks] atlas, those western Ontario zones are huge,
+# covering most of Ontario northwest of Sault Ste Marie and Timmins.
+# The zones seem to include towns bigger than the ones they're named after,
+# like Dryden in America/Rainy_River and Wawa (and maybe Attawapiskat) in
+# America/Nipigon.  I assume it's too much trouble to change the name of the
+# zone (like when you found out that America/Glace_Bay includes Sydney, Nova
+# Scotia)....
+
 # From Mark Brader (2003-07-26):
 # [According to the Toronto Star] Orillia, Ontario, adopted DST
 # effective Saturday, 1912-06-22, 22:00; the article mentions that
 # Port Arthur (now part of Thunder Bay, Ontario) as well as Moose Jaw
 # have already done so.  In Orillia DST was to run until Saturday,

@@ -2440,10 +2458,22 @@
 # If I had realized the Stephanie did not live in Resolute Bay I would
 # never have contacted her.  I now believe that all the information I
 # obtained in November 2008 should be ignored...
 # I apologize for reporting incorrect information in 2008.
 
+# From Tim Parenti (2020-03-05):
+# The government of Yukon announced [yesterday] the cessation of seasonal time
+# changes.  "After clocks are pushed ahead one hour on March 8, the territory
+# will remain on [UTC-07].  ... [The government] found 93 per cent of
+# respondents wanted to end seasonal time changes and, of that group, 70 per
+# cent wanted 'permanent Pacific Daylight Saving Time.'"
+# https://www.cbc.ca/news/canada/north/yukon-end-daylight-saving-time-1.5486358
+#
+# Although the government press release prefers PDT, we prefer MST for
+# consistency with nearby Dawson Creek, Creston, and Fort Nelson.
+# https://yukon.ca/en/news/yukon-end-seasonal-time-change
+
 # Rule  NAME    FROM    TO      TYPE    IN      ON      AT      SAVE    LETTER/S
 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

@@ -2494,15 +2524,17 @@
                         -7:00   NT_YK   M%sT    1980
                         -7:00   Canada  M%sT
 Zone America/Whitehorse -9:00:12 -      LMT     1900 Aug 20
                         -9:00   NT_YK   Y%sT    1967 May 28  0:00
                         -8:00   NT_YK   P%sT    1980
-                        -8:00   Canada  P%sT
+                        -8:00   Canada  P%sT    2020 Mar  8  2:00
+                        -7:00   -       MST
 Zone America/Dawson     -9:17:40 -      LMT     1900 Aug 20
                         -9:00   NT_YK   Y%sT    1973 Oct 28  0:00
                         -8:00   NT_YK   P%sT    1980
-                        -8:00   Canada  P%sT
+                        -8:00   Canada  P%sT    2020 Mar  8  2:00
+                        -7:00   -       MST
 
 
 ###############################################################################
 
 # Mexico
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