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Diffstat (limited to 'contrib/tzdata/northamerica')
| -rw-r--r-- | contrib/tzdata/northamerica | 132 |
1 files changed, 97 insertions, 35 deletions
diff --git a/contrib/tzdata/northamerica b/contrib/tzdata/northamerica index 9e3577bca697..8771d96e64e8 100644 --- a/contrib/tzdata/northamerica +++ b/contrib/tzdata/northamerica @@ -406,6 +406,31 @@ Zone America/New_York -4:56:02 - LMT 1883 Nov 18 12:03:58 # From Paul Eggert (2015-12-25): # Assume this practice predates 1970, so Fort Pierre can use America/Chicago. +# From Paul Eggert (2015-04-06): +# In 1950s Nashville a public clock had dueling faces, one for conservatives +# and the other for liberals; the two sides didn't agree about the time of day. +# I haven't found a photo of this clock, nor have I tracked down the TIME +# magazine report cited below, but here's the story as told by the late +# American journalist John Seigenthaler, who was there: +# +# "The two [newspaper] owners held strongly contrasting political and +# ideological views. Evans was a New South liberal, Stahlman an Old South +# conservative, and their two papers frequently clashed editorially, often on +# the same day.... In the 1950s as the state legislature was grappling with +# the question of whether to approve daylight saving time for the entire state, +# TIME magazine reported: +# +# "'The Nashville Banner and The Nashville Tennessean rarely agree on anything +# but the time of day - and last week they couldn't agree on that.' +# +# "It was all too true. The clock on the front of the building had two faces - +# The Tennessean side of the building facing west, the other, east. When it +# was high noon Banner time, it was 11 a.m. Tennessean time." +# +# Seigenthaler J. For 100 years, Tennessean had it covered. +# The Tennessean 2007-05-11, republished 2015-04-06. +# https://www.tennessean.com/story/insider/extras/2015/04/06/archives-seigenthaler-for-100-years-the-tennessean-had-it-covered/25348545/ + # 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 @@ -945,21 +970,21 @@ Zone America/Indiana/Vincennes -5:50:07 - LMT 1883 Nov 18 12:09:53 -5:00 US E%sT # # Perry County, Indiana, switched from eastern to central time in April 2006. +# From Alois Triendl (2019-07-09): +# The Indianapolis News, Friday 27 October 1967 states that Perry County +# returned to CST. It went again to EST on 27 April 1969, as documented by the +# Indianapolis star of Saturday 26 April. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER -Rule Perry 1946 only - Apr lastSun 2:00 1:00 D -Rule Perry 1946 only - Sep lastSun 2:00 0 S -Rule Perry 1953 1954 - Apr lastSun 2:00 1:00 D -Rule Perry 1953 1959 - Sep lastSun 2:00 0 S Rule Perry 1955 only - May 1 0:00 1:00 D +Rule Perry 1955 1960 - Sep lastSun 2:00 0 S Rule Perry 1956 1963 - Apr lastSun 2:00 1:00 D -Rule Perry 1960 only - Oct lastSun 2:00 0 S -Rule Perry 1961 only - Sep lastSun 2:00 0 S -Rule Perry 1962 1963 - Oct lastSun 2:00 0 S +Rule Perry 1961 1963 - Oct lastSun 2:00 0 S # Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Indiana/Tell_City -5:47:03 - LMT 1883 Nov 18 12:12:57 -6:00 US C%sT 1946 -6:00 Perry C%sT 1964 Apr 26 2:00 - -5:00 - EST 1969 + -5:00 - EST 1967 Oct 29 2:00 + -6:00 US C%sT 1969 Apr 27 2:00 -5:00 US E%sT 1971 -5:00 - EST 2006 Apr 2 2:00 -6:00 US C%sT @@ -1035,16 +1060,27 @@ Zone America/Indiana/Vevay -5:40:16 - LMT 1883 Nov 18 12:19:44 # clear how this matched civil time in Louisville, so for now continue # to assume Louisville switched at noon new local time, like New York. # +# From Michael Deckers (2019-08-06): +# From the contemporary source given by Alois Treindl, +# the switch in Louisville on 1946-04-28 was on 00:01 +# From Paul Eggert (2019-08-26): +# That source was the Louisville Courier-Journal, 1946-04-27, p 4. +# Shanks gives 02:00 for all 20th-century transition times in Louisville. +# Evidently this is wrong for spring 1946. Although also likely wrong +# for other dates, we have no data. +# # Part of Kentucky left its clocks alone in 1974. # This also includes Clark, Floyd, and Harrison counties in Indiana. # 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 - Apr lastSun 2:00 1:00 D Rule Louisville 1941 only - Sep lastSun 2:00 0 S +Rule Louisville 1946 only - Apr lastSun 0:01 1:00 D Rule Louisville 1946 only - Jun 2 2:00 0 S +Rule Louisville 1950 1961 - Apr lastSun 2:00 1:00 D Rule Louisville 1950 1955 - Sep lastSun 2:00 0 S -Rule Louisville 1956 1960 - Oct lastSun 2:00 0 S +Rule Louisville 1956 1961 - Oct lastSun 2:00 0 S # Zone NAME STDOFF RULES FORMAT [UNTIL] Zone America/Kentucky/Louisville -5:43:02 - LMT 1883 Nov 18 12:16:58 -6:00 US C%sT 1921 @@ -1134,18 +1170,19 @@ Zone America/Kentucky/Monticello -5:39:24 - LMT 1883 Nov 18 12:20:36 # one hour in 1914." This change is not in Shanks. We have no more # info, so omit this for now. # -# From Paul Eggert (2017-07-26): -# Although Shanks says Detroit observed DST in 1967 from 06-14 00:01 -# until 10-29 00:01, I now see multiple reports that this is incorrect. -# For example, according to a 50-year anniversary report about the 1967 -# Detroit riots and a major-league doubleheader on 1967-07-23, "By the time -# the last fly ball of the doubleheader settled into the glove of leftfielder -# Lenny Green, it was after 7 p.m. Detroit did not observe daylight saving -# time, so light was already starting to fail. Twilight was made even deeper -# by billowing columns of smoke that ascended in an unbroken wall north of the -# ballpark." See: Dow B. Detroit '67: As violence unfolded, Tigers played two -# at home vs. Yankees. Detroit Free Press 2017-07-23. -# https://www.freep.com/story/sports/mlb/tigers/2017/07/23/detroit-tigers-1967-riot-new-york-yankees/499951001/ +# From Paul Eggert (2019-07-06): +# Due to a complicated set of legal maneuvers, in 1967 Michigan did +# not start daylight saving time when the rest of the US did. +# Instead, it began DST on Jun 14 at 00:01. This was big news: +# the Detroit Free Press reported it at the top of Page 1 on +# 1967-06-14, in an article "State Adjusting to Switch to Fast Time" +# by Gary Blonston, above an article about Thurgood Marshall's +# confirmation to the US Supreme Court. Although Shanks says Detroit +# observed DST until 1967-10-29 00:01, that time of day seems to be +# incorrect, as the Free Press later said DST ended in Michigan at the +# same time as the rest of the US. Also, although Shanks reports no DST in +# Detroit in 1968, it did observe DST that year; in the November 1968 +# election Michigan voters narrowly repealed DST, effective 1969. # # 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 @@ -1156,7 +1193,9 @@ 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 Detroit E%sT 1967 Jun 14 0:01 + -5:00 US E%sT 1969 + -5:00 - EST 1973 -5:00 US E%sT 1975 -5:00 - EST 1975 Apr 27 2:00 -5:00 US E%sT @@ -1205,6 +1244,12 @@ Zone America/Menominee -5:50:27 - LMT 1885 Sep 18 12:00 # # Other sources occasionally used include: # +# Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94 +# <https://www.jstor.org/stable/1774359>. +# +# Pearce C. The Great Daylight Saving Time Controversy. +# Australian Ebook Publisher. 2017. ISBN 978-1-925516-96-8. +# # Edward W. Whitman, World Time Differences, # Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), # which I found in the UCLA library. @@ -1213,9 +1258,6 @@ Zone America/Menominee -5:50:27 - LMT 1885 Sep 18 12:00 # <http://cs.ucla.edu/~eggert/The-Waste-of-Daylight-19th.pdf> # [PDF] (1914-03) # -# Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94 -# <https://www.jstor.org/stable/1774359>. -# # See the 'europe' file for Greenland. # Canada @@ -1857,9 +1899,8 @@ Zone America/Winnipeg -6:28:36 - LMT 1887 Jul 16 # Willett (1914-03) notes that DST "has been in operation ... in the # City of Moose Jaw, Saskatchewan, for one year." -# From Paul Eggert (2019-04-26): -# Chris Pearce's book "The Great Daylight Saving Time Controversy" (2017) -# says that Regina observed DST in 1914-1917. No dates and times, +# From Paul Eggert (2019-07-25): +# Pearce's book says Regina observed DST in 1914-1917. No dates and times, # unfortunately. It also says that in 1914 Saskatoon observed DST # from 1 June to 6 July, and that DST was also tried out in Davidson, # Melfort, and Prince Albert. @@ -1939,6 +1980,19 @@ Zone America/Swift_Current -7:11:20 - LMT 1905 Sep # Alberta +# From Alois Triendl (2019-07-19): +# There was no DST in Alberta in 1967... Calgary Herald, 29 April 1967. +# 1969, no DST, from Edmonton Journal 18 April 1969 +# +# From Paul Eggert (2019-07-25): +# Pearce's book says that Alberta's 1948 Daylight Saving Act required +# Mountain Standard Time without DST, and that "anyone who broke that law +# could be fined up to $25 and costs". There seems to be no record of +# anybody paying the fine. The law was not changed until an August 1971 +# plebiscite reinstituted DST in 1972. This story is also mentioned in: +# Boyer JP. Forcing Choice: The Risky Reward of Referendums. Dundum. 2017. +# ISBN 978-1459739123. + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Edm 1918 1919 - Apr Sun>=8 2:00 1:00 D Rule Edm 1918 only - Oct 27 2:00 0 S @@ -1951,10 +2005,6 @@ Rule Edm 1945 only - Aug 14 23:00u 1:00 P # Peace Rule Edm 1945 only - Sep lastSun 2:00 0 S Rule Edm 1947 only - Apr lastSun 2:00 1:00 D Rule Edm 1947 only - Sep lastSun 2:00 0 S -Rule Edm 1967 only - Apr lastSun 2:00 1:00 D -Rule Edm 1967 only - Oct lastSun 2:00 0 S -Rule Edm 1969 only - Apr lastSun 2:00 1:00 D -Rule Edm 1969 only - Oct lastSun 2:00 0 S Rule Edm 1972 1986 - Apr lastSun 2:00 1:00 D Rule Edm 1972 2006 - Oct lastSun 2:00 0 S # Zone NAME STDOFF RULES FORMAT [UNTIL] @@ -2037,8 +2087,20 @@ Zone America/Edmonton -7:33:52 - LMT 1906 Sep # been on MST (-0700) like Dawson Creek since it advanced its clocks on # 2015-03-08. # -# From Paul Eggert (2015-09-23): +# From Paul Eggert (2019-07-25): # Shanks says Fort Nelson did not observe DST in 1946, unlike Vancouver. +# Alois Triendl confirmed this on 07-22, citing the 1946-04-27 Vancouver Daily +# Province. He also cited the 1946-09-28 Victoria Daily Times, which said +# that Vancouver, Victoria, etc. "change at midnight Saturday"; for now, +# guess they meant 02:00 Sunday since 02:00 was common practice in Vancouver. +# +# Early Vancouver, Volume Four, by Major J.S. Matthews, V.D., 2011 edition +# says that a 1922 plebiscite adopted DST, but a 1923 plebiscite rejected it. +# http://former.vancouver.ca/ctyclerk/archives/digitized/EarlyVan/SearchEarlyVan/Vol4pdf/MatthewsEarlyVancouverVol4_DaylightSavings.pdf +# A catalog entry for a newspaper clipping seems to indicate that Vancouver +# observed DST in 1941 from 07-07 through 09-27; see +# https://searcharchives.vancouver.ca/daylight-saving-1918-starts-again-july-7-1941-start-d-s-sept-27-end-of-d-s-1941 +# We have no further details, so omit them for now. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Vanc 1918 only - Apr 14 2:00 1:00 D @@ -2047,7 +2109,7 @@ Rule Vanc 1942 only - Feb 9 2:00 1:00 W # War Rule Vanc 1945 only - Aug 14 23:00u 1:00 P # Peace Rule Vanc 1945 only - Sep 30 2:00 0 S Rule Vanc 1946 1986 - Apr lastSun 2:00 1:00 D -Rule Vanc 1946 only - Oct 13 2:00 0 S +Rule Vanc 1946 only - Sep 29 2:00 0 S Rule Vanc 1947 1961 - Sep lastSun 2:00 0 S Rule Vanc 1962 2006 - Oct lastSun 2:00 0 S # Zone NAME STDOFF RULES FORMAT [UNTIL] |