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Whitehorse switched to UTC-8 on 1967-05-28

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* northamerica (America/Whitehorse):
The switch from UTC-9 to UTC-8 was on 1967-05-28, not 1966-07-01.
(Thanks to Brian Inglis and Dennis Ferguson.)
* NEWS: Document this.
This commit is contained in:
Paul Eggert
2015-04-17 19:10:32 -07:00
parent a0ec682707
commit 155c8a6d99
2 changed files with 18 additions and 5 deletions
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10
NEWS
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@ -2,6 +2,12 @@ News for the tz database
Unreleased, experimental changes
Changes affecting past time stamps
America/Whitehorse switched from UTC-9 to UTC-8 on 1967-05-28, not
1966-07-01. Also, Yukon's time zone history is documented better.
(Thanks to Brian Inglis and Dennis Ferguson.)
Change affecting past and future time zone abbreviations
The abbreviations for Hawaii-Aleutian standard and daylight times
@ -9,10 +15,6 @@ Unreleased, experimental changes
Printing Office style. This affects only America/Adak since 1983,
as America/Honolulu was already using the new style.
Changes affecting commentary
Yukon's time zone history is documented better. (Thanks to Brian Inglis.)
Release 2015c - 2015-04-11 08:55:55 -0700

13
northamerica
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@ -1842,6 +1842,17 @@ Zone America/Creston -7:46:04 - LMT 1884
# Northwest Territories, Nunavut, Yukon
# From Paul Eggert (2006-03-22):
# Dawson switched to PST in 1973. Inuvik switched to MST in 1979.
# Mathew Englander (1996-10-07) gives the following refs:
# * 1967. Paragraph 28(34)(g) of the Interpretation Act, S.C. 1967-68,
# c. 7 defines Yukon standard time as UTC-9....
# see Interpretation Act, R.S.C. 1985, c. I-21, s. 35(1).
# [http://canlii.ca/t/7vhg]
# * C.O. 1973/214 switched Yukon to PST on 1973-10-28 00:00.
# * O.I.C. 1980/02 established DST.
# * O.I.C. 1987/056 changed DST to Apr firstSun 2:00 to Oct lastSun 2:00.
# From Brian Inglis (2015-04-14):
#
# I tried to trace the history of Yukon time and found the following
@ -2169,7 +2180,7 @@ Zone America/Inuvik 0 - zzz 1953 # Inuvik founded
-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 1966 Jul 1 2:00
-9:00 NT_YK Y%sT 1967 May 28 0:00
-8:00 NT_YK P%sT 1980
-8:00 Canada P%sT
Zone America/Dawson -9:17:40 - LMT 1900 Aug 20