diff --git a/contrib/tzdata/australasia b/contrib/tzdata/australasia index 2c8f7dbfe36c..57e8335517c0 100644 --- a/contrib/tzdata/australasia +++ b/contrib/tzdata/australasia @@ -1,5 +1,5 @@ #
-# @(#)australasia 8.20 +# @(#)australasia 8.22 # This file is in the public domain, so clarified as of # 2009-05-17 by Arthur David Olson. @@ -84,14 +84,13 @@ Rule AS 1986 only - Oct 19 2:00s 1:00 - Rule AS 1987 2007 - Oct lastSun 2:00s 1:00 - Rule AS 1972 only - Feb 27 2:00s 0 - Rule AS 1973 1985 - Mar Sun>=1 2:00s 0 - -Rule AS 1986 1989 - Mar Sun>=15 2:00s 0 - -Rule AS 1990 only - Mar Sun>=18 2:00s 0 - -Rule AS 1991 only - Mar Sun>=1 2:00s 0 - -Rule AS 1992 only - Mar Sun>=18 2:00s 0 - -Rule AS 1993 only - Mar Sun>=1 2:00s 0 - -Rule AS 1994 only - Mar Sun>=18 2:00s 0 - +Rule AS 1986 1990 - Mar Sun>=15 2:00s 0 - +Rule AS 1991 only - Mar 3 2:00s 0 - +Rule AS 1992 only - Mar 22 2:00s 0 - +Rule AS 1993 only - Mar 7 2:00s 0 - +Rule AS 1994 only - Mar 20 2:00s 0 - Rule AS 1995 2005 - Mar lastSun 2:00s 0 - -Rule AS 2006 only - Apr Sun>=1 2:00s 0 - +Rule AS 2006 only - Apr 2 2:00s 0 - Rule AS 2007 only - Mar lastSun 2:00s 0 - Rule AS 2008 max - Apr Sun>=1 2:00s 0 - Rule AS 2008 max - Oct Sun>=1 2:00s 1:00 - diff --git a/contrib/tzdata/northamerica b/contrib/tzdata/northamerica index 7dfd064f23ff..563c9a2419b4 100644 --- a/contrib/tzdata/northamerica +++ b/contrib/tzdata/northamerica @@ -1,5 +1,5 @@ #-# @(#)northamerica 8.34 +# %W% # This file is in the public domain, so clarified as of # 2009-05-17 by Arthur David Olson. @@ -471,20 +471,50 @@ Zone America/Adak 12:13:21 - LMT 1867 Oct 18 # three votes for and one against." # Hawaii + +# From Arthur David Olson (2010-12-09): +# "Hawaiian Time" by Robert C. Schmitt and Doak C. Cox appears on pages 207-225 +# of volume 26 of The Hawaiian Journal of History (1992). As of 2010-12-09, +# the article is available at +# +# http://evols.library.manoa.hawaii.edu/bitstream/10524/239/2/JL26215.pdf +# +# and indicates that standard time was adopted effective noon, January +# 13, 1896 (page 218), that in "1933, the Legislature decreed daylight +# saving for the period between the last Sunday of each April and the +# last Sunday of each September, but less than a month later repealed the +# act," (page 220), that year-round daylight saving time was in effect +# from 1942-02-09 to 1945-09-30 (page 221, with no time of day given for +# when clocks changed) and that clocks were changed by 30 minutes +# effective the second Sunday of June, 1947 (page 219, with no time of +# day given for when clocks changed). A footnote for the 1933 changes +# cites Session Laws of Hawaii 1933, "Act. 90 (approved 26 Apr. 1933) +# and Act 163 (approved 21 May 1933)." + +# From Arthur David Olson (2011-01-19): +# The following is from "Laws of the Territory of Hawaii Passed by the +# Seventeenth Legislature: Regular Session 1933," available (as of +# 2011-01-19) at American University's Pence Law Library. Page 85: "Act +# 90...At 2 o'clock ante meridian of the last Sunday in April of each +# year, the standard time of this Territory shall be advanced one +# hour...This Act shall take effect upon its approval. Approved this 26th +# day of April, A. D. 1933. LAWRENCE M JUDD, Governor of the Territory of +# Hawaii." Page 172: "Act 163...Act 90 of the Session Laws of 1933 is +# hereby repealed...This Act shall take effect upon its approval, upon +# which date the standard time of this Territory shall be restored to +# that existing immediately prior to the taking effect of said Act 90. +# Approved this 21st day of May, A. D. 1933. LAWRENCE M. JUDD, Governor +# of the Territory of Hawaii." # -# From Arthur David Olson: -# And then there's Hawaii. -# DST was observed for one day in 1933; -# standard time was changed by half an hour in 1947; -# it's always standard as of 1986. -# -# From Paul Eggert: -# Shanks says the 1933 experiment lasted for three weeks. Go with Shanks. -# -Zone Pacific/Honolulu -10:31:26 - LMT 1900 Jan 1 12:00 - -10:30 - HST 1933 Apr 30 2:00 - -10:30 1:00 HDT 1933 May 21 2:00 - -10:30 US H%sT 1947 Jun 8 2:00 +# Note that 1933-05-21 was a Sunday. +# We're left to guess the time of day when Act 163 was approved; guess noon. + +Zone Pacific/Honolulu -10:31:26 - LMT 1896 Jan 13 12:00 #Schmitt&Cox + -10:30 - HST 1933 Apr 30 2:00 #Laws 1933 + -10:30 1:00 HDT 1933 May 21 12:00 #Laws 1933+12 + -10:30 - HST 1942 Feb 09 2:00 #Schmitt&Cox+2 + -10:30 1:00 HDT 1945 Sep 30 2:00 #Schmitt&Fox+2 + -10:30 US H%sT 1947 Jun 8 2:00 #Schmitt&Fox+2 -10:00 - HST # Now we turn to US areas that have diverged from the consensus since 1970.