proposed time zone package changes
Olson, Arthur David (NIH/NCI) [E]
olsona at dc37a.nci.nih.gov
Wed Jan 19 22:37:45 UTC 2011
Great catch; thanks. I've changed the rules as shown below.
--ado
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
-----Original Message-----
From: Andy Lipscomb [mailto:AndyLipscomb at decosimo.com]
Sent: Wednesday, January 19, 2011 4:22
To: tz at lecserver.nci.nih.gov
Subject: RE: proposed time zone package changes
+ # 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+ # last Sunday of each September, but less than a month later repealed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)."
! # 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 1:00 HST 1942 Feb 09 2:00
#Schmitt&Cox+2
! -10:30 - 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
Unless I'm misreading, those rules have permanent DST (but with the HST
abbreviation) in the 1933-1942 period, and no DST (but with the HDT
abbreviation) during WWII, which is reversed from the text. In other
words, the third and fourth offsets appear to be switched.
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