jdk/make/sun/javazic/tzdata/northamerica
changeset 8371 6201af876de8
parent 6290 535b02d1049c
child 8761 561d07549c0c
--- a/jdk/make/sun/javazic/tzdata/northamerica	Tue Feb 08 09:04:30 2011 -0800
+++ b/jdk/make/sun/javazic/tzdata/northamerica	Wed Feb 09 18:00:29 2011 +0900
@@ -368,6 +368,27 @@
 			-7:00	US	M%sT	2003 Oct 26 02:00
 			-6:00	US	C%sT
 
+# From Josh Findley (2011-01-21):
+# ...it appears that Mercer County, North Dakota, changed from the
+# mountain time zone to the central time zone at the last transition from
+# daylight-saving to standard time (on Nov. 7, 2010):
+# <a href="http://www.gpo.gov/fdsys/pkg/FR-2010-09-29/html/2010-24376.htm">
+# http://www.gpo.gov/fdsys/pkg/FR-2010-09-29/html/2010-24376.htm
+# </a>
+# <a href="http://www.bismarcktribune.com/news/local/article_1eb1b588-c758-11df-b472-001cc4c03286.html">
+# http://www.bismarcktribune.com/news/local/article_1eb1b588-c758-11df-b472-001cc4c03286.html
+# </a>
+
+# From Andy Lipscomb (2011-01-24):
+# ...according to the Census Bureau, the largest city is Beulah (although
+# it's commonly referred to as Beulah-Hazen, with Hazen being the next
+# largest city in Mercer County).  Google Maps places Beulah's city hall
+# at 4715'51" north, 10146'40" west, which yields an offset of 6h47'07".
+
+Zone America/North_Dakota/Beulah -6:47:07 - LMT 1883 Nov 18 12:12:53
+			-7:00	US	M%sT	2010 Nov  7 2:00
+			-6:00	US	C%sT
+
 # US mountain time, represented by Denver
 #
 # Colorado, far western Kansas, Montana, western
@@ -493,20 +514,50 @@
 #  three votes for and one against."
 
 # 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 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
+# <a href="http://evols.library.manoa.hawaii.edu/bitstream/10524/239/2/JL26215.pdf">
+# http://evols.library.manoa.hawaii.edu/bitstream/10524/239/2/JL26215.pdf
+# </a>
+# 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+# last Sunday of each September, but less than a month later repealed the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 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.