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-rw-r--r--share/zoneinfo/australasia101
1 files changed, 67 insertions, 34 deletions
diff --git a/share/zoneinfo/australasia b/share/zoneinfo/australasia
index 5fc7b1b58bf1..d8a8e36d5351 100644
--- a/share/zoneinfo/australasia
+++ b/share/zoneinfo/australasia
@@ -1,4 +1,4 @@
-# @(#)australasia 7.68
+# @(#)australasia 7.69
# This file also includes Pacific islands.
# Notes are at the end of this file
@@ -297,45 +297,37 @@ Zone Pacific/Noumea 11:05:48 - LMT 1912 Jan 13
###############################################################################
# New Zealand
-#
-# From Paul Eggert (2002-10-23):
-# The Department of Internal Affairs (DIA) maintains a brief history;
-# see tz-link.htm for the full reference.
-#
-# Shanks gives 1868 for the introduction of standard time; go with the
-# DIA's more-precise 1868-11-02. The DIA says that clocks were
-# advanced by half an hour in 1941; go with Shanks's more-precise
-# 1940-09-29 02:00. The DIA says that starting in 1933 DST began the
-# first Sunday in September; go with Shanks's last Sunday starting in
-# 1934.
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
-# Shanks gives 1927 Nov 6 - 1928 Mar 4, 1928 Oct 14 - 1929 Mar 17,
-# 1929 Oct 13 - 1930 Mar 16; go with Whitman.
-Rule NZ 1927 only - Nov 26 2:00 0:30 HD
-Rule NZ 1928 1929 - Mar Sun>=1 2:00 0 S
-Rule NZ 1928 only - Nov 4 2:00 0:30 HD
-Rule NZ 1929 only - Oct 30 2:00 0:30 HD
-Rule NZ 1930 1933 - Mar Sun>=15 2:00 0 S
-Rule NZ 1930 1933 - Oct Sun>=8 2:00 0:30 HD
-# Whitman says DST went on and off during war years, and the base UT offset
-# didn't change until 1945 Apr 30; go with Shanks.
-Rule NZ 1934 1940 - Apr lastSun 2:00 0 S
-Rule NZ 1934 1939 - Sep lastSun 2:00 0:30 HD
+Rule NZ 1927 only - Nov 6 2:00 1:00 S
+Rule NZ 1928 only - Mar 4 2:00 0 M
+Rule NZ 1928 1933 - Oct Sun>=8 2:00 0:30 S
+Rule NZ 1929 1933 - Mar Sun>=15 2:00 0 M
+Rule NZ 1934 1940 - Apr lastSun 2:00 0 M
+Rule NZ 1934 1940 - Sep lastSun 2:00 0:30 S
+Rule NZ 1946 only - Jan 1 0:00 0 S
+# Since 1957 Chatham has been 45 minutes ahead of NZ, but there's no
+# convenient notation for this so we must duplicate the Rule lines.
Rule NZ 1974 only - Nov Sun>=1 2:00s 1:00 D
+Rule Chatham 1974 only - Nov Sun>=1 2:45s 1:00 D
Rule NZ 1975 only - Feb lastSun 2:00s 0 S
+Rule Chatham 1975 only - Feb lastSun 2:45s 0 S
Rule NZ 1975 1988 - Oct lastSun 2:00s 1:00 D
+Rule Chatham 1975 1988 - Oct lastSun 2:45s 1:00 D
Rule NZ 1976 1989 - Mar Sun>=1 2:00s 0 S
+Rule Chatham 1976 1989 - Mar Sun>=1 2:45s 0 S
Rule NZ 1989 only - Oct Sun>=8 2:00s 1:00 D
+Rule Chatham 1989 only - Oct Sun>=8 2:45s 1:00 D
Rule NZ 1990 max - Oct Sun>=1 2:00s 1:00 D
-Rule NZ 1990 max - Mar Sun>=15 2:00s 0 S
Rule Chatham 1990 max - Oct Sun>=1 2:45s 1:00 D
-Rule Chatham 1991 max - Mar Sun>=15 2:45s 0 S
+Rule NZ 1990 max - Mar Sun>=15 2:00s 0 S
+Rule Chatham 1990 max - Mar Sun>=15 2:45s 0 S
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Pacific/Auckland 11:39:04 - LMT 1868 Nov 2
- 11:30 NZ NZ%sT 1940 Sep 29 2:00
+ 11:30 NZ NZ%sT 1946 Jan 1
12:00 NZ NZ%sT
-Zone Pacific/Chatham 12:45 Chatham CHA%sT
+Zone Pacific/Chatham 12:13:48 - LMT 1957 Jan 1
+ 12:45 Chatham CHA%sT
# Auckland Is
@@ -443,6 +435,8 @@ Zone Pacific/Johnston -10:00 - HST
# Midway
Zone Pacific/Midway -11:49:28 - LMT 1901
+ -11:00 - NST 1956 Jun 3
+ -11:00 1:00 NDT 1956 Sep 2
-11:00 - NST 1967 Apr # N=Nome
-11:00 - BST 1983 Nov 30 # B=Bering
-11:00 - SST # S=Samoa
@@ -513,7 +507,8 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901
# 10:00 EST EST Eastern Australia
# 10:00 ChST Chamorro
# 10:30 LHST LHST Lord Howe*
-# 12:00 NZST NZDT New Zealand
+# 11:30 NZMT NZST New Zealand through 1945
+# 12:00 NZST NZDT New Zealand 1946-present
# 12:45 CHAST CHADT Chatham*
# -11:00 SST Samoa
# -10:00 HST Hawaii
@@ -1067,11 +1062,14 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901
# time on both the first Sunday in October and the third Sunday in March.
# As with Australia, we'll assume the tradition is 2:00s, not 2:00.
#
-# From Paul Eggert (1999-10-29):
-# Shanks gives no time data for Chatham; usno1989 says it's +12:45,
-# usno1995 says it's +12:45/+13:45, and IATA SSIM (1991/1999)
-# gives the NZ rules but with transitions at 2:45 local standard time.
-# Guess that they have been in lock-step with NZ since 1990.
+# From Paul Eggert (2003-05-26):
+# The Department of Internal Affairs (DIA) maintains a brief history,
+# as does Carol Squires; see tz-link.htm for the full references.
+# Use these sources in preference to Shanks.
+#
+# For Chatham, IATA SSIM (1991/1999) gives the NZ rules but with
+# transitions at 2:45 local standard time; this confirms that Chatham
+# is always exactly 45 minutes ahead of Auckland.
###############################################################################
@@ -1154,6 +1152,23 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901
# We don't know when Kosrae switched from UTC+12; assume January 1 for now.
+# Midway
+
+# From Charles T O'Connor, KMTH DJ (1956),
+# quoted in the KTMH section of the Radio Heritage Collection
+# <http://radiodx.com/spdxr/KMTH.htm> (2002-12-31):
+# For the past two months we've been on what is known as Daylight
+# Saving Time. This time has put us on air at 5am in the morning,
+# your time down there in New Zealand. Starting September 2, 1956
+# we'll again go back to Standard Time. This'll mean that we'll go to
+# air at 6am your time.
+#
+# From Paul Eggert (2003-03-23):
+# We don't know the date of that quote, but we'll guess they
+# started DST on June 3. Possibly DST was observed other years
+# in Midway, but we have no record of it.
+
+
# Pitcairn
# From Rives McDow (1999-11-08):
@@ -1277,6 +1292,24 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901
# From Pulu 'Anau (2002-11-05):
# The law was for 3 years, supposedly to get renewed. It wasn't.
+
+# Wake
+
+# From Vernice Anderson, Personal Secretary to Philip Jessup,
+# US Ambassador At Large (oral history interview, 1971-02-02):
+#
+# Saturday, the 14th [of October, 1950] -- ... The time was all the
+# more confusing at that point, because we had crossed the
+# International Date Line, thus getting two Sundays. Furthermore, we
+# discovered that Wake Island had two hours of daylight saving time
+# making calculation of time in Washington difficult if not almost
+# impossible.
+#
+# http://www.trumanlibrary.org/wake/meeting.htm
+
+# From Paul Eggert (2003-03-23):
+# We have no other report of DST in Wake Island, so omit this info for now.
+
###############################################################################
# The International Date Line