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authorRoland McGrath <roland@gnu.org>1994-08-22 19:22:58 +0000
committerRoland McGrath <roland@gnu.org>1994-08-22 19:22:58 +0000
commitcce268dfab48dae434c0af2e0a01796252980fa0 (patch)
tree1e3af11e51eff1895117bcbe71160a79af63eaa5 /time
parent110febc258106eca7aab6a151c9be676acbb4637 (diff)
New data from ADO & Eggert.
Diffstat (limited to 'time')
-rw-r--r--time/asia19
-rw-r--r--time/australasia43
-rw-r--r--time/europe79
-rw-r--r--time/northamerica20
4 files changed, 139 insertions, 22 deletions
diff --git a/time/asia b/time/asia
index f405bf3bdf..60166c1f34 100644
--- a/time/asia
+++ b/time/asia
@@ -1,10 +1,10 @@
-# @(#)asia 7.10
+# @(#)asia 7.11
# This data is by no means authoritative; if you think you know better,
# go ahead and edit the file (and please send any changes to
# tz@elsie.nci.nih.gov for general use in the future).
-# From Paul Eggert <eggert@twinsun.com> (November 18, 1993):
+# From Paul Eggert <eggert@twinsun.com> (August 18, 1994):
#
# A good source for time zone historical data outside the U.S. is
# Thomas G. Shanks, The International Atlas (3rd edition),
@@ -15,6 +15,10 @@
# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
# I found in the UCLA library.
#
+# A reliable and entertaining source about time zones is
+# Derek Howse, Greenwich time and the discovery of the longitude,
+# Oxford University Press (1980).
+#
# I invented the abbreviations marked `*' in the following table;
# the rest are from earlier versions of this file, or from other sources.
# Corrections are welcome!
@@ -287,7 +291,7 @@ Zone Asia/Calcutta 5:53:28 - LMT 1880
5:30 - IST 1942 Sep
5:30 1:00 IST 1945 Oct 15
5:30 - IST
-# The following are like India/Calcutta:
+# The following are like Asia/Calcutta:
# Andaman Is
# Lakshadweep (Laccadive, Minicoy and Amindivi Is)
# Nicobar Is
@@ -509,11 +513,9 @@ Zone Asia/Amman 2:23:44 - LMT 1931
2:00 Jordan EET%s
# Kazakhstan
-# From Paul Eggert <eggert@twinsun.com> (November 18, 1993):
-# Before 1993, Almaty was known by its Russian name ``Alma-Ata''.
# From Shanks (1991):
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone Asia/Almaty 5:07:48 - LMT 1924 May 2
+Zone Asia/Alma-Ata 5:07:48 - LMT 1924 May 2
5:00 - TSK 1957 Mar
6:00 Russia TS%s
@@ -673,6 +675,8 @@ Zone Asia/Gaza 2:17:52 - LMT 1900 Oct
# This will undoubtedly change soon.
# Philippines
+# Howse writes (p 162) that until 1844 the Philippines kept American date.
+# The rest of this data is from Shanks.
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule Phil 1899 only - May 11 0:00 0 S
Rule Phil 1936 only - Nov 1 0:00 1:00 D
@@ -682,7 +686,8 @@ Rule Phil 1954 only - Jul 1 0:00 0 S
Rule Phil 1978 only - Mar 22 0:00 1:00 D
Rule Phil 1978 only - Sep 21 0:00 0 S
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone Asia/Manila 8:04:00 - LMT 1899 May 11
+Zone Asia/Manila -15:56:00 - LMT 1844
+ 8:04:00 - LMT 1899 May 11
8:00 Phil P%sT 1942 May
9:00 - JST 1944 Nov
8:00 Phil P%sT
diff --git a/time/australasia b/time/australasia
index c023b9ecf2..15f520acd4 100644
--- a/time/australasia
+++ b/time/australasia
@@ -1,4 +1,4 @@
-# @(#)australasia 7.19
+# @(#)australasia 7.20
# This file also includes Pacific islands.
# Notes are at the end of this file
@@ -52,7 +52,7 @@ Rule AS 1987 max - Oct lastSun 2:00 1:00 -
Rule AS 1972 only - Feb 27 3:00 0 -
Rule AS 1973 1985 - Mar Sun>=1 3:00 0 -
Rule AS 1986 1989 - Mar Sun>=15 3:00 0 -
-Rule AS 1990 max even Mar Sun>=22 3:00 0 -
+Rule AS 1990 max even Mar Sun>=18 3:00 0 -
Rule AS 1990 max odd Mar Sun>=1 3:00 0 -
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Australia/Adelaide 9:14:20 - LMT 1895 Feb
@@ -181,7 +181,7 @@ Zone Pacific/Guam 9:39:00 - LMT 1901 # Agana
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Pacific/Tarawa 11:32:04 - LMT 1901 # Bairiki
12:00 - NZST
-Zone Pacific/Enderbury -12:35:40 - LMT 1901
+Zone Pacific/Enderbury -11:24:20 - LMT 1901
-12:00 - KJT 1979 Oct
-11:00 - SST
Zone Pacific/Kiritimati -10:29:20 - LMT 1901
@@ -330,7 +330,7 @@ Zone Pacific/Wake 11:06:28 - LMT 1901
# Wallis and Futuna
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone Pacific/Wallis 11:44:40 - LMT 1901
+Zone Pacific/Wallis 12:15:20 - LMT 1901
12:00 - NZST
# Western Samoa
@@ -344,11 +344,19 @@ Zone Pacific/Wallis 11:44:40 - LMT 1901
# go ahead and edit the file (and please send any changes to
# tz@elsie.nci.nih.gov for general use in the future).
-# From Paul Eggert <eggert@twinsun.com> (November 18, 1993):
+# From Paul Eggert <eggert@twinsun.com> (August 18, 1994):
# A good source for time zone historical data outside the U.S. is
# Thomas G. Shanks, The International Atlas (3rd edition),
# San Diego: ACS Publications, Inc. (1991).
-# Except where noted below, it is the source for the data above.
+# Except where noted, it is the source for the data above.
+#
+# Another source occasionally used is Edward W. Whitman, World Time Differences,
+# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
+# I found in the UCLA library.
+#
+# A reliable and entertaining source about time zones is
+# Derek Howse, Greenwich time and the discovery of the longitude,
+# Oxford University Press (1980).
#
# I invented the abbreviations marked `*' in the following table;
# the rest are from earlier versions of this file, or from other sources.
@@ -547,6 +555,16 @@ Zone Pacific/Wallis 11:44:40 - LMT 1901
# numbered year (from 1990). That's when the Adelaide Festival
# is on...
+# From Robert Elz (March 16, 1992, 00:57:07 +1000):
+# DST didn't end in Adelaide today (yesterday)....
+# But whether it's "4th Sunday" or "2nd last Sunday" I have no idea whatever...
+# (it's just as likely to be "the Sunday we pick for this year"...).
+
+# From Bradley White (April 11, 1994):
+# If Sun, 15 March, 1992 was at +1030 as kre asserts, but yet Sun, 20 March,
+# 1994 was at +0930 as John Connolly's customer seems to assert, then I can
+# only conclude that the actual rule is more complicated....
+
# Australia/Tasmania
# From Bradley White (March 4, 1991):
@@ -706,6 +724,12 @@ Zone Pacific/Wallis 11:44:40 - LMT 1901
###############################################################################
+# Fiji
+
+# Howse writes (p 162) that in 1879 the British governor of Fiji
+# enacted an ordinance standardizing the islands on +12:00.
+# Perhaps it didn't take. We go with Shanks's more precise date in 1915.
+
# Kwajalein
# In comp.risks 14.87 (26 August 1993), Peter Neumann writes:
@@ -713,3 +737,10 @@ Zone Pacific/Wallis 11:44:40 - LMT 1901
# August 20, 1993. Thursday night at midnight Kwajalein switched sides with
# respect to the International Date Line, to rejoin its fellow islands,
# going from 11:59 p.m. Thursday to 12:00 m. Saturday in a blink.
+
+# Pacific Islands Trust Territories
+
+# Howse writes (p 162) ``The Spaniards, on the other hand, reached the
+# Philippines and the Ladrones from America,'' and implies that the Ladrones
+# (now called the Marianas) kept American date for quite some time.
+# Ignore this for now, as we have no hard data. See also Asia/Manila.
diff --git a/time/europe b/time/europe
index f73ca6ac92..9abf677ef4 100644
--- a/time/europe
+++ b/time/europe
@@ -1,4 +1,4 @@
-# @(#)europe 7.15
+# @(#)europe 7.16
# This data is by no means authoritative; if you think you know better,
# go ahead and edit the file (and please send any changes to
@@ -35,7 +35,8 @@
# 4:00 KSK KSD Kuybyshev*
# 5:00 ESK ESD Yekaterinburg*
# 6:00 OSK OSD Omsk*
-# 7:00 NSK NSD Novosibirsk
+# 6:00 NSK NSD Novosibirsk (was 7:00 until 1994)
+# 7:00 TSK TSD Tomsk*
# 8:00 ISK ISD Irkutsk*
# 9:00 YSK YSD Yakutsk*
# 10:00 VSK VSD Vladivostok*
@@ -56,6 +57,27 @@
# United Kingdom
+# From Peter Ilieve <peter@memex.co.uk> (July 6, 1994):
+#
+# On 17 Jan 1994 the Independent, a UK quality newspaper, had a piece about
+# historical vistas along the Thames in west London. There was a photo
+# and a sketch map showing some of the sightlines involved. One paragraph
+# of the text said:
+#
+# `An old stone obelisk marking a forgotten terrestrial meridian stands
+# beside the river at Kew. In the 18th century, before time and longditude
+# was standardised by the Royal Observatory in Greenwich, scholars observed
+# this stone and the movement of stars from Kew Observatory nearby. They
+# made their calculations and set the time for the Horse Guards and Parliament,
+# but now the stone is obscured by scrubwood and can only be seen by walking
+# along the towpath within a few yards of it.'
+#
+# I have a one inch to one mile map of London and my estimate of the stone's
+# position is 51 deg. 28' 30" N, 0 deg. 18' 45" W. The longditude should
+# be within about +-2". The Ordnance Survey grid reference is TQ172761.
+#
+# [This yields GMTOFF = -0:01:15 for London LMT in the 18th century.]
+
# From Paul Eggert <eggert@twinsun.com> (November 18, 1993):
#
# Howse writes that Britain was the first country to use standard time.
@@ -548,6 +570,28 @@
# 1993 28 Mar 24 Oct fixed
# 1994 27 Mar 23 Oct fixed
+# From Peter Ilieve <peter@memex.co.uk> (June 8, 1994):
+# The European Union bureaucracy has edged a step closer to a 7th Directive
+# on summer-time arrangements. I have the text of a Common Position
+# (EC No 9/94) and a statement of the Council's reasons dated 4 March 94,
+# reported in the Official Journal of the EC, No. C 137/38--41....
+# The dates again:
+# Year Start End End (UK & Eire, 1995 only)
+# (rule) (last Sun) (last Sun) (4th Sun)
+# 1995 26 March 24 September 22 October
+# 1996 31 March 27 October
+# 1997 30 March 26 October
+
+# From Peter Ilieve <peter@memex.co.uk> (March 28, 1994):
+# The UK/Eire end date of 22 October [1995] conflicts with your current rule of
+# Oct Sun>=23, and the historical UK formula of Sun after 4th Sat.
+# The last time 4th Sun and Sun after 4th Sat differed was in 1989,
+# when 29 October was used. That year was covered by a UK Summer Time Order
+# for only a single year and it looks as though there was a matching 4th EC
+# directive for just this year. I don't have the text of the 5th EC
+# directive (for 1990--92) but my guess would be it said 4th Sun.
+# To maintain strict historical accuracy you could start a new UK ending rule
+# of Oct Sun>=22 in 1990.
# From Paul Eggert <eggert@twinsun.com> (November 18, 1993):
#
@@ -652,9 +696,13 @@ Rule GB-Eire 1972 1980 - Oct Sun>=23 2:00s 0 GMT
# Current rules
Rule GB-Eire 1981 max - Mar lastSun 1:00s 1:00 BST
Rule GB-Eire 1981 max - Oct Sun>=23 1:00s 0 GMT
+# Under the 7th EU proposal, replace the above line with the following three:
+#Rule GB-Eire 1981 1989 - Oct Sun>=23 1:00s 0 GMT
+#Rule GB-Eire 1990 1995 - Oct Sun>=22 1:00s 0 GMT
+#Rule GB-Eire 1996 max - Oct lastSun 1:00s 0 GMT
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone Europe/London -0:00:37 - LMT 1847 Sep 22
+Zone Europe/London -0:01:15 - LMT 1847 Sep 22
0:00 GB-Eire %s 1968 Feb 18 2:00
1:00 - BST 1971 Oct 31 2:00
0:00 GB-Eire %s
@@ -708,6 +756,9 @@ Rule M-Eur 1977 1980 - Apr Sun>=1 2:00s 1:00 " DST"
Rule M-Eur 1977 only - Sep lastSun 2:00s 0 -
Rule M-Eur 1978 only - Oct 1 2:00s 0 -
Rule M-Eur 1979 max - Sep lastSun 2:00s 0 -
+# Under the 7th EU proposal, replace the above line with the following two:
+#Rule M-Eur 1979 1995 - Sep lastSun 2:00s 0 -
+#Rule M-Eur 1996 max - Oct lastSun 2:00s 0 -
Rule M-Eur 1981 max - Mar lastSun 2:00s 1:00 " DST"
Rule E-Eur 1981 max - Mar lastSun 3:00s 1:00 " DST"
@@ -945,7 +996,7 @@ Zone Europe/Copenhagen 0:50:20 - LMT 1890
1:00 M-Eur MET%s 1945 Apr 2 2:00
1:00 Denmark MET%s 1980 Apr 6 2:00
1:00 M-Eur MET%s
-Zone Atlantic/Faeroe 0:27:04 - LMT 1908 Jan 11 # Torshavn
+Zone Atlantic/Faeroe -0:27:04 - LMT 1908 Jan 11 # Torshavn
0:00 - WET 1981 Mar 29 1:00
0:00 W-Eur WET%s
Zone America/Scoresbysund -1:29:00 - LMT 1916 Jul 28
@@ -1269,7 +1320,7 @@ Zone Europe/Riga 1:36:24 - LMT 1880
# Liechtenstein
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone Europe/Vaduz 0:30:04 - LMT 1894 Jun
+Zone Europe/Vaduz 0:38:04 - LMT 1894 Jun
1:00 - MET 1981 Mar 29 2:00
1:00 M-Eur MET%s
@@ -1618,12 +1669,26 @@ Zone Asia/Omsk 4:53:36 - LMT 1924 May 2
5:00 1:00 OSD 1991 Sep 29 2:00s
5:00 - OSK 1992 Jan 19 2:00s
6:00 Russia OS%s
+# From Stanislaw A. Kuzikowski <S.A.Kuz@iae.nsk.su> (June 29, 1994):
+# But now it is some months since Novosibirsk is 3 hours ahead of Moscow!
+# I do not know why they have decided to make this change;
+# as far as I remember it was done exactly during winter->summer switching
+# so we (Novosibirsk) simply did not switch.
+# Tomsk is still 4 hours ahead of Moscow.
Zone Asia/Novosibirsk 5:31:40 - LMT 1924 May 2
6:00 - NSK 1957 Mar
7:00 Russia NS%s 1991 Mar 31 2:00s
6:00 1:00 NSD 1991 Sep 29 2:00s
6:00 - NSK 1992 Jan 19 2:00s
- 7:00 Russia NS%s
+ 7:00 Russia NS%s 1994 Mar 27 2:00s
+ 6:00 1:00 NSD 1994 Sep 25 2:00s
+ 6:00 Russia NS%s
+Zone Asia/Tomsk 5:39:52 - LMT 1924 May 2
+ 6:00 - TSK 1957 Mar
+ 7:00 Russia TS%s 1991 Mar 31 2:00s
+ 6:00 1:00 TSD 1991 Sep 29 2:00s
+ 6:00 - TSK 1992 Jan 19 2:00s
+ 7:00 Russia TS%s
Zone Asia/Irkutsk 6:57:20 - LMT 1880
6:57 - LST 1924 May 2
7:00 - ISK 1957 Mar
@@ -1725,7 +1790,7 @@ Rule Spain 1976 1977 - Sep lastSun 1:00 0 -
Rule Spain 1977 1978 - Apr 2 23:00 1:00 " DST"
Rule Spain 1978 only - Oct 1 1:00 0 -
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone Europe/Madrid 0:14:44 - LMT 1901
+Zone Europe/Madrid -0:14:44 - LMT 1901
0:00 Spain WET%s 1946 Sep 30
1:00 Spain MET%s 1979 Apr 1 2:00
1:00 M-Eur MET%s
diff --git a/time/northamerica b/time/northamerica
index fb4557646f..9cd74b174c 100644
--- a/time/northamerica
+++ b/time/northamerica
@@ -1,10 +1,15 @@
-# @(#)northamerica 7.10
+# @(#)northamerica 7.11
# also includes Central America and the Caribbean
# This data is by no means authoritative; if you think you know better,
# go ahead and edit the file (and please send any changes to
# tz@elsie.nci.nih.gov for general use in the future).
+# From Paul Eggert <eggert@twinsun.com> (August 17, 1994):
+# A reliable and entertaining source about time zones is
+# Derek Howse, Greenwich time and the discovery of the longitude,
+# Oxford University Press (1980).
+
###############################################################################
# United States
@@ -106,6 +111,11 @@ Rule US 1987 max - Apr Sun>=1 2:00 1:00 D
# Samoa standard time
# The law doesn't give abbreviations.
+# From Paul Eggert <eggert@twinsun.com> (August 16, 1994):
+# Howse writes that Alaska switched from the Julian to the Gregorian calendar,
+# and from east-of-GMT to west-of-GMT days, in 1867 when the US purchased it
+# from Russia. We don't have this data pinned down yet, though.
+
# Easy stuff first--including Alaska, where we ignore history (since we
# can't tell if we should give Yukon time or Alaska-Hawaii time for "old"
# times).
@@ -148,8 +158,14 @@ Zone America/Detroit -5:00 US E%sT 1968
-5:00 US E%sT
# Samoa just changes names. No DST, per Naval Observatory.
+#
+# Howse writes that in 1879 the King of Samoa decided to change
+# ``the date in his kingdom from the Antipodean to the American system,
+# ordaining -- by a masterpiece of diplomatic flattery -- that
+# the Fourth of July should be celebrated twice in that year.''
-Zone Pacific/Samoa -11:22:48 - LMT 1911
+Zone Pacific/Samoa 12:37:12 - LMT 1879 Jul 5
+ -11:22:48 - LMT 1911
-11:30 - SST 1950
-11:00 - NST 1967 Apr # N=Nome
-11:00 - BST 1983 Nov 30 # B=Bering