From 73e38b27a4eef6b844ca1c01a7dbe782c1b22fb8 Mon Sep 17 00:00:00 2001 From: wollman Date: Wed, 17 Jul 1996 19:27:18 +0000 Subject: New timezone data files from Arthur Olson. These files are in the public domain. More descriptions will follow when they are merged onto the main branch. --- share/zoneinfo/africa | 11 +- share/zoneinfo/asia | 103 ++++++++------ share/zoneinfo/australasia | 40 ++++-- share/zoneinfo/europe | 289 +++++++++++++++++++++---------------- share/zoneinfo/northamerica | 337 +++++++++++++++++++++++++++----------------- share/zoneinfo/southamerica | 7 +- 6 files changed, 463 insertions(+), 324 deletions(-) (limited to 'share/zoneinfo') diff --git a/share/zoneinfo/africa b/share/zoneinfo/africa index ddb472d..d55b598 100644 --- a/share/zoneinfo/africa +++ b/share/zoneinfo/africa @@ -1,4 +1,4 @@ -# @(#)africa 7.12 +# @(#)africa 7.13 # 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 @@ -80,7 +80,6 @@ # Algeria # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Algeria 1911 only - Jan 1 0:00s 0 - Rule Algeria 1916 only - Jun 14 23:00s 1:00 " DST" Rule Algeria 1916 1919 - Oct Sun<=7 23:00s 0 - Rule Algeria 1917 only - Mar 24 23:00s 1:00 " DST" @@ -212,7 +211,6 @@ Zone Africa/Djibouti 2:52:36 - LMT 1911 Jul # From Shanks (1991): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Egypt 1900 only - Oct 1 0:00 0 - Rule Egypt 1940 only - Jul 15 0:00 1:00 " DST" Rule Egypt 1940 only - Oct 1 0:00 0 - Rule Egypt 1941 only - Apr 15 0:00 1:00 " DST" @@ -275,7 +273,6 @@ Zone Africa/Banjul -1:06:36 - LMT 1912 # WATDT is my invention for ``West Africa one-Third Daylight Time''. # From Shanks (1991): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Ghana 1918 only - Jan 1 0:00 0 WAT # Whitman says DST was observed from 1931 to ``the present''; go with Shanks. Rule Ghana 1936 1942 - Sep 1 0:00 0:20 WATDT Rule Ghana 1936 1942 - Dec 31 0:00 0 WAT @@ -348,7 +345,6 @@ Zone Africa/Monrovia -0:43:08 - LMT 1882 # From Shanks (1991): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Libya 1920 only - Jan 1 0:00 0 - Rule Libya 1951 only - Oct 14 2:00 1:00 " DST" Rule Libya 1952 only - Jan 1 0:00 0 - Rule Libya 1953 only - Oct 9 2:00 1:00 " DST" @@ -416,7 +412,6 @@ Zone Indian/Mayotte 3:00:56 - LMT 1911 Jul # Mamoutzou # Morocco # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Morocco 1913 only - Oct 26 0:00 0 - Rule Morocco 1939 only - Sep 12 0:00 1:00 " DST" Rule Morocco 1939 only - Nov 19 0:00 0 - Rule Morocco 1940 only - Feb 25 0:00 1:00 " DST" @@ -504,7 +499,6 @@ Zone Indian/Mahe 3:41:48 - LMT 1906 Jun # Victoria # Sierra Leone # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule SL 1913 only - Oct 26 0:00 0 - # Whitman gives Mar 31 - Aug 31 for 1931 on; go with Shanks. Rule SL 1935 1942 - Jun 1 0:00 1:00 S Rule SL 1935 1942 - Oct 1 0:00 0 - @@ -528,7 +522,6 @@ Zone Africa/Mogadishu 3:01:28 - LMT 1893 Nov # South Africa # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule SA 1892 only - Feb 8 0:00 0 - Rule SA 1942 1943 - Sep Sun>=15 2:00 1:00 S Rule SA 1943 1944 - Mar Sun>=15 2:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -544,7 +537,6 @@ Zone Africa/Johannesburg 1:52:00 - LMT 1892 Feb 8 # I verified this today by telephone with the Sudan Mission to the # United Nations: 212-573-6033 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Sudan 1931 only - Feb 8 0:00 0 - Rule Sudan 1970 only - May 1 0:00 1:00 " DST" Rule Sudan 1970 1985 - Oct 15 0:00 0 - Rule Sudan 1971 only - Apr 30 0:00 1:00 " DST" @@ -575,7 +567,6 @@ Zone Africa/Lome 0:04:52 - LMT 1893 # Tunisia # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Tunisia 1911 only - Mar 9 0:00 0 - Rule Tunisia 1939 only - Apr 15 23:00s 1:00 " DST" Rule Tunisia 1939 only - Nov 18 23:00s 0 - Rule Tunisia 1940 only - Feb 25 23:00s 1:00 " DST" diff --git a/share/zoneinfo/asia b/share/zoneinfo/asia index c9cdc7e..a5d0ab5 100644 --- a/share/zoneinfo/asia +++ b/share/zoneinfo/asia @@ -1,4 +1,4 @@ -# @(#)asia 7.18 +# @(#)asia 7.23 # 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 @@ -30,10 +30,11 @@ # 3:00 AST ADT Arabia* # 3:00 BSK BSD Baku (was 4:00)* # 3:30 IST IDT Iran +# 4:00 AMST AMDT Armenia (was 3:00) (was YSK, YSD)* # 4:00 TBSK TBSD Tbilisi (was 3:00)* -# 4:00 YSK YSD Yerevan (was 3:00)* # 4:00 GST GDT Gulf* # 4:30 AFT Afghanistan* +# 5:00 ASK ASD Aktau (was SHSK, SHSD)* # 5:00 ASK ASD Ashkhabad (was 4:00)* # 5:00 BSK BSD Bishkek (was 6:00) (was FSK, FSD)* # 5:00 PKT Pakistan* @@ -69,11 +70,12 @@ ############################################################################### +# These rules for Russia are stolen from the `europe' file. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Russia 1981 1984 - Apr 1 0:00 1:00 D -Rule Russia 1981 1983 - Oct 1 0:00 0 K -Rule Russia 1984 max - Sep lastSun 2:00s 0 K -Rule Russia 1985 max - Mar lastSun 2:00s 1:00 D +Rule RussiaAsia 1981 1984 - Apr 1 0:00 1:00 D +Rule RussiaAsia 1981 1983 - Oct 1 0:00 0 K +Rule RussiaAsia 1984 max - Sep lastSun 2:00s 0 K +Rule RussiaAsia 1985 max - Mar lastSun 2:00s 1:00 D # Afghanistan # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -82,18 +84,32 @@ Zone Asia/Kabul 4:36:48 - LMT 1890 4:30 - AFT # Armenia +# From Paul Eggert (1996-05-04): +# Shanks has Yerevan switching to 3:00 (with Russian DST) in spring 1991, +# but usno1995 has Armenia at 4:00 (with DST), and Edgar Der-Danieliantz +# reported today that Yerevan probably won't use DST this year, +# though it did use DST in 1995. We guess Yerevan stayed in sync with Moscow +# between 1990 and 1995, but stopped using DST in 1996. +# Der-Danieliantz also asked for a better abbreviation than `YSK' +# after independence. Apparently no abbreviation is in common use; +# use `AMST/AMDT' since `AM' is the ISO country code for Armenia. +# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S +Rule Armenia 1992 1995 - Sep lastSun 2:00s 0 S +Rule Armenia 1992 1995 - Mar lastSun 2:00s 1:00 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Yerevan 2:58:00 - LMT 1924 May 2 3:00 - YSK 1957 Mar - 4:00 Russia YS%s -# Shanks has Yerevan switching to 3:00 (with Russian DST) in spring 1991, -# but usno1995 has Armenia at 4:00 (with DST). Ignore the 1991 switch for now. + 4:00 RussiaAsia YS%s 1991 Mar 31 2:00s + 3:00 1:00 YSD 1991 Sep 29 2:00s + 3:00 - AMST 1992 Jan 19 2:00s + 4:00 Armenia AM%sT 1996 + 4:00 - AMST # Azerbaijan # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Baku 3:19:24 - LMT 1924 May 2 3:00 - BSK 1957 Mar - 4:00 Russia BS%s 1991 Mar 31 2:00s + 4:00 RussiaAsia BS%s 1991 Mar 31 2:00s 3:00 1:00 BSD 1991 Sep 29 2:00s 3:00 - BSK # Shanks has Baku using Russian DST rules after 1991, @@ -133,7 +149,7 @@ Zone Asia/Brunei 7:39:40 - LMT 1926 Mar # Bandar Seri Begawan # Burma / Myanmar # Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone Asia/Rangoon 6:24:40 - LMT 1880 +Zone Asia/Rangoon 6:24:40 - LMT 1880 # or Yangon 6:25 - RMT 1920 6:30 - BMT 1942 May 9:00 - JST 1945 May 3 @@ -179,7 +195,6 @@ Zone Asia/Phnom_Penh 6:59:40 - LMT 1906 Jun 9 # From Shanks (1991): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Shang 1928 only - Jan 1 0:00 0 S Rule Shang 1940 only - Jun 3 0:00 1:00 D Rule Shang 1940 1941 - Oct 1 0:00 0 S Rule Shang 1941 only - Mar 16 0:00 1:00 D @@ -213,7 +228,6 @@ Zone Asia/Kashgar 5:03:56 - LMT 1928 # Republic of China # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Taiwan 1896 only - Jan 1 0:00 0 S Rule Taiwan 1945 1951 - May 1 0:00 1:00 D Rule Taiwan 1945 1951 - Oct 1 0:00 0 S Rule Taiwan 1952 only - Mar 1 0:00 1:00 D @@ -232,7 +246,6 @@ Zone Asia/Taipei 8:06:00 - LMT 1896 ############################################################################### # Hong Kong # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule HK 1904 only - Oct 30 0:00 0 - Rule HK 1946 only - Apr 20 3:30 1:00 S Rule HK 1946 only - Dec 1 3:30 0 - Rule HK 1947 only - Apr 13 3:30 1:00 S @@ -254,7 +267,6 @@ Zone Asia/Hong_Kong 7:36:36 - LMT 1904 Oct 30 # Macao # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Macao 1912 only - Jan 1 0:00 0 S Rule Macao 1961 1962 - Mar Sun>=16 3:30 1:00 D Rule Macao 1961 1964 - Nov Sun>=1 3:30 0 S Rule Macao 1963 only - Mar Sun>=16 0:00 1:00 D @@ -278,7 +290,6 @@ Zone Asia/Macao 7:34:20 - LMT 1912 # Cyprus # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Cyprus 1921 only - Nov 14 0:00 0 - Rule Cyprus 1975 only - Apr 13 0:00 1:00 " DST" Rule Cyprus 1975 only - Oct 12 0:00 0 - Rule Cyprus 1976 only - May 15 0:00 1:00 " DST" @@ -307,9 +318,9 @@ Zone Asia/Nicosia 2:13:28 - LMT 1921 Nov 14 Zone Asia/Tbilisi 2:59:16 - LMT 1880 2:59 - LST 1924 May 2 3:00 - TBSK 1957 Mar - 4:00 Russia TBS%s 1991 Mar 31 2:00s + 4:00 RussiaAsia TBS%s 1991 Mar 31 2:00s 3:00 1:00 TBSD 1991 Sep 29 2:00s - 3:00 Russia TBS%s 1994 Sep 25 2:00s + 3:00 RussiaAsia TBS%s 1994 Sep 25 2:00s 4:00 - TBSK # India @@ -348,7 +359,6 @@ Zone Asia/Jayapura 9:22:48 - LMT 1932 Nov # Iran # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Iran 1977 only - Nov 1 0:00 0 S Rule Iran 1978 1980 - Mar 21 0:00 1:00 D Rule Iran 1978 only - Oct 21 0:00 0 S Rule Iran 1979 only - Sep 19 0:00 0 S @@ -390,7 +400,6 @@ Zone Asia/Baghdad 2:57:40 - LMT 1890 # From Shanks (1991): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Zion 1918 only - Jan 1 0:00 0 S Rule Zion 1940 only - Jun 1 0:00 1:00 D Rule Zion 1942 1944 - Nov 1 0:00 0 S Rule Zion 1943 only - Apr 1 2:00 1:00 D @@ -553,7 +562,6 @@ Zone Asia/Tokyo 9:19:04 - LMT 1896 # Most likely Shanks is merely guessing dates from 1992 on. # From Shanks (1991): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Jordan 1931 only - Jan 1 0:00 0 - Rule Jordan 1973 only - Jun 6 0:00 1:00 " DST" Rule Jordan 1973 1975 - Oct 1 0:00 0 - Rule Jordan 1974 1977 - May 1 0:00 1:00 " DST" @@ -576,21 +584,31 @@ Zone Asia/Amman 2:23:44 - LMT 1931 2:00 Jordan EET%s # Kazakhstan -# From Shanks (1991): +# From Paul Eggert (1996-04-19): +# Andrew Evtichov (1996-04-13) writes that Kazakhstan +# stayed in sync with Moscow after 1990, and that Aktau is the biggest city +# in western Kazakhstan. Follow Shanks before 1991, Evtichov afterwards. # Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone Asia/Alma-Ata 5:07:48 - LMT 1924 May 2 +Zone Asia/Alma-Ata 5:07:48 - LMT 1924 May 2 # or Almaty 5:00 - AASK 1957 Mar - 6:00 Russia AAS%s -# Shanks has Alma-Ata switching to 5:00 in 1991, -# but usno1995 has Kazakhstan at 6:00. Ignore the 1991 switch for now. + 6:00 RussiaAsia AAS%s 1991 Mar 31 2:00s + 5:00 1:00 AASD 1991 Sep 29 2:00s + 5:00 - AASK 1992 Jan 19 2:00s + 6:00 RussiaAsia AAS%s +Zone Asia/Aktau 3:21:04 - LMT 1924 May 2 # or Aqtau + 4:00 - SHSK 1957 Mar # Fort Shevchenko + 5:00 RussiaAsia SHS%s 1991 Mar 31 2:00s + 4:00 1:00 ASD 1991 Sep 29 2:00s + 4:00 - ASK 1992 Jan 19 2:00s + 5:00 RussiaAsia AS%s # Kirgizstan # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Bishkek 4:58:24 - LMT 1924 May 2 5:00 - FSK 1957 Mar # Frunze - 6:00 Russia FS%s 1991 Mar 31 2:00s + 6:00 RussiaAsia FS%s 1991 Mar 31 2:00s 5:00 1:00 FSD 1991 Sep 29 2:00s - 5:00 Russia BS%s + 5:00 RussiaAsia BS%s ############################################################################### @@ -642,7 +660,6 @@ Zone Asia/Vientiane 6:50:24 - LMT 1906 Jun 9 # Lebanon # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Lebanon 1880 only - Jan 1 0:00 0 - Rule Lebanon 1920 only - Mar 28 0:00 1:00 " DST" Rule Lebanon 1920 only - Oct 25 0:00 0 - Rule Lebanon 1921 only - Apr 3 0:00 1:00 " DST" @@ -685,10 +702,12 @@ Zone Indian/Maldives 4:54:00 - LMT 1880 # Male 5:00 - PKT # Mongolia +# Shanks says that Mongolia has three time zones, +# but usno1995 and http://www.odci.gov/cia/publications/95fact/802389h.gif +# both say that it has just one. # Let's comment out the western and eastern Mongolian time zones # till we know what their principal towns are. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Mongol 1978 only - Jan 1 0:00 0 S Rule Mongol 1981 1984 - Apr 1 0:00 1:00 T Rule Mongol 1981 1984 - Oct 1 0:00 0 S Rule Mongol 1985 max - Mar lastSun 2:00 1:00 T @@ -726,16 +745,16 @@ Zone Asia/Karachi 4:28:12 - LMT 1907 # Palestine # These rules for Egypt are stolen from the `africa' file. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Egypt 1957 only - May 10 0:00 1:00 " DST" -Rule Egypt 1957 1958 - Oct 1 0:00 0 - -Rule Egypt 1958 only - May 1 0:00 1:00 " DST" -Rule Egypt 1959 1981 - May 1 1:00 1:00 " DST" -Rule Egypt 1959 1965 - Sep 30 3:00 0 - -Rule Egypt 1966 max - Oct 1 3:00 0 - +Rule EgyptAsia 1957 only - May 10 0:00 1:00 " DST" +Rule EgyptAsia 1957 1958 - Oct 1 0:00 0 - +Rule EgyptAsia 1958 only - May 1 0:00 1:00 " DST" +Rule EgyptAsia 1959 1981 - May 1 1:00 1:00 " DST" +Rule EgyptAsia 1959 1965 - Sep 30 3:00 0 - +Rule EgyptAsia 1966 max - Oct 1 3:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Gaza 2:17:52 - LMT 1900 Oct 2:00 - EET 1957 May 10 - 2:00 Egypt EET%s 1967 Jun 30 + 2:00 EgyptAsia EET%s 1967 Jun 30 2:00 Zion I%sT # This will undoubtedly change soon. @@ -746,7 +765,6 @@ Zone Asia/Gaza 2:17:52 - LMT 1900 Oct # 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 Rule Phil 1937 only - Feb 1 0:00 0 S Rule Phil 1954 only - Apr 12 0:00 1:00 D @@ -796,7 +814,6 @@ Zone Asia/Colombo 5:19:24 - LMT 1880 # Syria # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Syria 1920 only - Jan 1 0:00 0 - Rule Syria 1920 1923 - Apr Sun>=15 2:00 1:00 " DST" Rule Syria 1920 1923 - Oct Sun>=1 2:00 0 - Rule Syria 1962 only - Apr 29 2:00 1:00 " DST" @@ -828,7 +845,7 @@ Zone Asia/Damascus 2:25:12 - LMT 1920 # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Dushanbe 4:35:12 - LMT 1924 May 2 5:00 - DSK 1957 Mar - 6:00 Russia DS%s 1991 + 6:00 RussiaAsia DS%s 1991 6:00 - DSK # Shanks has Dushanbe at 5:00 (6:00 summer) after 1991 Sep 29 3:00, # but usno1995 has it at 6:00. Go with usno1995. @@ -843,7 +860,7 @@ Zone Asia/Bangkok 6:42:04 - LMT 1880 # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Ashkhabad 3:53:32 - LMT 1924 May 2 4:00 - ASK 1957 Mar - 5:00 Russia AS%s 1991 + 5:00 RussiaAsia AS%s 1991 5:00 - ASK # Shanks has Ashkhabad at 4:00 (5:00 summer) after 1991 Sep 20 3:00, # but usno has it at 5:00. Go with usno1995. @@ -857,11 +874,13 @@ Zone Asia/Dubai 3:41:12 - LMT 1920 # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Tashkent 4:37:12 - LMT 1924 May 2 5:00 - TSK 1957 Mar - 6:00 Russia TS%s 1991 Mar 31 2:00s + 6:00 RussiaAsia TS%s 1991 Mar 31 2:00s 5:00 1:00 TSD 1991 Sep 29 2:00s 5:00 - TSK # Shanks has Tashkent using DST after 1991, but usno1995 says they don't. # Go with usno1995. +# http://www.odci.gov/cia/publications/95fact/802389h.gif claims that +# Uzbekistan has two time zones, but we lack data about this. # Vietnam # From Paul Eggert (November 18, 1993): diff --git a/share/zoneinfo/australasia b/share/zoneinfo/australasia index 8c92a5b..960f9e3 100644 --- a/share/zoneinfo/australasia +++ b/share/zoneinfo/australasia @@ -1,4 +1,4 @@ -# @(#)australasia 7.25 +# @(#)australasia 7.27 # This file also includes Pacific islands. # Notes are at the end of this file @@ -8,7 +8,6 @@ # Australia # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Aus 1895 only - Jan 1 0:00 0 - # Shanks gives 1917 Jan 1 0:01; go with Whitman (and guess 2:00). Rule Aus 1916 only - Oct 1 2:00 1:00 - Rule Aus 1917 only - Mar 25 2:00 0 - @@ -208,10 +207,6 @@ Zone Pacific/Johnston -10:00 - HST # uninhabited # Kiribati -# From Paul Eggert (1996-01-22): -# Today's _Wall Street Journal_ (page 1) reports that Kiribati -# ``declared it the same day throught the country as of Jan. 1, 1995'' -# as part of the competition to be first into the 21st century. # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Pacific/Tarawa 11:32:04 - LMT 1901 # Bairiki 12:00 - NZST @@ -246,8 +241,7 @@ Zone Pacific/Yap 9:12:32 - LMT 1901 # Colonia 9:00 - PLT 1969 Oct 10:00 - GST Zone Pacific/Truk 10:07:08 - LMT 1901 - 10:00 - GST 1978 Oct - 11:00 - NCST + 10:00 - GST Zone Pacific/Ponape 10:32:52 - LMT 1901 # Kolonia 11:00 - NCST Zone Pacific/Kosrae 10:51:56 - LMT 1901 @@ -264,7 +258,6 @@ Zone Pacific/Nauru 11:07:40 - LMT 1921 Jan 15 # Uaobe # New Caledonia # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule NC 1912 only - Jan 13 0:00 0 S Rule NC 1977 1978 - Dec Sun>=1 0:00 1:00 D Rule NC 1978 1979 - Feb 27 0:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -277,7 +270,6 @@ Zone Pacific/Noumea 11:05:48 - LMT 1912 Jan 13 # New Zealand # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule NZ 1868 only - Jan 1 0:00 0 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 @@ -368,10 +360,6 @@ Zone Pacific/Fakaofo -11:24:56 - LMT 1901 -10:00 - THT # Tonga -# From Paul Eggert (1996-01-22): -# Today's _Wall Street Journal_ (page 1) reports that ``Tonga has been plotting -# to sneak ahead of [New Zealanders] by introducing daylight-saving time.'' -# But since Kiribati has moved the Date Line it's not clear what Tonga will do. # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Pacific/Tongatapu 12:19:20 - LMT 1901 12:20 - TMT 1968 Oct @@ -384,7 +372,6 @@ Zone Pacific/Funafuti 11:56:52 - LMT 1901 # Vanuatu # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Vanuatu 1912 only - Jan 13 0:00 0 S Rule Vanuatu 1983 only - Sep 25 0:00 1:00 D Rule Vanuatu 1984 1991 - Mar Sun>=23 0:00 0 S Rule Vanuatu 1984 only - Oct 23 0:00 1:00 D @@ -840,6 +827,13 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # Johnston data is from usno1995. +# Kiribati + +# From Paul Eggert (1996-01-22): +# Today's _Wall Street Journal_ (page 1) reports that Kiribati +# ``declared it the same day throught the country as of Jan. 1, 1995'' +# as part of the competition to be first into the 21st century. + # Kwajalein # In comp.risks 14.87 (26 August 1993), Peter Neumann writes: @@ -855,9 +849,25 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # (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. +# Micronesia + +# Alan Eugene Davis writes (1996-03-16), +# ``I am certain, having lived there for the past decade, that "Truk" +# (now properly known as Chuuk) ... is in the time zone GMT+10.'' +# +# Shanks writes that Truk switched from GMT+10 to GMT+11 on 1978-10-01; +# ignore this for now. + # Samoa # 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.'' + +# Tonga + +# From Paul Eggert (1996-01-22): +# Today's _Wall Street Journal_ (p 1) reports that ``Tonga has been plotting +# to sneak ahead of [New Zealanders] by introducing daylight-saving time.'' +# Since Kiribati has moved the Date Line it's not clear what Tonga will do. diff --git a/share/zoneinfo/europe b/share/zoneinfo/europe index b11fe62..ce66e8a 100644 --- a/share/zoneinfo/europe +++ b/share/zoneinfo/europe @@ -1,4 +1,4 @@ -# @(#)europe 7.32 +# @(#)europe 7.38 # 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 @@ -36,7 +36,7 @@ # 5:00 ESK ESD Yekaterinburg (was 4:00) (was SSK, SSD)* # 6:00 OSK OSD Omsk (was 5:00)* # 6:00 NSK NSD Novosibirsk (was 7:00) -# 7:00 TSK TSD Tomsk (was 6:00)* +# 7:00 KRSK KRSD Krasnoyarsk (was 6:00) # 8:00 ISK ISD Irkutsk (was 7:00)* # 9:00 YSK YSD Yakutsk (was 8:00)* # 10:00 VSK VSD Vladivostok (was 9:00)* @@ -125,6 +125,15 @@ # transition date for London, namely 1847 Sep 22. We don't know as much # about Dublin, so we use 1880 Aug 2, the legal transition time. +# From Paul Eggert (1996-06-12): +# Summer Time was first seriously proposed by William Willett (1857-1915), +# a London builder who circulated a pamphlet ``Waste of Daylight'' (1907) +# that proposed advancing clocks 20 minutes on each of four Sundays in April, +# and retarding them by the same amount on four Sundays in September. +# A bill was drafted in 1909 and introduced in Parliament several times, +# but it met with ridicule and opposition, especially from farming interests. +# One-hour Summer Time was eventually adopted as a wartime measure in 1916. + # From Arthur David Olson (January 19, 1989): # # A source at the British Information Office in New York avers that it's @@ -418,6 +427,22 @@ # who provided the wartime regulations and a snippet of Hansard explaining # why double summer time started on a Monday in 1945 (it was Easter). +# From Peter Ilieve (1996-05-29): +# I have now got a copy of the British Standard Time Act 1968. +# It says (S4(2)) that it expires at 02:00 GMT on 31 October 1971 unless +# an Order in Council was passed in Parliament to make the Act permanent. +# No Order was passed, so 02:00 1971-10-31 it is... +# +# Interestingly, it says baldly `This Act shall come into force on +# 27 October 1968', without giving a time. As S1 of the Act merely +# stated that `The time for general purposes in the United Kingdom +# (to be known as British standard time) shall be one hour in +# advance of Greenwich mean time throughout the year; ...' you could +# possibly argue that the start time of BStandardT was 00:00 1968-10-27, +# especially as the Act repealed the Summer Time Acts 1916--1947 in toto, +# thereby destroying the authority of the Summer Time Order specifying +# summer time in 1968.... + # From Peter Ilieve (November 18, 1993) # # Here is a revised version of my tabrules file for the perl script I sent @@ -600,6 +625,11 @@ # 1995-97 is now in place. The Summer Time Order 1994 (SI 1994/2798) # came into force on 16 November. It restates the dates from the EC # seventh Summer Time Directive.... +# +# From Peter Ilieve (1996-04-20): +# Proposals for the eighth directive were supposed to have been produced +# by the Commission by 1 Jan 96. They have not yet appeared (I asked just +# before Easter). # From Peter Ilieve (March 28, 1994): # The [GB-Eire] end date of 22 October [1995] conflicts with your current rule @@ -612,7 +642,7 @@ # To maintain strict historical accuracy you could start a new UK ending rule # of Oct Sun>=22 in 1990. -# From Paul Eggert (November 18, 1993): +# From Paul Eggert (1996-06-12): # # As Ilieve remarks, the date `20 April 1924' in the table of ``Summer Time: A # Consultation Document'' (Cm 722, 1989) table is a transcription error; @@ -632,17 +662,29 @@ # It actually just had one transition. # * Northern Ireland used single daylight savings time throughout WW II. # Actually, it conformed to Britain. +# * GB-Eire changed standard time to 1 hour ahead of GMT on 1968-02-18. +# Actually, that date saw the usual switch to summer time. +# Standard time was not changed until 1968-10-27 (the clocks didn't change). # -# The following claim by Shanks is possible though doubtful; -# we'll ignore it for now. +# The following claims by Shanks are possible though doubtful; +# we'll ignore them for now. # * Jersey, Guernsey, and the Isle of Man did not switch from GMT # to daylight savings time until 1921 Apr 3, when they began to # conform with Great Britain. +# * Dublin's 1971-10-31 switch was at 02:00, even though London's was 03:00. +# # # Whitman says Dublin Mean Time was -0:25:21, which is more precise than Shanks. +# From an anonymous contributor (1996-06-02): +# The law governing time in Ireland is under Statutory Instrument SI 395/94, +# which gives force to European Union 7th Council Directive # 94/21/EC. +# Under this directive, the Minister for Justice in Ireland makes appropriate +# regulations. I spoke this morning with the Secretary of the Department of +# Justice (tel +353 1 678 9711) who confirmed to me that the correct name is +# "Irish Summer Time", abbreviated to "IST". + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule GB-Eire 1847 only - Sep 22 0:00 0 GMT # 1916 to 1925--irregular Rule GB-Eire 1916 only - May 21 2:00s 1:00 BST Rule GB-Eire 1916 only - Oct 1 2:00s 0 GMT @@ -706,61 +748,61 @@ Rule GB-Eire 1958 1959 - Apr Sun>=16 2:00s 1:00 BST Rule GB-Eire 1960 only - Apr 10 2:00s 1:00 BST Rule GB-Eire 1961 1963 - Mar lastSun 2:00s 1:00 BST Rule GB-Eire 1964 1967 - Mar Sun>=19 2:00s 1:00 BST +Rule GB-Eire 1968 only - Feb 18 2:00s 1:00 BST Rule GB-Eire 1972 1980 - Mar Sun>=16 2:00s 1:00 BST # 1953 to 1980, ending rules Rule GB-Eire 1953 1960 - Oct Sun>=1 2:00s 0 GMT -Rule GB-Eire 1961 1967 - Oct Sun>=23 2:00s 0 GMT -Rule GB-Eire 1971 only - Oct 31 3:00 0 GMT +Rule GB-Eire 1961 1968 - Oct Sun>=23 2:00s 0 GMT Rule GB-Eire 1972 1980 - Oct Sun>=23 2:00s 0 GMT # 1981 on Rule GB-Eire 1981 1995 - Mar lastSun 1:00u 1:00 BST Rule GB-Eire 1981 1989 - Oct Sun>=23 1:00u 0 GMT Rule GB-Eire 1990 1995 - Oct Sun>=22 1:00u 0 GMT -# See EC for rules starting in 1996. +# See EU for rules starting in 1996. # Zone NAME GMTOFF RULES FORMAT [UNTIL] 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 1968 Oct 27 + 1:00 - BST 1971 Oct 31 2:00u 0:00 GB-Eire %s 1996 - 0:00 EC GMT/BST + 0:00 EU GMT/BST Zone Europe/Belfast -0:23:40 - LMT 1880 Aug 2 -0:25:21 - DMT 1916 May 21 2:00 # Dublin MT -0:25:21 1:00 DST 1916 Oct 1 3:00 - 0:00 GB-Eire %s 1968 Feb 18 2:00 - 1:00 - BST 1971 Oct 31 3:00 + 0:00 GB-Eire %s 1968 Oct 27 + 1:00 - BST 1971 Oct 31 2:00u 0:00 GB-Eire %s 1996 - 0:00 EC GMT/BST + 0:00 EU GMT/BST Zone Europe/Dublin -0:25:21 - LMT 1880 Aug 2 -0:25:21 - DMT 1916 May 21 2:00 # Dublin MT -0:25:21 1:00 DST 1916 Oct 1 3:00 - 0:00 GB-Eire %s 1940 Feb 25 2:00 - 0:00 1:00 BST 1946 Oct 6 2:00 + 0:00 GB-Eire %s 1921 Dec 6 + 0:00 GB-Eire GMT/IST 1940 Feb 25 2:00 + 0:00 1:00 IST 1946 Oct 6 2:00 0:00 - GMT 1947 Mar 16 2:00 - 0:00 1:00 BST 1947 Nov 2 2:00 + 0:00 1:00 IST 1947 Nov 2 2:00 0:00 - GMT 1948 Apr 18 2:00 - 0:00 GB-Eire %s 1968 Feb 18 2:00 - 1:00 - BST 1971 Oct 31 3:00 - 0:00 GB-Eire %s 1996 - 0:00 EC GMT/BST + 0:00 GB-Eire GMT/IST 1968 Oct 27 + 1:00 - IST 1971 Oct 31 2:00u + 0:00 GB-Eire GMT/IST 1996 + 0:00 EU GMT/IST ############################################################################### # Continental Europe -# EC rules are for the European Community. +# EU rules are for the European Union, previously known as the EC, EEC, +# Common Market, etc. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule EC 1800 only - Jan 1 0:00 0 - -Rule EC 1977 1980 - Apr Sun>=1 1:00u 1:00 " DST" -Rule EC 1977 only - Sep lastSun 1:00u 0 - -Rule EC 1978 only - Oct 1 1:00u 0 - -Rule EC 1979 1995 - Sep lastSun 1:00u 0 - -Rule EC 1981 max - Mar lastSun 1:00u 1:00 " DST" -Rule EC 1996 max - Oct lastSun 1:00u 0 - - -# W-Eur differs from EC only in that W-Eur uses standard time. -Rule W-Eur 1800 only - Jan 1 0:00 0 - +Rule EU 1977 1980 - Apr Sun>=1 1:00u 1:00 " DST" +Rule EU 1977 only - Sep lastSun 1:00u 0 - +Rule EU 1978 only - Oct 1 1:00u 0 - +Rule EU 1979 1995 - Sep lastSun 1:00u 0 - +Rule EU 1981 max - Mar lastSun 1:00u 1:00 " DST" +Rule EU 1996 max - Oct lastSun 1:00u 0 - + +# W-Eur differs from EU only in that W-Eur uses standard time. Rule W-Eur 1977 1980 - Apr Sun>=1 1:00s 1:00 " DST" Rule W-Eur 1977 only - Sep lastSun 1:00s 0 - Rule W-Eur 1978 only - Oct 1 1:00s 0 - @@ -769,18 +811,13 @@ Rule W-Eur 1981 max - Mar lastSun 1:00s 1:00 " DST" Rule W-Eur 1996 max - Oct lastSun 1:00s 0 - # Older M-Eur rules are for convenience in the tables. -# From 1977 on, M-Eur differs from EC only in that M-Eur uses standard time. -Rule M-Eur 1800 only - Jan 1 0:00 0 - +# From 1977 on, M-Eur differs from EU only in that M-Eur uses standard time. Rule M-Eur 1916 only - Apr 30 23:00 1:00 " DST" Rule M-Eur 1916 only - Oct 1 1:00 0 - Rule M-Eur 1917 1918 - Apr Mon>=15 2:00s 1:00 " DST" Rule M-Eur 1917 1918 - Sep Mon>=15 2:00s 0 - Rule M-Eur 1940 only - Apr 1 2:00s 1:00 " DST" -# Shanks says DST was continuous from 1940 Apr 1 to 1942 Nov 2; go with Whitman. -Rule M-Eur 1940 only - Dec 31 2:00s 0 - -Rule M-Eur 1941 only - Feb 25 2:00s 1:00 " DST" -Rule M-Eur 1941 only - Oct 5 2:00s 0 - -Rule M-Eur 1942 only - Jan 1 2:00s 1:00 " DST" +# Whitman says 1941 DST was only from Feb 25 to Oct 5; go with Shanks. Rule M-Eur 1942 only - Nov 2 2:00s 0 - Rule M-Eur 1943 only - Mar 29 2:00s 1:00 " DST" Rule M-Eur 1943 only - Oct 4 2:00s 0 - @@ -795,7 +832,6 @@ Rule M-Eur 1981 max - Mar lastSun 2:00s 1:00 " DST" Rule M-Eur 1996 max - Oct lastSun 2:00s 0 - # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Russia 1880 only - Jan 1 0:00 0 - Rule Russia 1917 only - Jul 1 23:00 1:00 " DST" Rule Russia 1917 only - Dec 28 0:00 0 - Rule Russia 1918 only - May 31 22:00 2:00 " DDST" @@ -818,9 +854,9 @@ Rule Russia 1985 max - Mar lastSun 2:00s 1:00 D # These are for backward compatibility with older versions. # Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone WET 0:00 EC WET%s +Zone WET 0:00 EU WET%s Zone MET 1:00 M-Eur MET%s -Zone EET 2:00 EC EET%s +Zone EET 2:00 EU EET%s # Tom Hoffman says that MET is also known as Central European Time @@ -859,18 +895,17 @@ Zone Europe/Tirane 1:19:20 - LMT 1914 1:00 - MET 1940 Jun 16 1:00 Albania MET%s 1985 Mar 31 1:00 1:00 W-Eur MET%s -# This may change to `EC' soon. +# This may change to `EU' soon. # Andorra # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Europe/Andorra 0:06:04 - LMT 1901 0:00 - WET 1946 Sep 30 1:00 - MET 1985 Mar 31 2:00 - 1:00 EC MET%s + 1:00 EU MET%s # Austria # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Austria 1918 only - Jun 16 3:00 0 - Rule Austria 1920 only - Apr 5 2:00s 1:00 " DST" Rule Austria 1920 only - Sep 13 2:00s 0 - Rule Austria 1945 only - Apr 2 2:00s 1:00 " DST" @@ -885,7 +920,7 @@ Zone Europe/Vienna 1:05:20 - LMT 1893 Apr 1:00 Austria MET%s 1940 Apr 1 2:00 1:00 M-Eur MET%s 1945 Apr 2 2:00 1:00 Austria MET%s 1981 - 1:00 EC MET%s + 1:00 EU MET%s # Belarus # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -896,7 +931,7 @@ Zone Europe/Minsk 1:50:16 - LMT 1880 3:00 Russia MS%s 1991 Mar 31 2:00s 2:00 1:00 "EET DST" 1991 Sep 29 2:00s 2:00 M-Eur EET%s -# This may change to `EC' soon. +# This may change to `EU' soon. # Belgium # Whitman and Shanks disagree; go with Shanks, usually. @@ -944,7 +979,7 @@ Zone Europe/Brussels 0:17:20 - LMT 1880 0:00 Belgium WET%s 1940 Feb 24 23:00 1:00 M-Eur MET%s 1945 Apr 2 2:00 1:00 Belgium MET%s 1977 - 1:00 EC MET%s + 1:00 EU MET%s # Bosnia and Herzegovina # They switched from the Julian to the Gregorian calendar on 1918 Mar 18. @@ -954,7 +989,7 @@ Zone Europe/Sarajevo 1:13:40 - LMT 1884 1:00 M-Eur MET%s 1945 May 8 2:00s 1:00 1:00 "MET DST" 1945 Sep 16 2:00s 1:00 - MET 1983 - 1:00 EC MET%s + 1:00 EU MET%s # Bulgaria # Part switched from the Julian to the Gregorian calendar on 1915 Nov 14; @@ -973,7 +1008,7 @@ Zone Europe/Sofia 1:33:16 - LMT 1880 2:00 - EET 1979 Mar 31 23:00 2:00 Bulg EET%s 1982 Sep 26 2:00 2:00 M-Eur EET%s -# This may change to `EC' soon. +# This may change to `EU' soon. # Croatia # They switched from the Julian to the Gregorian calendar on 1918 Mar 18. @@ -983,11 +1018,10 @@ Zone Europe/Zagreb 1:03:52 - LMT 1884 1:00 M-Eur MET%s 1945 May 8 2:00s 1:00 1:00 "MET DST" 1945 Sep 16 2:00s 1:00 - MET 1983 - 1:00 EC MET%s + 1:00 EU MET%s # Czech Republic # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Czech 1944 only - Sep 17 2:00s 0 - Rule Czech 1945 only - Apr 8 2:00s 1:00 " DST" Rule Czech 1945 only - Nov 18 2:00s 0 - Rule Czech 1946 only - May 6 2:00s 1:00 " DST" @@ -1000,7 +1034,7 @@ Zone Europe/Prague 0:57:44 - LMT 1850 0:58 - PMT 1891 Oct # Prague Mean Time 1:00 M-Eur MET%s 1944 Sep 17 2:00s 1:00 Czech MET%s 1979 - 1:00 EC MET%s + 1:00 EU MET%s # Denmark # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S @@ -1025,10 +1059,10 @@ Zone Europe/Copenhagen 0:50:20 - LMT 1890 1:00 Denmark MET%s 1942 Nov 2 2:00s 1:00 M-Eur MET%s 1945 Apr 2 2:00 1:00 Denmark MET%s 1980 - 1:00 EC MET%s + 1:00 EU MET%s Zone Atlantic/Faeroe -0:27:04 - LMT 1908 Jan 11 # Torshavn 0:00 - WET 1981 - 0:00 EC WET%s + 0:00 EU WET%s Zone America/Scoresbysund -1:29:00 - LMT 1916 Jul 28 -2:00 - MGT 1980 Apr 6 2:00 -2:00 M-Eur MGT%s 1981 Mar 29 @@ -1057,7 +1091,7 @@ Zone Europe/Tallinn 1:39:00 - LMT 1880 3:00 Russia MS%s 1989 Mar 26 2:00s 2:00 1:00 "EET DST" 1989 Sep 24 2:00s 2:00 M-Eur EET%s -# This may change to `EC' soon. +# This may change to `EU' soon. # Finland # @@ -1070,20 +1104,18 @@ Zone Europe/Tallinn 1:39:00 - LMT 1880 # Go with Strang instead. # # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Finland 1921 only - May 1 0:00 0 - Rule Finland 1942 only - Apr 3 0:00 1:00 " DST" Rule Finland 1942 only - Oct 3 0:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Europe/Helsinki 1:39:52 - LMT 1878 May 31 1:40 - HMT 1921 May # Helsinki Mean Time 2:00 Finland EET%s 1981 Mar 29 2:00 - 2:00 EC EET%s + 2:00 EU EET%s # France # Shanks seems to use `24:00' ambiguously; we resolve it with Whitman. # From Shanks (1991): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule France 1911 only - Jan 1 0:00 0 - Rule France 1916 only - Jun 14 23:00s 1:00 " DST" Rule France 1916 1919 - Oct Sun>=1 0:00 0 - Rule France 1917 only - Mar 24 23:00s 1:00 " DST" @@ -1139,7 +1171,7 @@ Zone Europe/Paris 0:09:21 - LMT 1891 Mar 15 0:01 1:00 M-Eur MET%s 1944 Aug 25 0:00 France WET%s 1945 Sep 16 3:00 1:00 France MET%s 1977 - 1:00 EC MET%s + 1:00 EU MET%s # Germany # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S @@ -1159,21 +1191,20 @@ Rule Germany 1949 only - Apr 10 2:00s 1:00 " DST" Zone Europe/Berlin 0:53:28 - LMT 1893 Apr 1:00 M-Eur MET%s 1945 Apr 2 2:00 1:00 Germany MET%s 1980 - 1:00 EC MET%s + 1:00 EU MET%s # Gibraltar # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Europe/Gibraltar -0:21:24 - LMT 1880 Aug 2 0:00 GB-Eire %s 1957 Apr 14 2:00 1:00 - MET 1982 - 1:00 EC MET%s + 1:00 EU MET%s # Greece # They adopted the Julian calendar in 1846. # Part switched to the Gregorian calendar on 1916 Jul 28. # The rest switched on 1920 Mar 18. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Greece 1916 only - July 28 0:01 0 - # Whitman gives 1932 Jul 5 - Nov 1; go with Shanks. Rule Greece 1932 only - Jul 7 0:00 1:00 " DST" Rule Greece 1932 only - Sep 1 0:00 0 - @@ -1204,12 +1235,13 @@ Zone Europe/Athens 1:34:52 - LMT 1895 Sep 14 1:00 Greece MET%s 1944 Apr 4 2:00 Greece EET%s 1981 # Shanks says they switched to M-Eur in 1981; - # go with EC intead, since Greece joined it on Jan 1. - 2:00 EC EET%s + # go with EU intead, since Greece joined it on Jan 1. + 2:00 EU EET%s # Hungary # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Hungary 1918 only - Sep 29 2:00s 0 - +Rule Hungary 1918 only - Apr 1 3:00 1:00 " DST" +Rule Hungary 1918 only - Sep 29 3:00 0 - Rule Hungary 1919 only - Apr 15 3:00 1:00 " DST" Rule Hungary 1919 only - Sep 15 3:00 0 - Rule Hungary 1920 only - Apr 5 3:00 1:00 " DST" @@ -1230,11 +1262,11 @@ Rule Hungary 1957 only - Sep lastSun 3:00 0 - Rule Hungary 1980 only - Apr 6 1:00 1:00 " DST" # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Europe/Budapest 1:16:20 - LMT 1890 Oct - 1:00 M-Eur MET%s 1918 Jul + 1:00 M-Eur MET%s 1918 1:00 Hungary MET%s 1941 Apr 6 2:00 1:00 M-Eur MET%s 1945 May 1 23:00 1:00 Hungary MET%s 1980 Sep 28 2:00s - 1:00 EC MET%s + 1:00 EU MET%s # Iceland # @@ -1272,7 +1304,6 @@ Zone Europe/Budapest 1:16:20 - LMT 1890 Oct # Reykavik was -1:28 from 1837 to 1908, local mean time before that. # # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Iceland 1908 only - Jan 1 0:00 0 S Rule Iceland 1917 1918 - Feb 19 23:00 1:00 D Rule Iceland 1917 only - Oct 21 1:00 0 S Rule Iceland 1918 only - Nov 16 1:00 0 S @@ -1300,22 +1331,43 @@ Zone Atlantic/Reykjavik -1:27:24 - LMT 1837 0:00 - GMT # Italy +# From Paul Eggert (1996-05-06): +# For Italian DST we have three sources: Shanks, Whitman, and F. Pollastri +# (see `FP' below), +# taken from a publication of the Italian National Electrotechnical Institute. +# When the three sources disagree, guess who's right, as follows: +# +# year FP Shanks (S) Whitman (W) Go with: +# 1916 06-03 06-03 24:00 06-03 00:00 FP & W +# 09-30 09-30 24:00 09-30 01:00 FP; guess 24:00s +# 1917 04-01 03-31 24:00 03-31 00:00 FP & S +# 09-30 09-29 24:00 09-30 01:00 FP & W +# 1918 03-09 03-09 24:00 03-09 00:00 FP & S +# 10-06 10-05 24:00 10-06 01:00 FP & W +# 1919 03-01 03-01 24:00 03-01 00:00 FP & S +# 10-04 10-04 24:00 10-04 01:00 FP; guess 24:00s +# 1920 03-20 03-20 24:00 03-20 00:00 FP & S +# 09-18 09-18 24:00 10-01 01:00 FP; guess 24:00s +# 1944 04-02 04-03 02:00 S (see M-Eur) +# 09-16 10-02 03:00 FP; guess 24:00s +# 1945 09-14 09-16 24:00 FP; guess 24:00s +# 1970 05-21 05-31 00:00 S +# 09-20 09-27 00:00 S +# # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Italy 1893 only - Nov 1 0:00s 0 S -# Shanks gives transition times of 1916-1920 as 24:00; go with Whitman. Rule Italy 1916 only - Jun 3 0:00s 1:00 " DST" -Rule Italy 1916 only - Sep 30 0:00s 0 - -Rule Italy 1917 only - Mar 31 0:00s 1:00 " DST" +Rule Italy 1916 only - Oct 1 0:00s 0 - +Rule Italy 1917 only - Apr 1 0:00s 1:00 " DST" Rule Italy 1917 only - Sep 30 0:00s 0 - -Rule Italy 1918 only - Mar 9 0:00s 1:00 " DST" +Rule Italy 1918 only - Mar 10 0:00s 1:00 " DST" Rule Italy 1918 1919 - Oct Sun>=1 0:00s 0 - -Rule Italy 1919 only - Mar 1 0:00s 1:00 " DST" -Rule Italy 1920 only - Mar 20 0:00s 1:00 " DST" -# Shanks gives 1920 Sep 18; go with Whitman. -Rule Italy 1920 only - Oct 1 0:00s 0 - -Rule Italy 1940 only - Jun 15 0:00 1:00 " DST" +Rule Italy 1919 only - Mar 2 0:00s 1:00 " DST" +Rule Italy 1920 only - Mar 21 0:00s 1:00 " DST" +Rule Italy 1920 only - Sep 19 0:00s 0 - +Rule Italy 1940 only - Jun 15 0:00s 1:00 " DST" +Rule Italy 1944 only - Sep 17 0:00s 0 - Rule Italy 1945 only - Apr 2 2:00 1:00 " DST" -Rule Italy 1945 only - Sep 17 0:00 0 - +Rule Italy 1945 only - Sep 15 0:00s 0 - Rule Italy 1946 only - Mar 17 2:00s 1:00 " DST" Rule Italy 1946 only - Oct 6 2:00s 0 - Rule Italy 1947 only - Mar 16 0:00s 1:00 " DST" @@ -1343,9 +1395,9 @@ Rule Italy 1979 only - Sep 30 0:00s 0 - Zone Europe/Rome 0:49:56 - LMT 1866 Sep 22 0:50 - RMT 1893 Nov # Rome Mean Time 1:00 Italy MET%s 1942 Nov 2 2:00s - 1:00 M-Eur MET%s 1945 Apr 2 2:00s + 1:00 M-Eur MET%s 1944 Jul 1:00 Italy MET%s 1980 - 1:00 EC MET%s + 1:00 EU MET%s Link Europe/Rome Europe/Vatican Link Europe/Rome Europe/San_Marino @@ -1364,13 +1416,13 @@ Zone Europe/Riga 1:36:24 - LMT 1880 3:00 Russia MS%s 1991 Mar 31 2:00s 2:00 1:00 "EET DST" 1991 Sep 29 2:00s 2:00 M-Eur EET%s -# This may change to `EC' soon. +# This may change to `EU' soon. # Liechtenstein # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Europe/Vaduz 0:38:04 - LMT 1894 Jun 1:00 - MET 1981 - 1:00 EC MET%s + 1:00 EU MET%s # Lithuania # They switched from the Julian to the Gregorian calendar on 1918 Feb 15. @@ -1386,12 +1438,11 @@ Zone Europe/Vilnius 1:41:16 - LMT 1880 3:00 Russia MS%s 1991 Mar 31 2:00s 2:00 1:00 "EET DST" 1991 Sep 29 2:00s 2:00 M-Eur EET%s -# This may change to `EC' soon. +# This may change to `EU' soon. # Luxembourg # Whitman disagrees with most of these dates in minor ways; go with Shanks. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Lux 1904 only - Jun 1 0:00 0 - Rule Lux 1916 only - May 14 23:00 1:00 " DST" Rule Lux 1916 only - Oct 1 1:00 0 - Rule Lux 1917 only - Apr 28 23:00 1:00 " DST" @@ -1422,7 +1473,7 @@ Zone Europe/Luxembourg 0:24:36 - LMT 1904 Jun 0:00 Belgium WET%s 1940 May 14 3:00 1:00 M-Eur WET%s 1944 Sep 18 3:00 1:00 Belgium MET%s 1977 - 1:00 EC MET%s + 1:00 EU MET%s # Macedonia # They switched from the Julian to the Gregorian calendar on 1918 Mar 18. @@ -1432,7 +1483,7 @@ Zone Europe/Skopje 1:25:44 - LMT 1884 1:00 M-Eur MET%s 1945 May 8 2:00s 1:00 1:00 "MET DST" 1945 Sep 16 2:00s 1:00 - MET 1983 - 1:00 EC MET%s + 1:00 EU MET%s # Malta # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S @@ -1449,7 +1500,7 @@ Zone Europe/Malta 0:58:04 - LMT 1893 Nov 2 # Valletta 1:00 M-Eur MET%s 1945 Apr 2 2:00s 1:00 Italy MET%s 1973 Mar 31 1:00 Malta MET%s 1981 - 1:00 EC MET%s + 1:00 EU MET%s # Moldova # They switched from the Julian to the Gregorian calendar on 1919 Mar 18. @@ -1459,7 +1510,7 @@ Zone Europe/Chisinau 1:55:20 - LMT 1924 May 2 3:00 Russia MS%s 1991 Mar 31 2:00s 2:00 1:00 "EET DST" 1991 Sep 29 2:00s 2:00 M-Eur EET%s -# This may change to `EC' soon. +# This may change to `EU' soon. # Monaco # Shanks gives 0:09 for Paris Mean Time; go with Howse's more precise 0:09:21. @@ -1468,13 +1519,12 @@ Zone Europe/Monaco 0:29:32 - LMT 1891 Mar 15 0:09:21 - PMT 1911 Mar 11 # Paris Mean Time 0:00 France WET%s 1945 Sep 16 3:00 1:00 France MET%s 1977 - 1:00 EC MET%s + 1:00 EU MET%s # Netherlands # Howse writes that the Netherlands' railways used GMT between 1892 and 1940, # but for other purposes the Netherlands used Amsterdam mean time. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Neth 1892 only - May 1 0:00 0 AMT # Shanks gives 1916 May 1 0:00 and 1916 Oct 1 0:00; go with Whitman. Rule Neth 1916 only - May 1 2:00s 1:00 NST Rule Neth 1916 only - Oct 2 2:00s 0 AMT @@ -1506,11 +1556,10 @@ Zone Europe/Amsterdam 0:19:28 - LMT 1892 May 0:20 Neth %s 1940 May 16 0:40 1:00 M-Eur MET%s 1945 Apr 2 2:00 1:00 Neth MET%s 1977 - 1:00 EC MET%s + 1:00 EU MET%s # Norway # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Norway 1892 only - May 1 0:00 0 - # Whitman gives 1916 May 21 - 1916 Oct 21; go with Shanks. Rule Norway 1916 only - May 22 1:00 1:00 " DST" Rule Norway 1916 only - Sep 30 0:00 0 - @@ -1528,7 +1577,7 @@ Zone Europe/Oslo 0:43:00 - LMT 1895 1:00 Norway MET%s 1940 Aug 10 23:00 1:00 M-Eur MET%s 1945 Apr 2 2:00 1:00 Norway MET%s 1980 - 1:00 EC MET%s + 1:00 EU MET%s # Svalbard is like Europe/Oslo. # # From Whitman: @@ -1569,11 +1618,10 @@ Zone Europe/Warsaw 1:24:00 - LMT 1880 1:00 M-Eur MET%s 1944 Oct 1:00 Poland MET%s 1977 Apr 3 1:00 1:00 W-Eur MET%s -# This may change to `EC' soon. +# This may change to `EU' soon. # Portugal # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Port 1911 only - May 24 0:00 0 - Rule Port 1916 only - Jun 17 23:00 1:00 " DST" # Whitman gives 1916 Oct 31; go with Shanks. Rule Port 1916 only - Nov 1 1:00 0 - @@ -1640,16 +1688,16 @@ Zone Europe/Lisbon -0:36:32 - LMT 1884 0:00 Port WET%s 1966 Apr 3 2:00 1:00 - MET 1976 Sep 26 1:00 0:00 Port WET%s 1983 Sep 25 1:00s - 0:00 EC WET%s 1992 Sep 27 1:00s + 0:00 EU WET%s 1992 Sep 27 1:00s # From Rui Pedro Salgueiro (November 12, 1992): # Portugal has recently (September, 27) changed timezone # (from WET to MET or CET) to harmonize with EEC. - 1:00 EC MET%s 1996 Mar 31 1:00u + 1:00 EU MET%s 1996 Mar 31 1:00u # Martin Bruckmann (1996-02-29) reports via Peter Ilieve # that Portugal is reverting to 0:00 by not moving its clocks this spring. # The new Prime Minister was fed up with getting up in the dark in the winter. - 0:00 - "WET DST" 1996 Oct 27 1:00u - 0:00 EC WET%s + 0:00 1:00 "WET DST" 1996 Oct 27 1:00u + 0:00 EU WET%s # We don't know what happened to Madeira or the Azores, # so we'll just use Shanks for now. # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -1664,13 +1712,12 @@ Zone Atlantic/Madeira -1:07:36 - LMT 1884 # Funchal -1:00 Port ACT%s 1966 Apr 3 2:00 0:00 - WET 1977 Mar 27 0:00 Port WET%s 1983 Sep 25 1:00s - 0:00 EC WET%s + 0:00 EU WET%s # Romania # Catholic Romania switched from the Julian to the Gregorian calendar on # on 1919 Mar 18. Greek Orthodox Romania switched on 1920 Mar 18. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Romania 1931 only - Jul 24 0:00 0 - Rule Romania 1932 only - May 21 0:00s 1:00 " DST" Rule Romania 1932 1939 - Oct Sun>=1 0:00s 0 - Rule Romania 1933 1939 - Apr Sun>=2 0:00s 1:00 " DST" @@ -1683,7 +1730,7 @@ Zone Europe/Bucharest 1:44:24 - LMT 1891 Oct 1:44 - BMT 1931 Jul 24 # Bucharest MT 2:00 Romania EET%s 1981 Mar 29 2:00s 2:00 M-Eur EET%s -# This may change to `EC' soon. +# This may change to `EU' soon. # Russia # From Paul Eggert (May 28, 1994): @@ -1730,7 +1777,6 @@ Zone Asia/Omsk 4:53:36 - LMT 1924 May 2 # 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 @@ -1739,12 +1785,12 @@ Zone Asia/Novosibirsk 5:31:40 - LMT 1924 May 2 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/Krasnoyarsk 6:11:20 - LMT 1924 May 2 + 6:00 - KRSK 1957 Mar + 7:00 Russia KRS%s 1991 Mar 31 2:00s + 6:00 1:00 KRSD 1991 Sep 29 2:00s + 6:00 - KRSK 1992 Jan 19 2:00s + 7:00 Russia KRS%s Zone Asia/Irkutsk 6:57:20 - LMT 1880 6:57 - LST 1924 May 2 7:00 - ISK 1957 Mar @@ -1796,11 +1842,10 @@ Zone Europe/Ljubljana 0:58:04 - LMT 1884 1:00 M-Eur MET%s 1945 May 8 2:00s 1:00 1:00 "MET DST" 1945 Sep 16 2:00s 1:00 - MET 1983 - 1:00 EC MET%s + 1:00 EU MET%s # Spain # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Spain 1901 only - Jan 1 0:00 0 - # For 1917-1919 Whitman gives Apr Sat>=1 - Oct Sat>=1; go with Shanks. Rule Spain 1917 only - May 5 23:00s 1:00 " DST" Rule Spain 1917 1919 - Oct 6 23:00s 0 - @@ -1842,12 +1887,12 @@ Rule Spain 1978 only - Oct 1 1:00 0 - Zone Europe/Madrid -0:14:44 - LMT 1901 0:00 Spain WET%s 1946 Sep 30 1:00 Spain MET%s 1979 - 1:00 EC MET%s + 1:00 EU MET%s Zone Atlantic/Canary -1:01:36 - LMT 1922 Mar # Las Palmas de Gran C. -1:00 - ACT 1946 Sep 30 1:00 0:00 - WET 1980 Apr 6 0:00s 0:00 1:00 "WET DST" 1980 Sep 28 0:00s - 0:00 EC WET%s + 0:00 EU WET%s # Sweden # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -1856,7 +1901,7 @@ Zone Europe/Stockholm 1:12:12 - LMT 1878 May 31 1:00 - MET 1916 Apr 14 23:00s 1:00 1:00 "MET DST" 1916 Sep 30 23:00s 1:00 - MET 1980 - 1:00 EC MET%s + 1:00 EU MET%s # Switzerland # From Howse (1988), p 82: @@ -1864,7 +1909,6 @@ Zone Europe/Stockholm 1:12:12 - LMT 1878 May 31 # and their performance improved enormously. Communities began to keep # mean time in preference to apparent time -- Geneva from 1780 .... # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Swiss 1894 only - Jun 1 0:00 0 - # From Whitman (who writes ``Midnight?''): Rule Swiss 1940 only - Nov 2 0:00 1:00 " DST" Rule Swiss 1940 only - Dec 31 0:00 0 - @@ -1875,13 +1919,12 @@ Rule Swiss 1941 1942 - Oct Sun>=1 0:00 0 - Zone Europe/Zurich 0:34:08 - LMT 1848 Sep 12 0:30 - SST 1894 Jun # Swiss Standard Time 1:00 Swiss MET%s 1981 - 1:00 EC MET%s + 1:00 EU MET%s # Turkey # European Turkey switched to the Gregorian calendar in 1908. # Asian Turkey switched in 1914. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Turkey 1910 only - Oct 1 0:00 0 - Rule Turkey 1916 only - May 1 0:00 1:00 " DST" Rule Turkey 1916 only - Oct 1 0:00 0 - Rule Turkey 1920 only - Mar 28 0:00 1:00 " DST" @@ -1941,7 +1984,7 @@ Zone Europe/Istanbul 1:55:52 - LMT 1880 3:00 Turkey TUR%s 1985 Apr 20 2:00 Turkey EET%s 1986 2:00 M-Eur EET%s -# This may change to `EC' soon. +# This may change to `EU' soon. Link Europe/Istanbul Asia/Istanbul # Istanbul is in both continents. # Ukraine @@ -1959,7 +2002,7 @@ Zone Europe/Kiev 2:02:04 - LMT 1880 2:00 - EET 1930 Jun 21 3:00 Russia MS%s 1990 Jul 17 2:00 M-Eur EET%s -# This may change to `EC' soon. +# This may change to `EU' soon. Zone Europe/Simferopol 2:16:24 - LMT 1880 2:08 Russia LST%s 1919 Jul 1 2:00 2:08 Ukraine LST%s 1924 May 2 @@ -1981,7 +2024,7 @@ Zone Europe/Belgrade 1:22:00 - LMT 1884 1:00 M-Eur MET%s 1945 May 8 2:00s 1:00 1:00 "MET DST" 1945 Sep 16 2:00s 1:00 - MET 1983 - 1:00 EC MET%s + 1:00 EU MET%s ############################################################################### diff --git a/share/zoneinfo/northamerica b/share/zoneinfo/northamerica index d142790..5771981 100644 --- a/share/zoneinfo/northamerica +++ b/share/zoneinfo/northamerica @@ -1,4 +1,4 @@ -# @(#)northamerica 7.22 +# @(#)northamerica 7.26 # also includes Central America and the Caribbean # This data is by no means authoritative; if you think you know better, @@ -21,6 +21,24 @@ # Make sure you have the errata sheet; the book is somewhat useless without it. # It is the source for the US and Puerto Rico entries below. +# From Paul Eggert (1996-06-12): +# Daylight Saving Time was first suggested as a joke by Benjamin Franklin +# in his whimsical essay ``Turkey vs Eagle, McCauley is my Beagle'' (1784). +# Not everyone is happy with the results: +# +# I don't really care how time is reckoned so long as there is some +# agreement about it, but I object to being told that I am saving +# daylight when my reason tells me that I am doing nothing of the kind. +# I even object to the implication that I am wasting something +# valuable if I stay in bed after the sun has risen. As an admirer +# of moonlight I resent the bossy insistence of those who want to +# reduce my time for enjoying it. At the back of the Daylight Saving +# scheme I detect the bony, blue-fingered hand of Puritanism, eager +# to push people into bed earlier, and get them up earlier, to make +# them healthy, wealthy and wise in spite of themselves. +# +# -- Robertson Davies, The Diary of Samuel Marchbanks (1947), XIX, Sunday + # From Arthur David Olson: # US Daylight Saving Time ended on the last Sunday of *October* in 1974. # See, for example, the front page of the Saturday, October 26, 1974 @@ -160,11 +178,11 @@ Rule Denver 1965 1966 - Apr lastSun 2:00 1:00 D Rule Denver 1965 1966 - Oct lastSun 2:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Denver -6:59:56 - LMT 1883 Nov 18 12:00 - -7:00 US E%sT 1920 - -7:00 Denver E%sT 1942 - -7:00 US E%sT 1946 - -7:00 Denver E%sT 1967 - -7:00 US E%sT + -7:00 US M%sT 1920 + -7:00 Denver M%sT 1942 + -7:00 US M%sT 1946 + -7:00 Denver M%sT 1967 + -7:00 US M%sT # US Pacific time, represented by Los Angeles # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER @@ -461,82 +479,8 @@ Link Pacific/Honolulu HST # # See the `africa' file for Zone naming conventions. - - # Canada -# Canada is reportedly lots easier than the US--leastways since 1951. -# I don't know what they did before then. -# 4.3BSD claims that it's perfectly regular. -# According to a posting in "comp.bugs.misc", "comp.unix.wizards", etc. -# on February 8, 1987, by Dave Sherman of the Law Society of Upper Canada, -# "...Canada (well, Ontario and at least some of the other provinces) are -# adopting the new daylight savings time rules...". We assume all of -# Canada is doing so. - -# From Bob Devine (January 28, 1988): -# All of Canada did have DST from your first rule except Saskatchewan. -# Which parts did not observe DST is hard to pinpoint but most of the -# province follows the rules. -# NOTE: those that didn't have DST for that rule, also -# probably did not have it for several years previous. - -# From U. S. Naval Observatory (January 19, 1989): -# CANADA NEW FDL 3.5H BEHIND UTC ST.JOHN'S -# CANADA NEW FDL 1.5H BEHIND UTC APR 3 - OCT 29 -# CANADA ATLANTIC 4 H BEHIND UTC HALIFAX -# CANADA ATLANTIC 3 H BEHIND UTC APR 3 - OCT 29 -# CANADA EASTERN 5 H BEHIND UTC TORONTO, MONTREAL, OTTAWA -# CANADA EASTERN 4 H BEHIND UTC APR 3 - OCT 29 -# CANADA CENTRAL 6 H BEHIND UTC REGINA, WINNIPEG -# CANADA CENTRAL 5 H BEHIND UTC APR 3 - OCT 29 -# CANADA MOUNTAIN 7 H BEHIND UTC CALGARY, EDMONTON -# CANADA MOUNTAIN 6 H BEHIND UTC APR 3 - OCT 29 -# CANADA PACIFIC 8 H BEHIND UTC VANCOUVER -# CANADA PACIFIC 7 H BEHIND UTC APR 3 - OCT 29 -# CANADA YUKON SAME AS PACIFIC DAWSON - -# From Arthur David Olson (January 21, 1989): -# April 3 fell on a Sunday in 1988; October 29 fell on a Sunday in 1989. Ahem. -# Note claim that there's double DST in Newfoundland and that Yukon should -# be same as Pacific. - -# From W. Jones (jones@skdad.usask.ca) (November 6, 1992): -# The. . .below is based on information I got from our law library, the -# provincial archives, and the provincial Community Services department. -# A precise history would require digging through newspaper archives, and -# since you didn't say what you wanted, I didn't bother. -# -# Saskatchewan is split by a time zone meridian (105W) and over the years -# the boundary became pretty ragged as communities near it reevaluated -# their affiliations in one direction or the other. In 1965 a provincial -# referendum favoured legislating common time practices. -# -# On 15 April 1966 the Time Act (c. T-14, Revised Statutes of -# Saskatchewan 1978) was proclaimed, and established that the eastern -# part of Saskatchewan would use CST year round, that districts in -# northwest Saskatchewan would by default follow CST but could opt to -# follow Mountain Time rules (thus 1 hour difference in the winter and -# zero in the summer), and that districts in southwest Saskatchewan would -# by default follow MT but could opt to follow CST. -# -# It took a few years for the dust to settle (I know one story of a town -# on one time zone having its school in another, such that a mom had to -# serve her family lunch in two shifts), but presently it seems that only -# a few towns on the border with Alberta (e.g. Lloydminster) follow MT -# rules any more; all other districts appear to have used CST year round -# since sometime in the 1960s. -# -# Here's how I would summarize things. Establish a "Saskatchewan" CST -# time zone, and note that it officially exists as of 15 April 1966. Any -# current exceptions can put themselves in the "Mountain" zone, since -# those are the rules they follow. Any past exceptions can be forgotten, -# since that's what those who live here have done. - -# From Arthur David Olson (November 21, 1992): -# East-Saskatchewan kept to avoid problems for folks using that zone by name; -# plain Saskatchewan added. - # From Alain LaBont (1994-11-14): # I post here the time zone abbreviations standardized in Canada # for both English and French in the CAN/CSA-Z234.4-89 standard.... @@ -569,11 +513,22 @@ Link Pacific/Honolulu HST # From Paul Eggert (1994-11-22): # Alas, this sort of thing must be handled by localization software. +# The data for Canada are all from Shanks (1991). -# From Shanks (1991): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule StJohns 1884 only - Jan 1 0:00 0 S +Rule Canada 1918 only - Apr 14 2:00 1:00 D +Rule Canada 1918 only - Oct 31 2:00 0 S +Rule Canada 1942 only - Feb 9 2:00 1:00 D +Rule Canada 1945 only - Sep 30 2:00 0 S +Rule Canada 1974 1986 - Apr lastSun 2:00 1:00 D +Rule Canada 1974 max - Oct lastSun 2:00 0 S +Rule Canada 1987 max - Apr Sun>=1 2:00 1:00 D + + +# Newfoundland + +# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule StJohns 1917 1918 - Apr Sun>=8 2:00 1:00 D Rule StJohns 1917 only - Sep 17 2:00 0 S Rule StJohns 1918 only - Oct 31 2:00 0 S @@ -611,8 +566,17 @@ Zone America/St_Johns -3:30:52 - LMT 1884 -3:31 StJohns N%sT 1935 Mar 30 -3:30 StJohns N%sT + +# Labrador, New Brunswick, Nova Scotia, Prince Edward I + +# From Paul Eggert (1996-06-12): +# Shanks writes that since 1970 most of this region has been like Halifax. +# Many locales did not observe peacetime DST until 1972; +# Glace Bay, NS is the largest that we know of. +# Shanks also writes that Liverpool, NS was the only town in Canada to observe +# DST in 1971 but not 1970; for now we'll assume this is a typo. + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Halifax 1902 only - Jun 15 0:00 0 S Rule Halifax 1916 only - Apr 1 0:00 1:00 D Rule Halifax 1916 only - Oct 1 0:00 0 S Rule Halifax 1918 only - Apr 14 2:00 1:00 D @@ -656,9 +620,23 @@ Rule Halifax 1987 max - Apr Sun>=1 2:00 1:00 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Halifax -4:14:24 - LMT 1902 Jun 15 -4:00 Halifax A%sT +Zone America/Glace_Bay -3:59:48 - LMT 1902 Jun 15 + -4:00 Canada A%sT 1953 + -4:00 Halifax A%sT 1954 + -4:00 - AST 1972 + -4:00 Halifax A%sT + + +# Ontario, Quebec + +# From Paul Eggert (1996-06-12): +# Shanks writes that since 1970 most of this region has been like Montreal. +# Thunder Bay skipped DST in 1973. +# Many smaller locales did not observe peacetime DST until 1974; +# Nipigon (EST) and Rainy River (CST) are the largest that we know of. +# Far west Ontario is like Winnipeg; far east Quebec is like Halifax. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Mont 1884 only - Jan 1 0:00 0 S Rule Mont 1917 only - Mar 25 2:00 1:00 D Rule Mont 1917 only - Apr 24 0:00 0 S Rule Mont 1918 only - Apr 14 2:00 1:00 D @@ -690,9 +668,20 @@ Rule Mont 1987 max - Apr Sun>=1 2:00 1:00 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Montreal -4:54:16 - LMT 1884 -5:00 Mont E%sT +Zone America/Thunder_Bay -5:57:00 - LMT 1895 + -5:00 Canada E%sT 1970 + -5:00 Mont E%sT 1973 + -5:00 - EST 1974 + -5:00 Canada E%sT +Zone America/Nipigon -5:53:04 - LMT 1895 + -5:00 Canada E%sT +Zone America/Rainy_River -6:17:56 - LMT 1895 + -6:00 Canada C%sT + + +# Manitoba # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Winn 1887 only - Jul 16 0:00 0 S Rule Winn 1916 only - Apr 23 0:00 1:00 D Rule Winn 1916 only - Sep 17 0:00 0 S Rule Winn 1918 only - Apr 14 2:00 1:00 D @@ -720,8 +709,41 @@ Rule Winn 1987 max - Apr Sun>=1 2:00 1:00 D Zone America/Winnipeg -6:28:36 - LMT 1887 Jul 16 -6:00 Winn C%sT + +# Saskatchewan + +# From Paul Eggert (1996-06-12): +# Shanks writes that since 1970 most of this region has been like Regina. +# Some western towns (e.g. Swift Current) switched from MST/MDT to CST in 1972. +# Other western towns (e.g. Lloydminster) are like Edmonton. + +# From W. Jones (November 6, 1992): +# The. . .below is based on information I got from our law library, the +# provincial archives, and the provincial Community Services department. +# A precise history would require digging through newspaper archives, and +# since you didn't say what you wanted, I didn't bother. +# +# Saskatchewan is split by a time zone meridian (105W) and over the years +# the boundary became pretty ragged as communities near it reevaluated +# their affiliations in one direction or the other. In 1965 a provincial +# referendum favoured legislating common time practices. +# +# On 15 April 1966 the Time Act (c. T-14, Revised Statutes of +# Saskatchewan 1978) was proclaimed, and established that the eastern +# part of Saskatchewan would use CST year round, that districts in +# northwest Saskatchewan would by default follow CST but could opt to +# follow Mountain Time rules (thus 1 hour difference in the winter and +# zero in the summer), and that districts in southwest Saskatchewan would +# by default follow MT but could opt to follow CST. +# +# It took a few years for the dust to settle (I know one story of a town +# on one time zone having its school in another, such that a mom had to +# serve her family lunch in two shifts), but presently it seems that only +# a few towns on the border with Alberta (e.g. Lloydminster) follow MT +# rules any more; all other districts appear to have used CST year round +# since sometime in the 1960s. + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Regina 1905 only - Sep 1 0:00 0 S Rule Regina 1918 only - Apr 14 2:00 1:00 D Rule Regina 1918 only - Oct 31 2:00 0 S Rule Regina 1930 1934 - May Sun>=1 0:00 1:00 D @@ -732,17 +754,31 @@ Rule Regina 1938 only - Oct Sun>=1 0:00 0 S Rule Regina 1939 1941 - Oct Sun>=8 0:00 0 S Rule Regina 1942 only - Feb 9 2:00 1:00 D Rule Regina 1945 only - Sep lastSun 2:00 0 S -Rule Regina 1946 only - Apr 14 2:00 1:00 D -Rule Regina 1946 only - Oct 13 2:00 0 S -Rule Regina 1947 1960 - Apr lastSun 2:00 1:00 D -Rule Regina 1947 1959 - Sep lastSun 2:00 0 S +Rule Regina 1946 only - Apr Sun>=8 2:00 1:00 D +Rule Regina 1946 only - Oct Sun>=8 2:00 0 S +Rule Regina 1947 1959 - Apr lastSun 2:00 1:00 D +Rule Regina 1947 1958 - Sep lastSun 2:00 0 S +Rule Regina 1959 only - Oct lastSun 2:00 0 S +# +Rule Swift 1957 only - Apr lastSun 2:00 1:00 D +Rule Swift 1957 only - Oct lastSun 2:00 0 S +Rule Swift 1959 1961 - Apr lastSun 2:00 1:00 D +Rule Swift 1959 only - Oct lastSun 2:00 0 S +Rule Swift 1960 1961 - Sep lastSun 2:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone America/Regina -6:58:36 - LMT 1905 Sep - -7:00 Regina M%sT 1966 Apr 15 +Zone America/Regina -6:58:36 - LMT 1905 Sep + -7:00 Regina M%sT 1960 Apr lastSun 2:00 -6:00 - CST +Zone America/Swift_Current -7:11:20 - LMT 1905 Sep + -7:00 Canada M%sT 1946 Apr lastSun 2:00 + -7:00 Regina M%sT 1950 + -7:00 Swift M%sT 1972 Apr lastSun 2:00 + -6:00 - CST + + +# Alberta # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Edm 1906 only - Sep 1 0:00 0 S Rule Edm 1918 1919 - Apr Sun>=8 2:00 1:00 D Rule Edm 1918 only - Oct 31 2:00 0 S Rule Edm 1919 only - May 27 2:00 0 S @@ -764,8 +800,14 @@ Rule Edm 1987 max - Apr Sun>=1 2:00 1:00 D Zone America/Edmonton -7:33:52 - LMT 1906 Sep -7:00 Edm M%sT + +# British Columbia + +# From Paul Eggert (1996-06-12): +# Shanks writes that since 1970 most of this region has been like Vancouver. +# Dawswon Creek uses MST. Much of east BC is like Edmonton. + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Vanc 1884 only - Jan 1 0:00 0 S Rule Vanc 1918 only - Apr 14 2:00 1:00 D Rule Vanc 1918 only - Oct 31 2:00 0 S Rule Vanc 1942 only - Feb 9 2:00 1:00 D @@ -778,24 +820,50 @@ Rule Vanc 1987 max - Apr Sun>=1 2:00 1:00 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Vancouver -8:12:28 - LMT 1884 -8:00 Vanc P%sT +Zone America/Dawson_Creek -8:00:56 - LMT 1884 + -8:00 Canada P%sT 1947 + -8:00 Vanc P%sT 1972 Aug 30 2:00 + -7:00 - MST + + +# Northwest Territories, Yukon + +# From Paul Eggert (1996-06-12): +# Dawson switched to PST in 1973. Inuvik switched to MST in 1979. +# Shanks's table for Watson Lake is corrupted, so we have no data there. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Yukon 1900 only - Jan 1 0:00 0 S -Rule Yukon 1918 only - Apr 14 2:00 1:00 D -Rule Yukon 1918 only - Oct 27 2:00 0 S -Rule Yukon 1919 only - May 25 2:00 1:00 D -Rule Yukon 1919 only - Nov 1 0:00 0 S -Rule Yukon 1942 only - Feb 9 2:00 1:00 D -Rule Yukon 1965 only - Apr 25 0:00 1:00 D -Rule Yukon 1965 only - Oct 31 2:00 0 S -Rule Yukon 1980 1986 - Apr lastSun 2:00 1:00 D -Rule Yukon 1980 max - Oct lastSun 2:00 0 S -Rule Yukon 1987 max - Apr Sun>=1 2:00 1:00 D +Rule NT_YK 1918 only - Apr 14 2:00 1:00 D +Rule NT_YK 1918 only - Oct 27 2:00 0 S +Rule NT_YK 1919 only - May 25 2:00 1:00 D +Rule NT_YK 1919 only - Nov 1 0:00 0 S +Rule NT_YK 1942 only - Feb 9 2:00 1:00 D +Rule NT_YK 1945 only - Sep 30 2:00 0 S +# 0:00 ?? +Rule NT_YK 1965 only - Apr lastSun 0:00 2:00 DD +Rule NT_YK 1965 only - Oct lastSun 2:00 0 S +Rule NT_YK 1980 1986 - Apr lastSun 2:00 1:00 D +Rule NT_YK 1980 max - Oct lastSun 2:00 0 S +Rule NT_YK 1987 max - Apr Sun>=1 2:00 1:00 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone America/Pangnirtung -4:22:56 - LMT 1884 + -4:00 NT_YK A%sT +Zone America/Iqaluit -4:33:52 - LMT 1884 # Frobisher Bay + -5:00 NT_YK E%sT +Zone America/Rankin_Inlet -6:08:40 - LMT 1884 + -6:00 NT_YK C%sT +Zone America/Yellowknife -7:37:24 - LMT 1884 + -7:00 NT_YK M%sT +Zone America/Inuvik -8:54:00 - LMT 1884 + -8:00 NT_YK P%sT 1979 Apr lastSun 2:00 + -7:00 NT_YK M%sT Zone America/Whitehorse -9:00:12 - LMT 1900 Aug 20 - -9:00 Yukon Y%sT 1966 Jul - -8:00 Yukon P%sT -# Parts of Yukon (e.g. Dawson) didn't switch to -8:00 until 1973 Oct 28. + -9:00 NT_YK Y%sT 1966 Jul 1 2:00 + -8:00 NT_YK P%sT +Zone America/Dawson -9:17:40 - LMT 1900 Aug 20 + -9:00 NT_YK Y%sT 1973 Oct lastSun 2:00 + -8:00 NT_YK P%sT + ############################################################################### @@ -848,22 +916,45 @@ Zone America/Whitehorse -9:00:12 - LMT 1900 Aug 20 # a zone that's GMT-8 with DST; a zone that's always GMT-7; # a zone that's GMT-6 with DST; and a zone that's always GMT-6. -# From Paul Eggert (November 18, 1993): +# From Paul Eggert (1993-11-18): # Shanks also says there are four zones, but disagrees about the fourth. # Instead of GMT-6 with DST, he says there's GMT-8 without DST. -# From Paul Eggert (1996-02-07): -# Today in news:4f90v4$g6g@news.internet.com.mx, Kevin Pitts -# wrote that Mexico will use Horario de Verano (DST) -# starting this year with the same rules as the US, and gave FIDE as a source. -# (FIDE is a private organization that promotes efficient electrical use.) -# On 1996-02-02 Mario Camou wrote that the transition times are Apr Sun>=1 -# 0:00 and Nov 1 0:00 but also wrote ``The DST-out date looks a bit fishy''. -# Go with Pitts after 1996, and with Shanks before that. +# From Alan Perry (1996-02-15): +# A guy from our Mexico subsidiary finally found the Presidential Decree +# outlining the timezone changes in Mexico. +# +# ------------- Begin Forwarded Message ------------- +# +# I finally got my hands on the Official Presidential Decree that sets up the +# rules for the DST changes. The rules are: +# +# 1. The country is divided in 3 timezones: +# - Baja California Norte (the Mexico/BajaNorte TZ) +# - Baja California Sur, Nayarit, Sinaloa and Sonora (the Mexico/BajaSur TZ) +# - The rest of the country (the Mexico/General TZ) +# +# 2. From the first Sunday in April at 2:00 AM to the last Sunday in October +# at 2:00 AM, the times in each zone are as follows: +# BajaNorte: GMT+7 +# BajaSur: GMT+6 +# General: GMT+5 +# +# 3. The rest of the year, the times are as follows: +# BajaNorte: GMT+8 +# BajaSur: GMT+7 +# General: GMT+6 +# +# The Decree was published in Mexico's Official Newspaper on January 4th. +# +# -------------- End Forwarded Message -------------- +# From Paul Eggert (1996-06-12): +# For an English translation of the decree, +# see ``Diario Oficial: Time Zone Changeover'', +# (1996-01-04). # From Shanks (1991): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Mexico 1922 only - Jan 1 0:00 0 S Rule Mexico 1939 only - Feb 5 0:00 1:00 D Rule Mexico 1939 only - Jun 25 0:00 0 S Rule Mexico 1940 only - Dec 9 0:00 1:00 D @@ -930,7 +1021,6 @@ Zone America/Antigua -4:07:12 - LMT 1912 Mar 2 # Bahamas # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Bahamas 1912 only - Mar 2 0:00 0 S Rule Bahamas 1964 max - Oct lastSun 2:00 0 S Rule Bahamas 1964 1986 - Apr lastSun 2:00 1:00 D Rule Bahamas 1987 max - Apr Sun>=1 2:00 1:00 D @@ -940,7 +1030,6 @@ Zone America/Nassau -5:09:24 - LMT 1912 Mar 2 # Barbados # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Barb 1932 only - Jan 1 0:00 0 S Rule Barb 1977 only - Jun 12 2:00 1:00 D Rule Barb 1977 1978 - Oct Sun>=1 2:00 0 S Rule Barb 1978 1980 - Apr Sun>=15 2:00 1:00 D @@ -954,7 +1043,6 @@ Zone America/Barbados -3:58:28 - LMT 1924 # Bridgetown # Belize # Whitman entirely disagrees with Shanks; go with Shanks. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Belize 1912 only - Apr 1 0:00 0 S Rule Belize 1918 1942 - Oct Sun>=2 0:00 0:30 HD Rule Belize 1919 1943 - Feb Sun>=9 0:00 0 S Rule Belize 1973 only - Dec 5 0:00 1:00 D @@ -984,7 +1072,6 @@ Zone America/Cayman -5:25:32 - LMT 1890 # Georgetown # Shanks gives some very odd dates for 1991, and stops there. # For now, we won't guess further. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule CR 1921 only - Jan 15 0:00 0 S Rule CR 1979 1980 - Feb lastSun 0:00 1:00 D Rule CR 1979 1980 - Jun Sun>=1 0:00 0 S Rule CR 1991 only - Jan 19 0:00 1:00 D @@ -1010,7 +1097,6 @@ Zone America/Costa_Rica -5:36:20 - LMT 1890 # San Jose # From Shanks (1991): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Cuba 1925 only - Jul 19 12:00 0 S Rule Cuba 1928 only - Jun 10 0:00 1:00 D Rule Cuba 1928 only - Oct 10 0:00 0 S Rule Cuba 1940 1942 - Jun Sun>=1 0:00 1:00 D @@ -1049,7 +1135,6 @@ Zone America/Dominica -4:05:36 - LMT 1911 Jul 1 0:01 # Roseau # Dominican Republic # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule DR 1933 only - Apr 1 12:00 0 S Rule DR 1966 only - Oct 30 0:00 1:00 D Rule DR 1967 only - Feb 28 0:00 0 S Rule DR 1969 1973 - Oct lastSun 0:00 0:30 HD @@ -1064,7 +1149,6 @@ Zone America/Santo_Domingo -4:39:36 - LMT 1890 # El Salvador # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Salv 1921 only - Jan 1 0:00 0 S Rule Salv 1987 1988 - May Sun>=1 0:00 1:00 D Rule Salv 1987 1988 - Sep lastSun 0:00 0 S # There are too many San Salvadors elsewhere, so we'll use `El Salvador'. @@ -1084,7 +1168,6 @@ Zone America/Guadeloupe -4:06:08 - LMT 1911 Jun 8 # Pointe a Pitre # Guatemala # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Guat 1918 only - Oct 5 0:00 0 S Rule Guat 1973 only - Nov 25 0:00 1:00 D Rule Guat 1974 only - Feb 24 0:00 0 S Rule Guat 1983 only - May 21 0:00 1:00 D @@ -1095,7 +1178,6 @@ Zone America/Guatemala -6:02:04 - LMT 1918 Oct 5 # Haiti # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Haiti 1917 only - Jan 24 12:00 0 S Rule Haiti 1983 only - May 8 0:00 1:00 D Rule Haiti 1984 1987 - Apr lastSun 0:00 1:00 D Rule Haiti 1983 1987 - Oct lastSun 0:00 0 S @@ -1142,7 +1224,6 @@ Zone America/Montserrat -4:08:52 - LMT 1911 Jul 1 0:01 # Plymouth # Nicaragua # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Nic 1975 only - Feb 16 0:00 0 S Rule Nic 1979 1980 - Mar Sun>=16 0:00 1:00 D Rule Nic 1979 1980 - Jun Mon>=23 0:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] diff --git a/share/zoneinfo/southamerica b/share/zoneinfo/southamerica index 893d038..c3c5c99 100644 --- a/share/zoneinfo/southamerica +++ b/share/zoneinfo/southamerica @@ -1,4 +1,4 @@ -# @(#)southamerica 7.11 +# @(#)southamerica 7.12 # 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 @@ -164,7 +164,6 @@ Zone America/La_Paz -4:32:36 - LMT 1890 # about time zone changes after 1990 Feb 11. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Brazil 1914 only - Jan 1 0:00 0 S Rule Brazil 1931 only - Oct 3 11:00 1 D Rule Brazil 1932 1933 - Apr 1 0:00 0 S Rule Brazil 1932 only - Oct 3 0:00 1 D @@ -256,7 +255,6 @@ Zone Pacific/Galapagos -5:58:24 - LMT 1931 # Puerto Baquerizo Moreno # Falklands # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Falk 1912 only - Mar 12 0:00 0 S Rule Falk 1937 1938 - Sep lastSun 0:00 1:00 D Rule Falk 1938 1942 - Mar Sun>=19 0:00 0 S Rule Falk 1939 only - Oct 1 0:00 1:00 D @@ -299,7 +297,6 @@ Zone America/Guyana -3:52:40 - LMT 1915 Mar # Georgetown # From Shanks (1991): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Para 1974 only - Apr 1 0:00 0 S Rule Para 1975 1978 - Oct 1 0:00 1:00 D Rule Para 1975 1978 - Mar 1 0:00 0 S # Shanks says 1979 was all DST. @@ -316,7 +313,6 @@ Zone America/Asuncion -3:50:40 - LMT 1890 # Peru # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Peru 1908 only - Jul 28 0:00 0 S Rule Peru 1938 only - Jan 1 0:00 1:00 D Rule Peru 1938 only - Apr 1 0:00 0 S Rule Peru 1938 1939 - Sep lastSun 0:00 1:00 D @@ -356,7 +352,6 @@ Zone America/Port_of_Spain -4:06:04 - LMT 1912 Mar 2 # Uruguay wins the prize for the strangest peacetime manipulation of the rules. # From Shanks (1991): # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Uruguay 1920 only - May 1 0:00 0 S # Whitman gives 1923 Oct 1; go with Shanks. Rule Uruguay 1923 only - Oct 2 0:00 0:30 HD Rule Uruguay 1924 1926 - Apr 1 0:00 0 S -- cgit v1.1