[tz] Proposed reversions, for moving forward
Paul Eggert
eggert at cs.ucla.edu
Fri Aug 1 05:21:39 UTC 2014
Thanks for those patches, which had a lot of thought behind them. I'm
inclined to accept most of 0001-Revert-overzealous-zone-links on the
grounds that the sheer size of the recent zone-to-link change is
unprecedented and that this is off-putting. However, the general
principle should remain what it's always been, which is that the
database should contain good data and that it's OK to remove data that
are questionable (e.g., no reliable sources) and are out of scope
anyway. So I plan to keep a small part of the zone-to-link change,
namely the part in west Africa, as its size is more in line with
previous changes of this kind. We can do the rest of the zone-to-link
changes later, as they're not urgent. This compromise solution won't
make everybody happy (it certainly doesn't make *me* happy) but it is a
reasonable path forward.
I'm not inclined to accept the 0002-Revert-introduction-of-time.tab
patch, as that would leave Crozet Islands and the Scattered Islands
uncovered by tzselect, and I'm loath to add a zone or link for them.
Part of the point of the new table is to avoid the need to add new
entries for tiny settlements and enclaves that merely mirror timekeeping
elsewhere.
The other three patches (0003-A-few-more-changes-for-consistency,
0004-Corrections-for-Hungary-and-a-source-for-Poland,
0005-iso3166.tab-will-soon-switch-to-UTF-8) are mostly in the
experimental version already, but I captured their comment fixes and
found a couple more and came up with the attached first patch
accordingly. The second attached patch implements the change for west
Africa. I've pushed both of these into the experimental version on github.
At this point we're pretty much ready for a new release.
-------------- next part --------------
From 183750fb0e0c1ccdd79756f59eb4309520506400 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert at cs.ucla.edu>
Date: Thu, 31 Jul 2014 21:02:21 -0700
Subject: [PATCH 1/2] * NEWS, africa, australasia: Minor commentary fixes.
Some of these are from Tim Parenti's proposed patches in:
http://mm.icann.org/pipermail/tz/2014-July/021265.html
---
NEWS | 12 ++++++++----
africa | 2 +-
australasia | 4 ++--
3 files changed, 11 insertions(+), 7 deletions(-)
diff --git a/NEWS b/NEWS
index 0f4e234..3c0c374 100644
--- a/NEWS
+++ b/NEWS
@@ -96,11 +96,11 @@ Unreleased, experimental changes
Asia/Riyadh's transition to standard time is now 1947-03-14, not 1950.
- Europe/Helsinki's 1942 fall-back transition was October 4 at 01:00, not
- October 3 at 00:00. (Thanks to Konstantin Hyppönen.)
+ Europe/Helsinki's 1942 fall-back transition was 10-04 at 01:00, not
+ 10-03 at 00:00. (Thanks to Konstantin Hyppönen.)
- Pacific/Apia and Pacific/Pago_Pago have been changed from UTC-11:30 to
- UTC-11 for the period from 1911 to 1950.
+ Pacific/Pago_Pago has been changed from UTC-11:30 to UTC-11 for the period
+ from 1911 to 1950.
Pacific/Chatham has been changed to New Zealand standard time plus
45 minutes for the period before 1957, reflecting a 1956 remark in
@@ -188,6 +188,10 @@ Unreleased, experimental changes
Commentary about the coverage of each Russian zone has been standardized.
(Thanks to Tim Parenti).
+ There is new commentary about contemporary timekeeping in Ethiopia.
+
+ Obsolete comments about a 2007 proposal for DST in Kuwait has been removed.
+
There is new commentary about time in Poland in 1919.
Proper credit has been given to DST inventor George Vernon Hudson.
diff --git a/africa b/africa
index 3a68f88..d323cb3 100644
--- a/africa
+++ b/africa
@@ -998,7 +998,7 @@ Zone Indian/Reunion 3:41:52 - LMT 1911 Jun # Saint-Denis
# St Helena
# See Africa/Abidjan.
-# The parts of the St Helena territory are similar:
+# The other parts of the St Helena territory are similar:
# Tristan da Cunha: on GMT, say Whitman and the CIA
# Ascension: on GMT, say the USNO (1995-12-21) and the CIA
# Gough (scientific station since 1955; sealers wintered previously):
diff --git a/australasia b/australasia
index db94107..72116ff 100644
--- a/australasia
+++ b/australasia
@@ -1424,7 +1424,7 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901
# that DST will begin on 2007-09-30 2008-04-06.
# http://www.dia.govt.nz/diawebsite.nsf/wpg_URL/Services-Daylight-Saving-Daylight-saving-to-be-extended
-# From Paul Eggert (2017-07-14):
+# From Paul Eggert (2014-07-14):
# Chatham Island time was formally standardized on 1957-01-01 by
# New Zealand's Standard Time Amendment Act 1956 (1956-10-26)
# <http://www.austlii.edu.au/nz/legis/hist_act/staa19561956n100244.pdf>.
@@ -1567,7 +1567,7 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901
# for American Samoa, e.g., the US National Bureau of Standards
# circular "Standard Time Throughout the World", 1932.
# Assume American Samoa switched to UTC-11 in 1911, not 1950,
-# and that after 1950 they agreed until (western) Samoa subtracted a
+# and that after 1950 they agreed until (western) Samoa skipped a
# day in 2011. Assume also that the Samoas follow the US and New
# Zealand's "ST"/"DT" style of daylight-saving abbreviations.
--
1.9.1
-------------- next part --------------
From a457c170da6b772fa1c12fcff342668b75472726 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert at cs.ucla.edu>
Date: Thu, 31 Jul 2014 21:28:12 -0700
Subject: [PATCH 2/2] Revert almost all the zone-to-link changes, keeping only
west Africa.
This should better address concerns about large-scale changes.
We can do the rest of these changes later, as they're not urgent.
* backward (Africa/Asmera, Asia/Saigon): Restore old links.
* checktab.awk (tztab): Handle zones that should probably be
turned into links some day.
* africa (Africa/Luanda, Africa/Porto-Novo, Africa/Gaborone)
(Africa/Bujumbura, Africa/Douala, Africa/Bangui, Indian/Comoro)
(Africa/Kinshasa, Africa/Lubumbashi, Africa/Brazzaville)
(Africa/Djibouti, Africa/Malabo, Africa/Asmara, Africa/Addis_Ababa)
(Africa/Libreville, Africa/Maseru, Indian/Antananarivo)
(Africa/Blantyre, Indian/Mayotte, Africa/Niamey, Africa/Kigali)
(Africa/Mogadishu, Africa/Mbabane, Africa/Dar_es_Salaam)
(Africa/Kampala, Africa/Lusaka, Africa/Harare):
* asia (Asia/Bahrain, Asia/Phnom_Penh, Asia/Kuwait)
(Asia/Vientiane, Asia/Muscat, Asia/Ho_Chi_Minh, Asia/Aden):
* australasia (Pacific/Saipan, Pacific/Midway):
* northamerica, southamerica (America/Antigua, America/Cayman):
New zones, restoring 2014e data. Corresponding links removed.
* NEWS: Document the above.
---
NEWS | 21 +++-----
africa | 170 +++++++++++++++++++++++++++++++++++++++--------------------
asia | 67 ++++++++++++++++-------
australasia | 16 ++++--
backward | 4 +-
checktab.awk | 43 +++++++++++++++
northamerica | 12 ++++-
southamerica | 1 -
8 files changed, 234 insertions(+), 100 deletions(-)
diff --git a/NEWS b/NEWS
index 3c0c374..4997cf7 100644
--- a/NEWS
+++ b/NEWS
@@ -67,21 +67,12 @@ Unreleased, experimental changes
Some zones have been turned into links, when they differed from existing
zones only for older UTC offsets where the data were likely invented.
These changes affect UTC offsets in pre-1970 time stamps only. This is
- similar to the change in release 2013e, except this time for Africa, Asia,
- and a few other locations. The affected zones are: Africa/Addis_Ababa,
- Africa/Asmara, Africa/Bamako, Africa/Bangui, Africa/Banjul,
- Africa/Blantyre, Africa/Brazzaville, Africa/Bujumbura, Africa/Conakry,
- Africa/Dakar, Africa/Dar_es_Salaam, Africa/Djibouti, Africa/Douala,
- Africa/Freetown, Africa/Gaborone, Africa/Harare, Africa/Kampala,
- Africa/Kigali, Africa/Kinshasa, Africa/Libreville, Africa/Lome,
- Africa/Luanda, Africa/Lubumbashi, Africa/Lusaka, Africa/Malabo,
- Africa/Maseru, Africa/Mbabane, Africa/Mogadishu, Africa/Niamey,
- Africa/Nouakchott, Africa/Ouagadougou, Africa/Porto-Novo, Africa/Sao_Tome,
- America/Antigua, America/Cayman, Asia/Aden, Asia/Bahrain,
- Asia/Ho_Chi_Minh, Asia/Kuwait, Asia/Muscat, Asia/Phnom_Penh,
- Asia/Vientiane, Atlantic/St_Helena, Indian/Antananarivo, Indian/Comoro,
- Indian/Mayotte, Pacific/Midway, and Pacific/Saipan. (Thanks to Alan
- Barrett, Tim Parenti, and David Patte for reporting bugs in earlier
+ similar to the change in release 2013e, except this time for western
+ Africa. The affected zones are: Africa/Bamako, Africa/Banjul,
+ Africa/Conakry, Africa/Dakar, Africa/Freetown, Africa/Lome,
+ Africa/Nouakchott, Africa/Ouagadougou, Africa/Sao_Tome, and
+ Atlantic/St_Helena. (Thanks to Alan Barrett, Stephen Colebourne,
+ Tim Parenti, and David Patte for reporting problems in earlier
versions of this change.)
Asia/Shanghai's pre-standard-time UT offset has been changed from
diff --git a/africa b/africa
index d323cb3..4ace7e9 100644
--- a/africa
+++ b/africa
@@ -64,6 +64,7 @@
# 3:00 CAST Central Africa Summer Time (no longer used)
# 3:00 SAST South Africa Summer Time (no longer used)
# 3:00 EAT East Africa Time
+# 4:00 EAST East Africa Summer Time (no longer used)
# Algeria
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
@@ -104,21 +105,43 @@ Zone Africa/Algiers 0:12:12 - LMT 1891 Mar 15 0:01
1:00 - CET
# Angola
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Africa/Luanda 0:52:56 - LMT 1892
+ 0:52:04 - AOT 1911 May 26 # Angola Time
+ 1:00 - WAT
+
# Benin
-# See Africa/Lagos.
+# Whitman says they switched to 1:00 in 1946, not 1934;
+# go with Shanks & Pottenger.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Africa/Porto-Novo 0:10:28 - LMT 1912
+ 0:00 - GMT 1934 Feb 26
+ 1:00 - WAT
# Botswana
-# Milne says they were regulated by the Cape Town Signal in 1899.
-# See Africa/Maputo.
+# From Paul Eggert (2013-02-21):
+# Milne says they were regulated by the Cape Town Signal in 1899;
+# assume they switched to 2:00 when Cape Town did.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Africa/Gaborone 1:43:40 - LMT 1885
+ 1:30 - SAST 1903 Mar
+ 2:00 - CAT 1943 Sep 19 2:00
+ 2:00 1:00 CAST 1944 Mar 19 2:00
+ 2:00 - CAT
# Burkina Faso
# See Africa/Abidjan.
# Burundi
-# See Africa/Maputo.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Africa/Bujumbura 1:57:28 - LMT 1890
+ 2:00 - CAT
# Cameroon
-# See Africa/Lagos.
+# Whitman says they switched to 1:00 in 1920; go with Shanks & Pottenger.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Africa/Douala 0:38:48 - LMT 1912
+ 1:00 - WAT
# Cape Verde
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
@@ -129,7 +152,9 @@ Zone Atlantic/Cape_Verde -1:34:04 - LMT 1907 # Praia
-1:00 - CVT
# Central African Republic
-# See Africa/Lagos.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Africa/Bangui 1:14:20 - LMT 1912
+ 1:00 - WAT
# Chad
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
@@ -139,14 +164,21 @@ Zone Africa/Ndjamena 1:00:12 - LMT 1912 # N'Djamena
1:00 - WAT
# Comoros
-# See Africa/Nairobi.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Indian/Comoro 2:53:04 - LMT 1911 Jul # Moroni, Gran Comoro
+ 3:00 - EAT
# Democratic Republic of Congo
-# See Africa/Lagos for the western part of the country.
-# See Africa/Maputo for the eastern part of the country.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Africa/Kinshasa 1:01:12 - LMT 1897 Nov 9
+ 1:00 - WAT
+Zone Africa/Lubumbashi 1:49:52 - LMT 1897 Nov 9
+ 2:00 - CAT
# Republic of the Congo
-# See Africa/Lagos.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Africa/Brazzaville 1:01:08 - LMT 1912
+ 1:00 - WAT
# Côte D'Ivoire / Ivory Coast
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
@@ -164,7 +196,9 @@ Link Africa/Abidjan Africa/Sao_Tome # São Tomé and Príncipe
Link Africa/Abidjan Atlantic/St_Helena # St Helena
# Djibouti
-# See Africa/Nairobi.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Africa/Djibouti 2:52:36 - LMT 1911 Jul
+ 3:00 - EAT
###############################################################################
@@ -374,13 +408,20 @@ Zone Africa/Cairo 2:05:09 - LMT 1900 Oct
2:00 Egypt EE%sT
# Equatorial Guinea
-# See Africa/Lagos.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Africa/Malabo 0:35:08 - LMT 1912
+ 0:00 - GMT 1963 Dec 15
+ 1:00 - WAT
# Eritrea
-# See Africa/Nairobi.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Africa/Asmara 2:35:32 - LMT 1870
+ 2:35:32 - AMT 1890 # Asmara Mean Time
+ 2:35:20 - ADMT 1936 May 5 # Adis Dera MT
+ 3:00 - EAT
# Ethiopia
-# From Paul Eggert (2014-07-09):
+# From Paul Eggert (2014-07-31):
# Like the Swahili of Kenya and Tanzania, many Ethiopians keep a
# 12-hour clock starting at our 06:00, so their "8 o'clock" is our
# 02:00 or 14:00. Keep this in mind when you ask the time in Amharic.
@@ -388,13 +429,16 @@ Zone Africa/Cairo 2:05:09 - LMT 1900 Oct
# Shanks & Pottenger write that Ethiopia had six narrowly-spaced time
# zones between 1870 and 1890, that they merged to 38E50 (2:35:20) in
# 1890, and that they switched to 3:00 on 1936-05-05. Perhaps 38E50
-# was for Adis Dera. Ignore this for now as it predates our 1970
-# cutoff, and it's quite likely wrong anyway.
-#
-# See Africa/Nairobi.
+# was for Adis Dera. Quite likely the Shanks data are wrong anyway.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Africa/Addis_Ababa 2:34:48 - LMT 1870
+ 2:35:20 - ADMT 1936 May 5 # Adis Dera MT
+ 3:00 - EAT
# Gabon
-# See Africa/Lagos.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Africa/Libreville 0:37:48 - LMT 1912
+ 1:00 - WAT
# Gambia
# See Africa/Abidjan.
@@ -429,18 +473,13 @@ Zone Africa/Nairobi 2:27:16 - LMT 1928 Jul
2:30 - BEAT 1940
2:45 - BEAUT 1960
3:00 - EAT
-Link Africa/Nairobi Africa/Addis_Ababa # Ethiopia
-Link Africa/Nairobi Africa/Asmara # Eritrea
-Link Africa/Nairobi Africa/Dar_es_Salaam # Tanzania
-Link Africa/Nairobi Africa/Djibouti
-Link Africa/Nairobi Africa/Kampala # Uganda
-Link Africa/Nairobi Africa/Mogadishu # Somalia
-Link Africa/Nairobi Indian/Antananarivo # Madagascar
-Link Africa/Nairobi Indian/Comoro
-Link Africa/Nairobi Indian/Mayotte
# Lesotho
-# See Africa/Johannesburg.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Africa/Maseru 1:50:00 - LMT 1903 Mar
+ 2:00 - SAST 1943 Sep 19 2:00
+ 2:00 1:00 SAST 1944 Mar 19 2:00
+ 2:00 - SAST
# Liberia
# From Paul Eggert (2006-03-22):
@@ -515,10 +554,16 @@ Zone Africa/Tripoli 0:52:44 - LMT 1920
2:00 - EET
# Madagascar
-# See Africa/Nairobi.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Indian/Antananarivo 3:10:04 - LMT 1911 Jul
+ 3:00 - EAT 1954 Feb 27 23:00s
+ 3:00 1:00 EAST 1954 May 29 23:00s
+ 3:00 - EAT
# Malawi
-# See Africa/Maputo.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Africa/Blantyre 2:20:00 - LMT 1903 Mar
+ 2:00 - CAT
# Mali
# Mauritania
@@ -619,7 +664,8 @@ Zone Indian/Mauritius 3:50:00 - LMT 1907 # Port Louis
# Mayotte
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-# See Africa/Nairobi.
+Zone Indian/Mayotte 3:00:56 - LMT 1911 Jul # Mamoutzou
+ 3:00 - EAT
# Morocco
# See the 'europe' file for Spanish Morocco (Africa/Ceuta).
@@ -920,13 +966,6 @@ Zone Africa/El_Aaiun -0:52:48 - LMT 1934 Jan # El Aaiún
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Africa/Maputo 2:10:20 - LMT 1903 Mar
2:00 - CAT
-Link Africa/Maputo Africa/Blantyre # Malawi
-Link Africa/Maputo Africa/Bujumbura # Burundi
-Link Africa/Maputo Africa/Gaborone # Botswana
-Link Africa/Maputo Africa/Harare # Zimbabwe
-Link Africa/Maputo Africa/Kigali # Rwanda
-Link Africa/Maputo Africa/Lubumbashi # E Dem. Rep. of Congo
-Link Africa/Maputo Africa/Lusaka # Zambia
# Namibia
# The 1994-04-03 transition is from Shanks & Pottenger.
@@ -958,21 +997,16 @@ Zone Africa/Windhoek 1:08:24 - LMT 1892 Feb 8
1:00 Namibia WA%sT
# Niger
-# See Africa/Lagos.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Africa/Niamey 0:08:28 - LMT 1912
+ -1:00 - WAT 1934 Feb 26
+ 0:00 - GMT 1960
+ 1:00 - WAT
# Nigeria
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Africa/Lagos 0:13:36 - LMT 1919 Sep
1:00 - WAT
-Link Africa/Lagos Africa/Bangui # Central African Republic
-Link Africa/Lagos Africa/Brazzaville # Rep. of the Congo
-Link Africa/Lagos Africa/Douala # Cameroon
-Link Africa/Lagos Africa/Kinshasa # W Dem. Rep. of the Congo
-Link Africa/Lagos Africa/Libreville # Gabon
-Link Africa/Lagos Africa/Luanda # Angola
-Link Africa/Lagos Africa/Malabo # Equatorial Guinea
-Link Africa/Lagos Africa/Niamey # Niger
-Link Africa/Lagos Africa/Porto-Novo # Benin
# Réunion
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
@@ -994,7 +1028,9 @@ Zone Indian/Reunion 3:41:52 - LMT 1911 Jun # Saint-Denis
# Tromelin - inhabited until at least 1958
# Rwanda
-# See Africa/Maputo.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Africa/Kigali 2:00:16 - LMT 1935 Jun
+ 2:00 - CAT
# St Helena
# See Africa/Abidjan.
@@ -1024,7 +1060,11 @@ Zone Indian/Mahe 3:41:48 - LMT 1906 Jun # Victoria
# See Africa/Abidjan.
# Somalia
-# See Africa/Nairobi.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Africa/Mogadishu 3:01:28 - LMT 1893 Nov
+ 3:00 - EAT 1931
+ 2:30 - BEAT 1957
+ 3:00 - EAT
# South Africa
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
@@ -1034,9 +1074,6 @@ Rule SA 1943 1944 - Mar Sun>=15 2:00 0 -
Zone Africa/Johannesburg 1:52:00 - LMT 1892 Feb 8
1:30 - SAST 1903 Mar
2:00 SA SAST
-Link Africa/Johannesburg Africa/Maseru # Lesotho
-Link Africa/Johannesburg Africa/Mbabane # Swaziland
-#
# Marion and Prince Edward Is
# scientific station since 1947
# no information
@@ -1064,10 +1101,16 @@ Zone Africa/Khartoum 2:10:08 - LMT 1931
Link Africa/Khartoum Africa/Juba
# Swaziland
-# See Africa/Johannesburg.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Africa/Mbabane 2:04:24 - LMT 1903 Mar
+ 2:00 - SAST
# Tanzania
-# See Africa/Nairobi.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Africa/Dar_es_Salaam 2:37:08 - LMT 1931
+ 3:00 - EAT 1948
+ 2:45 - BEAUT 1961
+ 3:00 - EAT
# Togo
# See Africa/Abidjan.
@@ -1173,8 +1216,19 @@ Zone Africa/Tunis 0:40:44 - LMT 1881 May 12
1:00 Tunisia CE%sT
# Uganda
-# See Africa/Nairobi.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Africa/Kampala 2:09:40 - LMT 1928 Jul
+ 3:00 - EAT 1930
+ 2:30 - BEAT 1948
+ 2:45 - BEAUT 1957
+ 3:00 - EAT
# Zambia
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Africa/Lusaka 1:53:08 - LMT 1903 Mar
+ 2:00 - CAT
+
# Zimbabwe
-# See Africa/Maputo.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Africa/Harare 2:04:12 - LMT 1903 Mar
+ 2:00 - CAT
diff --git a/asia b/asia
index 5ee4522..0b858c9 100644
--- a/asia
+++ b/asia
@@ -140,7 +140,10 @@ Zone Asia/Baku 3:19:24 - LMT 1924 May 2
4:00 Azer AZ%sT
# Bahrain
-# See Asia/Qatar.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Asia/Bahrain 3:22:20 - LMT 1920 # Manamah
+ 4:00 - GST 1972 Jun
+ 3:00 - AST
# Bangladesh
# From Alexander Krivenyshev (2009-05-13):
@@ -263,8 +266,12 @@ Zone Asia/Rangoon 6:24:40 - LMT 1880 # or Yangon
6:30 - MMT # Myanmar Time
# Cambodia
-# See Asia/Bangkok.
-
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Asia/Phnom_Penh 6:59:40 - LMT 1906 Jun 9
+ 7:06:20 - SMT 1911 Mar 11 0:01 # Saigon MT?
+ 7:00 - ICT 1912 May
+ 8:00 - ICT 1931 May
+ 7:00 - ICT
# China
@@ -1690,10 +1697,17 @@ Zone Asia/Pyongyang 8:23:00 - LMT 1890
###############################################################################
# Kuwait
-# See Asia/Riyadh.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Asia/Kuwait 3:11:56 - LMT 1950
+ 3:00 - AST
# Laos
-# See Asia/Bangkok.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Asia/Vientiane 6:50:24 - LMT 1906 Jun 9 # or Viangchan
+ 7:06:20 - SMT 1911 Mar 11 0:01 # Saigon MT?
+ 7:00 - ICT 1912 May
+ 8:00 - ICT 1931 May
+ 7:00 - ICT
# Lebanon
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
@@ -1910,7 +1924,12 @@ Zone Asia/Kathmandu 5:41:16 - LMT 1920
5:45 - NPT # Nepal Time
# Oman
-# See Asia/Dubai.
+
+# Milne says 3:54:24 was the meridian of the Muscat Tidal Observatory.
+
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Asia/Muscat 3:54:24 - LMT 1920
+ 4:00 - GST
# Pakistan
@@ -2410,7 +2429,6 @@ Zone Asia/Manila -15:56:00 - LMT 1844 Dec 31
Zone Asia/Qatar 3:26:08 - LMT 1920 # Al Dawhah / Doha
4:00 - GST 1972 Jun
3:00 - AST
-Link Asia/Qatar Asia/Bahrain
# Saudi Arabia
#
@@ -2437,8 +2455,6 @@ Link Asia/Qatar Asia/Bahrain
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Riyadh 3:06:52 - LMT 1947 Mar 14
3:00 - AST
-Link Asia/Riyadh Asia/Aden # Yemen
-Link Asia/Riyadh Asia/Kuwait
# Singapore
# The data here are taken from Mok Ly Yng (2003-10-30)
@@ -2711,12 +2727,6 @@ Zone Asia/Dushanbe 4:35:12 - LMT 1924 May 2
Zone Asia/Bangkok 6:42:04 - LMT 1880
6:42:04 - BMT 1920 Apr # Bangkok Mean Time
7:00 - ICT
-# From Arthur David Olson (2008-03-18):
-# The English-language name of Vietnam's most populous city is "Ho Chi Minh
-# City"; use Ho_Chi_Minh below to avoid a name of more than 14 characters.
-Link Asia/Bangkok Asia/Ho_Chi_Minh # Vietnam
-Link Asia/Bangkok Asia/Phnom_Penh # Cambodia
-Link Asia/Bangkok Asia/Vientiane # Laos
# Turkmenistan
# From Shanks & Pottenger.
@@ -2732,7 +2742,6 @@ Zone Asia/Ashgabat 3:53:32 - LMT 1924 May 2 # or Ashkhabad
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Dubai 3:41:12 - LMT 1920
4:00 - GST
-Link Asia/Dubai Asia/Muscat # Oman
# Uzbekistan
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
@@ -2753,8 +2762,30 @@ Zone Asia/Tashkent 4:37:11 - LMT 1924 May 2
5:00 - UZT
# Vietnam
-# See Asia/Bangkok.
+# From Paul Eggert (2013-02-21):
+# Milne gives 7:16:56 for the meridian of Saigon in 1899, as being
+# used in Lower Laos, Cambodia, and Annam. But this is quite a ways
+# from Saigon's location. For now, ignore this and stick with Shanks
+# and Pottenger.
+
+# From Arthur David Olson (2008-03-18):
+# The English-language name of Vietnam's most populous city is "Ho Chi Minh
+# City"; use Ho_Chi_Minh below to avoid a name of more than 14 characters.
+
+# From Shanks & Pottenger:
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Asia/Ho_Chi_Minh 7:06:40 - LMT 1906 Jun 9
+ 7:06:20 - SMT 1911 Mar 11 0:01 # Saigon MT?
+ 7:00 - ICT 1912 May
+ 8:00 - ICT 1931 May
+ 7:00 - ICT
# Yemen
-# See Asia/Riyadh.
+
+# Milne says 2:59:54 was the meridian of the saluting battery at Aden,
+# and that Yemen was at 1:55:56, the meridian of the Hagia Sophia.
+
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Asia/Aden 2:59:54 - LMT 1950
+ 3:00 - AST
diff --git a/australasia b/australasia
index 72116ff..4911e8d 100644
--- a/australasia
+++ b/australasia
@@ -366,7 +366,6 @@ Zone Pacific/Guam -14:21:00 - LMT 1844 Dec 31
9:39:00 - LMT 1901 # Agana
10:00 - GST 2000 Dec 23 # Guam
10:00 - ChST # Chamorro Standard Time
-Link Pacific/Guam Pacific/Saipan # N Mariana Is
# Kiribati
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
@@ -382,7 +381,12 @@ Zone Pacific/Kiritimati -10:29:20 - LMT 1901
14:00 - LINT
# N Mariana Is
-# See Pacific/Guam.
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone Pacific/Saipan -14:17:00 - LMT 1844 Dec 31
+ 9:43:00 - LMT 1901
+ 9:00 - MPT 1969 Oct # N Mariana Is Time
+ 10:00 - MPT 2000 Dec 23
+ 10:00 - ChST # Chamorro Standard Time
# Marshall Is
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
@@ -528,7 +532,6 @@ Zone Pacific/Pago_Pago 12:37:12 - LMT 1879 Jul 5
-11:00 - NST 1967 Apr # N=Nome
-11:00 - BST 1983 Nov 30 # B=Bering
-11:00 - SST # S=Samoa
-Link Pacific/Pago_Pago Pacific/Midway # in US minor outlying islands
# Samoa (formerly and also known as Western Samoa)
@@ -721,7 +724,12 @@ Zone Pacific/Funafuti 11:56:52 - LMT 1901
# Fri. 6:30A Lv. HONOLOLU (Pearl Harbor), H.I. H.L.T. Ar. 5:30P Sun.
# " 3:00P Ar. MIDWAY ISLAND . . . . . . . . . M.L.T. Lv. 6:00A "
#
-# See Pacific/Pago_Pago.
+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
# Palmyra
# uninhabited since World War II; was probably like Pacific/Kiritimati
diff --git a/backward b/backward
index 7d84bfb..36f6aba 100644
--- a/backward
+++ b/backward
@@ -4,7 +4,7 @@
# This file provides links between current names for time zones
# and their old names. Many names changed in late 1993.
-Link Africa/Nairobi Africa/Asmera
+Link Africa/Asmara Africa/Asmera
Link Africa/Abidjan Africa/Timbuktu
Link America/Argentina/Catamarca America/Argentina/ComodRivadavia
Link America/Adak America/Atka
@@ -33,7 +33,7 @@ Link Asia/Shanghai Asia/Harbin
Link Asia/Urumqi Asia/Kashgar
Link Asia/Kathmandu Asia/Katmandu
Link Asia/Macau Asia/Macao
-Link Asia/Bangkok Asia/Saigon
+Link Asia/Ho_Chi_Minh Asia/Saigon
Link Asia/Jerusalem Asia/Tel_Aviv
Link Asia/Thimphu Asia/Thimbu
Link Asia/Makassar Asia/Ujung_Pandang
diff --git a/checktab.awk b/checktab.awk
index cf2c726..17f29bb 100644
--- a/checktab.awk
+++ b/checktab.awk
@@ -12,6 +12,49 @@ BEGIN {
# A special (and we hope temporary) case.
tztab["America/Montreal"] = 1
+ # Some more special cases; these are zones that should probably
+ # be turned into links.
+ if (zone_table == "zone1970.tab") {
+ tztab["Africa/Addis_Ababa"] = 1
+ tztab["Africa/Asmara"] = 1
+ tztab["Africa/Bangui"] = 1
+ tztab["Africa/Blantyre"] = 1
+ tztab["Africa/Brazzaville"] = 1
+ tztab["Africa/Bujumbura"] = 1
+ tztab["Africa/Dar_es_Salaam"] = 1
+ tztab["Africa/Djibouti"] = 1
+ tztab["Africa/Douala"] = 1
+ tztab["Africa/Gaborone"] = 1
+ tztab["Africa/Harare"] = 1
+ tztab["Africa/Kampala"] = 1
+ tztab["Africa/Kigali"] = 1
+ tztab["Africa/Kinshasa"] = 1
+ tztab["Africa/Libreville"] = 1
+ tztab["Africa/Luanda"] = 1
+ tztab["Africa/Lubumbashi"] = 1
+ tztab["Africa/Lusaka"] = 1
+ tztab["Africa/Malabo"] = 1
+ tztab["Africa/Maseru"] = 1
+ tztab["Africa/Mbabane"] = 1
+ tztab["Africa/Mogadishu"] = 1
+ tztab["Africa/Niamey"] = 1
+ tztab["Africa/Porto-Novo"] = 1
+ tztab["America/Antigua"] = 1
+ tztab["America/Cayman"] = 1
+ tztab["Asia/Aden"] = 1
+ tztab["Asia/Bahrain"] = 1
+ tztab["Asia/Ho_Chi_Minh"] = 1
+ tztab["Asia/Kuwait"] = 1
+ tztab["Asia/Muscat"] = 1
+ tztab["Asia/Phnom_Penh"] = 1
+ tztab["Asia/Vientiane"] = 1
+ tztab["Indian/Antananarivo"] = 1
+ tztab["Indian/Comoro"] = 1
+ tztab["Indian/Mayotte"] = 1
+ tztab["Pacific/Midway"] = 1
+ tztab["Pacific/Saipan"] = 1
+ }
+
while (getline <iso_table) {
iso_NR++
if ($0 ~ /^#/) continue
diff --git a/northamerica b/northamerica
index 1b6bb23..7074d31 100644
--- a/northamerica
+++ b/northamerica
@@ -2495,9 +2495,14 @@ Zone America/Santa_Isabel -7:39:28 - LMT 1922 Jan 1 0:20:32
###############################################################################
# Anguilla
-# Antigua and Barbuda
# See America/Port_of_Spain.
+# Antigua and Barbuda
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone America/Antigua -4:07:12 - LMT 1912 Mar 2
+ -5:00 - EST 1951
+ -4:00 - AST
+
# Bahamas
#
# For 1899 Milne gives -5:09:29.5; round that.
@@ -2563,7 +2568,10 @@ Zone Atlantic/Bermuda -4:19:18 - LMT 1930 Jan 1 2:00 # Hamilton
-4:00 US A%sT
# Cayman Is
-Link America/Panama America/Cayman
+# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+Zone America/Cayman -5:25:32 - LMT 1890 # Georgetown
+ -5:07:11 - KMT 1912 Feb # Kingston Mean Time
+ -5:00 - EST
# Costa Rica
diff --git a/southamerica b/southamerica
index d11435a..de1f15e 100644
--- a/southamerica
+++ b/southamerica
@@ -1593,7 +1593,6 @@ Zone America/Port_of_Spain -4:06:04 - LMT 1912 Mar 2
# These all agree with Trinidad and Tobago since 1970.
Link America/Port_of_Spain America/Anguilla
-Link America/Port_of_Spain America/Antigua
Link America/Port_of_Spain America/Dominica
Link America/Port_of_Spain America/Grenada
Link America/Port_of_Spain America/Guadeloupe
--
1.9.1
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