66# tz@iana.org for general use in the future). For more, please see
77# the file CONTRIBUTING in the tz distribution.
88
9- # From Paul Eggert (2013-02-21 ):
9+ # From Paul Eggert (2014-10-31 ):
1010#
11- # A good source for time zone historical data outside the U.S. is
11+ # Unless otherwise specified, the source for data through 1990 is:
1212# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
1313# San Diego: ACS Publications, Inc. (2003).
14+ # Unfortunately this book contains many errors and cites no sources.
1415#
1516# Gwillim Law writes that a good source
1617# for recent time zone data is the International Air Transport
1718# Association's Standard Schedules Information Manual (IATA SSIM),
1819# published semiannually. Law sent in several helpful summaries
19- # of the IATA's data after 1990.
20- #
21- # Except where otherwise noted, Shanks & Pottenger is the source for
22- # entries through 1990, and IATA SSIM is the source for entries afterwards.
20+ # of the IATA's data after 1990. Except where otherwise noted,
21+ # IATA SSIM is the source for entries after 1990.
2322#
2423# Another source occasionally used is Edward W. Whitman, World Time Differences,
2524# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
6564# 3:00 CAST Central Africa Summer Time (no longer used)
6665# 3:00 SAST South Africa Summer Time (no longer used)
6766# 3:00 EAT East Africa Time
68- # 4:00 EAST East Africa Summer Time (no longer used)
6967
7068# Algeria
7169# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
@@ -146,9 +144,7 @@ Zone Africa/Ndjamena 1:00:12 - LMT 1912 # N'Djamena
146144 1:00 - WAT
147145
148146# Comoros
149- # Zone NAME GMTOFF RULES FORMAT [UNTIL]
150- Zone Indian/Comoro 2:53:04 - LMT 1911 Jul # Moroni, Gran Comoro
151- 3:00 - EAT
147+ # See Africa/Nairobi.
152148
153149# Democratic Republic of the Congo
154150# See Africa/Lagos for the western part and Africa/Maputo for the eastern.
@@ -172,9 +168,7 @@ Link Africa/Abidjan Africa/Sao_Tome # São Tomé and Príncipe
172168Link Africa/Abidjan Atlantic/St_Helena # St Helena
173169
174170# Djibouti
175- # Zone NAME GMTOFF RULES FORMAT [UNTIL]
176- Zone Africa/Djibouti 2:52:36 - LMT 1911 Jul
177- 3:00 - EAT
171+ # See Africa/Nairobi.
178172
179173###############################################################################
180174
@@ -387,27 +381,8 @@ Zone Africa/Cairo 2:05:09 - LMT 1900 Oct
387381# See Africa/Lagos.
388382
389383# Eritrea
390- # Zone NAME GMTOFF RULES FORMAT [UNTIL]
391- Zone Africa/Asmara 2:35:32 - LMT 1870
392- 2:35:32 - AMT 1890 # Asmara Mean Time
393- 2:35:20 - ADMT 1936 May 5 # Adis Dera MT
394- 3:00 - EAT
395-
396384# Ethiopia
397- # From Paul Eggert (2014-07-31):
398- # Like the Swahili of Kenya and Tanzania, many Ethiopians keep a
399- # 12-hour clock starting at our 06:00, so their "8 o'clock" is our
400- # 02:00 or 14:00. Keep this in mind when you ask the time in Amharic.
401- #
402- # Shanks & Pottenger write that Ethiopia had six narrowly-spaced time
403- # zones between 1870 and 1890, that they merged to 38E50 (2:35:20) in
404- # 1890, and that they switched to 3:00 on 1936-05-05. Perhaps 38E50
405- # was for Adis Dera. Quite likely the Shanks data entries are wrong
406- # anyway.
407- # Zone NAME GMTOFF RULES FORMAT [UNTIL]
408- Zone Africa/Addis_Ababa 2:34:48 - LMT 1870
409- 2:35:20 - ADMT 1936 May 5 # Adis Dera MT
410- 3:00 - EAT
385+ # See Africa/Nairobi.
411386
412387# Gabon
413388# See Africa/Lagos.
@@ -451,6 +426,15 @@ Zone Africa/Nairobi 2:27:16 - LMT 1928 Jul
451426 2:30 - BEAT 1940
452427 2:45 - BEAUT 1960
453428 3:00 - EAT
429+ Link Africa/Nairobi Africa/Addis_Ababa # Ethiopia
430+ Link Africa/Nairobi Africa/Asmara # Eritrea
431+ Link Africa/Nairobi Africa/Dar_es_Salaam # Tanzania
432+ Link Africa/Nairobi Africa/Djibouti
433+ Link Africa/Nairobi Africa/Kampala # Uganda
434+ Link Africa/Nairobi Africa/Mogadishu # Somalia
435+ Link Africa/Nairobi Indian/Antananarivo # Madagascar
436+ Link Africa/Nairobi Indian/Comoro
437+ Link Africa/Nairobi Indian/Mayotte
454438
455439# Lesotho
456440# See Africa/Johannesburg.
@@ -528,11 +512,7 @@ Zone Africa/Tripoli 0:52:44 - LMT 1920
528512 2:00 - EET
529513
530514# Madagascar
531- # Zone NAME GMTOFF RULES FORMAT [UNTIL]
532- Zone Indian/Antananarivo 3:10:04 - LMT 1911 Jul
533- 3:00 - EAT 1954 Feb 27 23:00s
534- 3:00 1:00 EAST 1954 May 29 23:00s
535- 3:00 - EAT
515+ # See Africa/Nairobi.
536516
537517# Malawi
538518# See Africa/Maputo.
@@ -635,9 +615,7 @@ Zone Indian/Mauritius 3:50:00 - LMT 1907 # Port Louis
635615# no information; probably like Indian/Mauritius
636616
637617# Mayotte
638- # Zone NAME GMTOFF RULES FORMAT [UNTIL]
639- Zone Indian/Mayotte 3:00:56 - LMT 1911 Jul # Mamoutzou
640- 3:00 - EAT
618+ # See Africa/Nairobi.
641619
642620# Morocco
643621# See the 'europe' file for Spanish Morocco (Africa/Ceuta).
@@ -1049,11 +1027,7 @@ Zone Indian/Mahe 3:41:48 - LMT 1906 Jun # Victoria
10491027# See Africa/Abidjan.
10501028
10511029# Somalia
1052- # Zone NAME GMTOFF RULES FORMAT [UNTIL]
1053- Zone Africa/Mogadishu 3:01:28 - LMT 1893 Nov
1054- 3:00 - EAT 1931
1055- 2:30 - BEAT 1957
1056- 3:00 - EAT
1030+ # See Africa/Nairobi.
10571031
10581032# South Africa
10591033# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
@@ -1096,11 +1070,7 @@ Link Africa/Khartoum Africa/Juba
10961070# See Africa/Johannesburg.
10971071
10981072# Tanzania
1099- # Zone NAME GMTOFF RULES FORMAT [UNTIL]
1100- Zone Africa/Dar_es_Salaam 2:37:08 - LMT 1931
1101- 3:00 - EAT 1948
1102- 2:45 - BEAUT 1961
1103- 3:00 - EAT
1073+ # See Africa/Nairobi.
11041074
11051075# Togo
11061076# See Africa/Abidjan.
@@ -1206,12 +1176,7 @@ Zone Africa/Tunis 0:40:44 - LMT 1881 May 12
12061176 1:00 Tunisia CE%sT
12071177
12081178# Uganda
1209- # Zone NAME GMTOFF RULES FORMAT [UNTIL]
1210- Zone Africa/Kampala 2:09:40 - LMT 1928 Jul
1211- 3:00 - EAT 1930
1212- 2:30 - BEAT 1948
1213- 2:45 - BEAUT 1957
1214- 3:00 - EAT
1179+ # See Africa/Nairobi.
12151180
12161181# Zambia
12171182# Zimbabwe
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