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 fortime zone historical dataoutside the U.S. is
11+ #Unless otherwise specified, the source for datathrough 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# 3:00CASTCentral Africa Summer Time (no longer used)
6665# 3:00SASTSouth Africa Summer Time (no longer used)
6766# 3:00EATEast Africa Time
68- # 4:00EASTEast Africa Summer Time (no longer used)
6967
7068# Algeria
7169# RuleNAMEFROMTOTYPEINONATSAVELETTER/S
@@ -146,9 +144,7 @@ ZoneAfrica/Ndjamena1:00:12 -LMT1912 # N'Djamena
1461441:00-WAT
147145
148146# Comoros
149- # ZoneNAMEGMTOFFRULESFORMAT[UNTIL]
150- ZoneIndian/Comoro2:53:04 -LMT1911 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- # ZoneNAMEGMTOFFRULESFORMAT[UNTIL]
176- ZoneAfrica/Djibouti2:52:36 -LMT1911 Jul
177- 3:00-EAT
171+ # See Africa/Nairobi.
178172
179173###############################################################################
180174
@@ -387,27 +381,8 @@ ZoneAfrica/Cairo2:05:09 -LMT1900 Oct
387381# See Africa/Lagos.
388382
389383# Eritrea
390- # ZoneNAMEGMTOFFRULESFORMAT[UNTIL]
391- ZoneAfrica/Asmara2:35:32 -LMT1870
392- 2:35:32-AMT1890 # Asmara Mean Time
393- 2:35:20-ADMT1936 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- # ZoneNAMEGMTOFFRULESFORMAT[UNTIL]
408- Zone Africa/Addis_Ababa2:34:48 -LMT1870
409- 2:35:20-ADMT1936 May 5 # Adis Dera MT
410- 3:00-EAT
385+ # See Africa/Nairobi.
411386
412387# Gabon
413388# See Africa/Lagos.
@@ -451,6 +426,15 @@ ZoneAfrica/Nairobi2:27:16-LMT1928 Jul
4514262:30-BEAT1940
4524272:45-BEAUT1960
4534283:00-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 @@ ZoneAfrica/Tripoli0:52:44 -LMT1920
5285122:00-EET
529513
530514# Madagascar
531- # ZoneNAMEGMTOFFRULESFORMAT[UNTIL]
532- Zone Indian/Antananarivo 3:10:04 -LMT1911 Jul
533- 3:00-EAT1954 Feb 27 23:00s
534- 3:001:00EAST1954 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/Mauritius3:50:00 -LMT1907 # Port Louis
635615# no information; probably like Indian/Mauritius
636616
637617# Mayotte
638- # ZoneNAMEGMTOFFRULESFORMAT[UNTIL]
639- ZoneIndian/Mayotte3:00:56 -LMT1911 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 @@ ZoneIndian/Mahe3:41:48 -LMT1906 Jun # Victoria
10491027# See Africa/Abidjan.
10501028
10511029# Somalia
1052- # ZoneNAMEGMTOFFRULESFORMAT[UNTIL]
1053- Zone Africa/Mogadishu3:01:28 -LMT1893 Nov
1054- 3:00-EAT1931
1055- 2:30-BEAT1957
1056- 3:00-EAT
1030+ # See Africa/Nairobi.
10571031
10581032# South Africa
10591033# RuleNAMEFROMTOTYPEINONATSAVELETTER/S
@@ -1096,11 +1070,7 @@ Link Africa/Khartoum Africa/Juba
10961070# See Africa/Johannesburg.
10971071
10981072# Tanzania
1099- # ZoneNAMEGMTOFFRULESFORMAT[UNTIL]
1100- Zone Africa/Dar_es_Salaam 2:37:08 -LMT1931
1101- 3:00-EAT1948
1102- 2:45-BEAUT1961
1103- 3:00-EAT
1073+ # See Africa/Nairobi.
11041074
11051075# Togo
11061076# See Africa/Abidjan.
@@ -1206,12 +1176,7 @@ ZoneAfrica/Tunis0:40:44 -LMT1881 May 12
120611761:00TunisiaCE%sT
12071177
12081178# Uganda
1209- # ZoneNAMEGMTOFFRULESFORMAT[UNTIL]
1210- ZoneAfrica/Kampala2:09:40 -LMT1928 Jul
1211- 3:00-EAT1930
1212- 2:30-BEAT1948
1213- 2:45-BEAUT1957
1214- 3:00-EAT
1179+ # See Africa/Nairobi.
12151180
12161181# Zambia
12171182# Zimbabwe