xref: /netbsd/external/public-domain/tz/dist/backward (revision ad8b8252)
118fef0bfSkre# tzdb links for backward compatibility
218fef0bfSkre
3bb709d23Sapb# This file is in the public domain, so clarified as of
4bb709d23Sapb# 2009-05-17 by Arthur David Olson.
5bb709d23Sapb
6b1fe3fa7Skre# This file provides links from old or merged timezone names to current ones.
780cec62cSkre# Many names changed in 1993 and in 1995, and many merged names moved here
82c9e626bSkre# in the period from 2013 through 2022.  Several of these names are
9b1fe3fa7Skre# also present in the file 'backzone', which has data important only
10b1fe3fa7Skre# for pre-1970 timestamps and so is out of scope for tzdb proper.
11bb709d23Sapb
122c9e626bSkre# Although this file is optional and tzdb will work if you omit it by
132c9e626bSkre# building with 'make BACKWARD=', in practice downstream users
142c9e626bSkre# typically use this file for backward compatibility.
152c9e626bSkre
1680cec62cSkre# This file is divided into sections, one for each major reason for a
1780cec62cSkre# backward compatibility link.  Each section is sorted by link name.
1880cec62cSkre
1980cec62cSkre# A "#= TARGET1" comment labels each link inserted only because some
2080cec62cSkre# .zi parsers (including tzcode through 2022e) mishandle links to links.
2180cec62cSkre# The comment says what the target would be if these parsers were fixed
2280cec62cSkre# so that data could contain links to links.  For example, the line
2380cec62cSkre# "Link Australia/Sydney Australia/ACT #= Australia/Canberra" would be
2480cec62cSkre# "Link Australia/Canberra Australia/ACT" were it not that data lines
2580cec62cSkre# refrain from linking to links like Australia/Canberra, which means
2680cec62cSkre# the Australia/ACT line links instead to Australia/Sydney,
2780cec62cSkre# Australia/Canberra's target.
2880cec62cSkre
2980cec62cSkre
3080cec62cSkre# Pre-1993 naming conventions
3180cec62cSkre
3280cec62cSkre# Link	TARGET			LINK-NAME	#= TARGET1
3380cec62cSkreLink	Australia/Sydney	Australia/ACT	#= Australia/Canberra
34bb709d23SapbLink	Australia/Lord_Howe	Australia/LHI
35bb709d23SapbLink	Australia/Sydney	Australia/NSW
36bb709d23SapbLink	Australia/Darwin	Australia/North
37bb709d23SapbLink	Australia/Brisbane	Australia/Queensland
38bb709d23SapbLink	Australia/Adelaide	Australia/South
39bb709d23SapbLink	Australia/Hobart	Australia/Tasmania
40bb709d23SapbLink	Australia/Melbourne	Australia/Victoria
41bb709d23SapbLink	Australia/Perth		Australia/West
42bb709d23SapbLink	Australia/Broken_Hill	Australia/Yancowinna
4380cec62cSkreLink	America/Rio_Branco	Brazil/Acre	#= America/Porto_Acre
44bb709d23SapbLink	America/Noronha		Brazil/DeNoronha
45bb709d23SapbLink	America/Sao_Paulo	Brazil/East
46bb709d23SapbLink	America/Manaus		Brazil/West
47bb709d23SapbLink	America/Halifax		Canada/Atlantic
48bb709d23SapbLink	America/Winnipeg	Canada/Central
49f2ef9bbcSkre# This line is commented out, as the name exceeded the 14-character limit
50f2ef9bbcSkre# and was an unused misnomer.
51f2ef9bbcSkre#Link	America/Regina		Canada/East-Saskatchewan
52bb709d23SapbLink	America/Toronto		Canada/Eastern
53bb709d23SapbLink	America/Edmonton	Canada/Mountain
54bb709d23SapbLink	America/St_Johns	Canada/Newfoundland
55bb709d23SapbLink	America/Vancouver	Canada/Pacific
56bb709d23SapbLink	America/Regina		Canada/Saskatchewan
57bb709d23SapbLink	America/Whitehorse	Canada/Yukon
58bb709d23SapbLink	America/Santiago	Chile/Continental
59bb709d23SapbLink	Pacific/Easter		Chile/EasterIsland
60bb709d23SapbLink	America/Havana		Cuba
61bb709d23SapbLink	Africa/Cairo		Egypt
62bb709d23SapbLink	Europe/Dublin		Eire
6380cec62cSkre# Vanguard section, for most .zi parsers.
6480cec62cSkre#Link	GMT			Etc/GMT
6580cec62cSkre#Link	GMT			Etc/GMT+0
6680cec62cSkre#Link	GMT			Etc/GMT-0
6780cec62cSkre#Link	GMT			Etc/GMT0
6880cec62cSkre#Link	GMT			Etc/Greenwich
6980cec62cSkre# Rearguard section, for TZUpdater 2.3.2 and earlier.
7080cec62cSkreLink	Etc/GMT			Etc/GMT+0
7180cec62cSkreLink	Etc/GMT			Etc/GMT-0
7280cec62cSkreLink	Etc/GMT			Etc/GMT0
7380cec62cSkreLink	Etc/GMT			Etc/Greenwich
7480cec62cSkre# End of rearguard section.
75f6941b40SkreLink	Etc/UTC			Etc/UCT
7680cec62cSkreLink	Etc/UTC			Etc/Universal
7780cec62cSkreLink	Etc/UTC			Etc/Zulu
78bb709d23SapbLink	Europe/London		GB
79bb709d23SapbLink	Europe/London		GB-Eire
8080cec62cSkre# Vanguard section, for most .zi parsers.
8180cec62cSkre#Link	GMT			GMT+0
8280cec62cSkre#Link	GMT			GMT-0
8380cec62cSkre#Link	GMT			GMT0
8480cec62cSkre#Link	GMT			Greenwich
8580cec62cSkre# Rearguard section, for TZUpdater 2.3.2 and earlier.
86bb709d23SapbLink	Etc/GMT			GMT+0
87bb709d23SapbLink	Etc/GMT			GMT-0
88bb709d23SapbLink	Etc/GMT			GMT0
89bb709d23SapbLink	Etc/GMT			Greenwich
9080cec62cSkre# End of rearguard section.
91bb709d23SapbLink	Asia/Hong_Kong		Hongkong
92bb709d23SapbLink	Atlantic/Reykjavik	Iceland
93bb709d23SapbLink	Asia/Tehran		Iran
94bb709d23SapbLink	Asia/Jerusalem		Israel
95bb709d23SapbLink	America/Jamaica		Jamaica
96bb709d23SapbLink	Asia/Tokyo		Japan
97bb709d23SapbLink	Pacific/Kwajalein	Kwajalein
98bb709d23SapbLink	Africa/Tripoli		Libya
99bb709d23SapbLink	America/Tijuana		Mexico/BajaNorte
100bb709d23SapbLink	America/Mazatlan	Mexico/BajaSur
101bb709d23SapbLink	America/Mexico_City	Mexico/General
102bb709d23SapbLink	Pacific/Auckland	NZ
103bb709d23SapbLink	Pacific/Chatham		NZ-CHAT
10480cec62cSkreLink	America/Denver		Navajo	#= America/Shiprock
105bb709d23SapbLink	Asia/Shanghai		PRC
106bb709d23SapbLink	Europe/Warsaw		Poland
107bb709d23SapbLink	Europe/Lisbon		Portugal
108bb709d23SapbLink	Asia/Taipei		ROC
109bb709d23SapbLink	Asia/Seoul		ROK
110bb709d23SapbLink	Asia/Singapore		Singapore
111bb709d23SapbLink	Europe/Istanbul		Turkey
112f6941b40SkreLink	Etc/UTC			UCT
113bb709d23SapbLink	America/Anchorage	US/Alaska
114bb709d23SapbLink	America/Adak		US/Aleutian
115bb709d23SapbLink	America/Phoenix		US/Arizona
116bb709d23SapbLink	America/Chicago		US/Central
117bb709d23SapbLink	America/Indiana/Indianapolis	US/East-Indiana
118bb709d23SapbLink	America/New_York	US/Eastern
119bb709d23SapbLink	Pacific/Honolulu	US/Hawaii
120bb709d23SapbLink	America/Indiana/Knox	US/Indiana-Starke
121bb709d23SapbLink	America/Detroit		US/Michigan
122bb709d23SapbLink	America/Denver		US/Mountain
123bb709d23SapbLink	America/Los_Angeles	US/Pacific
124bb709d23SapbLink	Pacific/Pago_Pago	US/Samoa
125bb709d23SapbLink	Etc/UTC			UTC
126bb709d23SapbLink	Etc/UTC			Universal
127bb709d23SapbLink	Europe/Moscow		W-SU
128bb709d23SapbLink	Etc/UTC			Zulu
12980cec62cSkre
13080cec62cSkre
13180cec62cSkre# Two-part names that were renamed mostly to three-part names in 1995
13280cec62cSkre
13380cec62cSkre# Link	TARGET				LINK-NAME	#= TARGET1
13480cec62cSkreLink	America/Argentina/Buenos_Aires	America/Buenos_Aires
13580cec62cSkreLink	America/Argentina/Catamarca	America/Catamarca
13680cec62cSkreLink	America/Argentina/Cordoba	America/Cordoba
13780cec62cSkreLink	America/Indiana/Indianapolis	America/Indianapolis
13880cec62cSkreLink	America/Argentina/Jujuy		America/Jujuy
13980cec62cSkreLink	America/Indiana/Knox		America/Knox_IN
14080cec62cSkreLink	America/Kentucky/Louisville	America/Louisville
14180cec62cSkreLink	America/Argentina/Mendoza	America/Mendoza
14280cec62cSkreLink	America/St_Thomas	America/Virgin
14380cec62cSkreLink	Pacific/Pago_Pago		Pacific/Samoa
14480cec62cSkre
14580cec62cSkre
14680cec62cSkre# Pre-2013 practice, which typically had a Zone per zone.tab line
14780cec62cSkre
14880cec62cSkre# Link	TARGET			LINK-NAME
14980cec62cSkre
15080cec62cSkre
15180cec62cSkre# Non-zone.tab locations with timestamps since 1970 that duplicate
15280cec62cSkre# those of an existing location
15380cec62cSkre
15480cec62cSkre# Link	TARGET			LINK-NAME
15580cec62cSkreLink	Africa/Bamako	Africa/Timbuktu
15680cec62cSkreLink	America/Argentina/Catamarca	America/Argentina/ComodRivadavia
15780cec62cSkreLink	America/Adak		America/Atka
15880cec62cSkreLink	America/Atikokan	America/Coral_Harbour
15980cec62cSkreLink	America/Tijuana		America/Ensenada
16080cec62cSkreLink	America/Indiana/Indianapolis	America/Fort_Wayne
16180cec62cSkreLink	America/Toronto		America/Montreal
16280cec62cSkreLink	America/Toronto		America/Nipigon
1639fd186e6SkreLink	America/Iqaluit		America/Pangnirtung
16480cec62cSkreLink	America/Rio_Branco	America/Porto_Acre
16580cec62cSkreLink	America/Winnipeg	America/Rainy_River
16680cec62cSkreLink	America/Argentina/Cordoba	America/Rosario
16780cec62cSkreLink	America/Tijuana		America/Santa_Isabel
16880cec62cSkreLink	America/Denver		America/Shiprock
16980cec62cSkreLink	America/Toronto		America/Thunder_Bay
170*ad8b8252SkreLink	America/Edmonton	America/Yellowknife
17180cec62cSkreLink	Antarctica/McMurdo	Antarctica/South_Pole
17280cec62cSkreLink	Asia/Shanghai		Asia/Chongqing
17380cec62cSkreLink	Asia/Shanghai		Asia/Harbin
17480cec62cSkreLink	Asia/Urumqi		Asia/Kashgar
17580cec62cSkreLink	Asia/Jerusalem		Asia/Tel_Aviv
17680cec62cSkreLink	Europe/Oslo		Atlantic/Jan_Mayen
17780cec62cSkreLink	Australia/Sydney	Australia/Canberra
17880cec62cSkreLink	Australia/Hobart	Australia/Currie
17980cec62cSkreLink	Europe/London		Europe/Belfast
18080cec62cSkreLink	Europe/Chisinau		Europe/Tiraspol
18180cec62cSkreLink	Europe/Kyiv		Europe/Uzhgorod
18280cec62cSkreLink	Europe/Kyiv		Europe/Zaporozhye
18380cec62cSkreLink	Pacific/Kanton		Pacific/Enderbury
18480cec62cSkreLink	Pacific/Honolulu	Pacific/Johnston
18580cec62cSkreLink	Pacific/Chuuk		Pacific/Yap
18680cec62cSkre
18780cec62cSkre
18880cec62cSkre# Alternate names for the same location
18980cec62cSkre
19080cec62cSkre# Link	TARGET			LINK-NAME	#= TARGET1
19180cec62cSkreLink	Africa/Asmara	Africa/Asmera
19280cec62cSkreLink	America/Nuuk		America/Godthab
19380cec62cSkreLink	Asia/Ashgabat		Asia/Ashkhabad
19480cec62cSkreLink	Asia/Kolkata		Asia/Calcutta
19580cec62cSkreLink	Asia/Shanghai		Asia/Chungking	#= Asia/Chongqing
19680cec62cSkreLink	Asia/Dhaka		Asia/Dacca
19780cec62cSkre# Istanbul is in both continents.
19880cec62cSkreLink	Europe/Istanbul		Asia/Istanbul
19980cec62cSkreLink	Asia/Kathmandu		Asia/Katmandu
20080cec62cSkreLink	Asia/Macau		Asia/Macao
20180cec62cSkreLink	Asia/Yangon		Asia/Rangoon
20280cec62cSkreLink	Asia/Ho_Chi_Minh	Asia/Saigon
20380cec62cSkreLink	Asia/Thimphu		Asia/Thimbu
20480cec62cSkreLink	Asia/Makassar		Asia/Ujung_Pandang
20580cec62cSkreLink	Asia/Ulaanbaatar	Asia/Ulan_Bator
20680cec62cSkreLink	Atlantic/Faroe		Atlantic/Faeroe
20780cec62cSkreLink	Europe/Kyiv		Europe/Kiev
20880cec62cSkre# Classically, Cyprus is in Asia; e.g. see Herodotus, Histories, I.72.
20980cec62cSkre# However, for various reasons many users expect to find it under Europe.
21080cec62cSkreLink	Asia/Nicosia		Europe/Nicosia
21180cec62cSkreLink	Pacific/Pohnpei		Pacific/Ponape
21280cec62cSkreLink	Pacific/Chuuk		Pacific/Truk
213