TimeZone

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+0200 CEST Europe/Andorra
+
Because people keep thinking that the "EST" in my `date` command must be incorrect...
+0400 GST Asia/Dubai
+
+0430 AFT Asia/Kabul
+
Please run the following command (debian styled linux has zdump in /usr/bin/, whilst redhat styled has it in /usr/sbin, whilst under solaris you'll need to change the find search path to /usr/share/lib/zoneinfo (and track down zdump, which I think will be in /usr/sbin, but don't quote me) :)
-0400 AST America/Antigua
+
-0400 AST America/Anguilla
+
find /usr/share/zoneinfo -type f | xargs /usr/bin/zdump | grep EST
+0200 CEST Europe/Tirane
+
+0500 AMST Asia/Yerevan
+
Now try it without the grep, and note all the time zone identifiers, ...these are '''incorrectly assumed by most people to be unique'''. I believe (without references) that the timezone acronyms are based on local names - there is no global cooperation in keeping the namespace clean.
-0400 AST America/Curacao
+
+0100 WAT Africa/Luanda
+
----
+1200 NZST Antarctica/McMurdo
+
+1200 NZST Antarctica/South_Pole
+
Further notes: Looks like Aussie EST should properly be named AEST, but usually isn't, and that the namespace is relatively clean:
-0400 CLT Antarctica/Palmer
+
http://en.wikipedia.org/wiki/List_of_time_zone_abbreviations
+0600 MAWT Antarctica/Mawson
 
+0700 DAVT Antarctica/Davis
 
+0800 WST Antarctica/Casey
 
+0600 VOST Antarctica/Vostok
 
+1000 DDUT Antarctica/DumontDUrville
 
+0300 SYOT Antarctica/Syowa
 
-0300 ART America/Buenos_Aires
 
-0300 ART America/Rosario
 
-0300 ART America/Cordoba
 
-0300 ART America/Jujuy
 
-0300 ART America/Catamarca
 
-0300 ART America/Mendoza
 
-1100 SST Pacific/Pago_Pago
 
+0200 CEST Europe/Vienna
 
+1030 LHST Australia/Lord_Howe
 
+1000 EST Australia/Hobart
 
+1000 EST Australia/Melbourne
 
+1000 EST Australia/Sydney
 
+0930 CST Australia/Broken_Hill
 
+1000 EST Australia/Brisbane
 
+1000 EST Australia/Lindeman
 
+0930 CST Australia/Adelaide
 
+0930 CST Australia/Darwin
 
+0800 WST Australia/Perth
 
-0400 AST America/Aruba
 
+0500 AZST Asia/Baku
 
+0200 CEST Europe/Sarajevo
 
-0400 AST America/Barbados
 
+0600 BDT Asia/Dhaka
 
+0200 CEST Europe/Brussels
 
+0000 GMT Africa/Ouagadougou
 
+0300 EEST Europe/Sofia
 
+0300 AST Asia/Bahrain
 
+0200 CAT Africa/Bujumbura
 
+0100 WAT Africa/Porto-Novo
 
-0300 ADT Atlantic/Bermuda
 
+0800 BNT Asia/Brunei
 
-0400 BOT America/La_Paz
 
-0200 FNT America/Noronha
 
-0300 BRT America/Belem
 
-0300 BRT America/Fortaleza
 
-0300 BRT America/Recife
 
-0300 BRT America/Araguaina
 
-0300 BRT America/Maceio
 
-0300 BRT America/Sao_Paulo
 
-0400 AMT America/Cuiaba
 
-0400 AMT America/Porto_Velho
 
-0400 AMT America/Boa_Vista
 
-0400 AMT America/Manaus
 
-0500 ACT America/Eirunepe
 
-0500 ACT America/Rio_Branco
 
-0400 EDT America/Nassau
 
+0600 BTT Asia/Thimphu
 
+0200 CAT Africa/Gaborone
 
+0300 EEST Europe/Minsk
 
-0600 CST America/Belize
 
-0230 NDT America/St_Johns
 
-0300 ADT America/Halifax
 
-0300 ADT America/Glace_Bay
 
-0300 ADT America/Goose_Bay
 
-0400 EDT America/Montreal
 
-0400 EDT America/Nipigon
 
-0400 EDT America/Thunder_Bay
 
-0400 EDT America/Pangnirtung
 
-0400 EDT America/Iqaluit
 
-0500 CDT America/Rankin_Inlet
 
-0500 CDT America/Winnipeg
 
-0500 CDT America/Rainy_River
 
-0600 MDT America/Cambridge_Bay
 
-0600 CST America/Regina
 
-0600 CST America/Swift_Current
 
-0600 MDT America/Edmonton
 
-0600 MDT America/Yellowknife
 
-0600 MDT America/Inuvik
 
-0700 MST America/Dawson_Creek
 
-0700 PDT America/Vancouver
 
-0700 PDT America/Whitehorse
 
-0700 PDT America/Dawson
 
+0630 CCT Indian/Cocos
 
+0100 WAT Africa/Kinshasa
 
+0200 CAT Africa/Lubumbashi
 
+0100 WAT Africa/Bangui
 
+0100 WAT Africa/Brazzaville
 
+0200 CEST Europe/Zurich
 
+0000 GMT Africa/Abidjan
 
-1000 CKT Pacific/Rarotonga
 
-0400 CLT America/Santiago
 
-0600 EAST Pacific/Easter
 
+0100 WAT Africa/Douala
 
+0800 CST Asia/Shanghai
 
+0800 CST Asia/Harbin
 
+0800 CST Asia/Chongqing
 
+0800 CST Asia/Urumqi
 
+0800 CST Asia/Kashgar
 
-0500 COT America/Bogota
 
-0600 CST America/Costa_Rica
 
-0400 CDT America/Havana
 
-0100 CVT Atlantic/Cape_Verde
 
+0700 CXT Indian/Christmas
 
+0300 EEST Asia/Nicosia
 
+0200 CEST Europe/Prague
 
+0200 CEST Europe/Berlin
 
+0300 EAT Africa/Djibouti
 
+0200 CEST Europe/Copenhagen
 
-0400 AST America/Dominica
 
-0400 AST America/Santo_Domingo
 
+0100 CET Africa/Algiers
 
-0500 ECT America/Guayaquil
 
-0600 GALT Pacific/Galapagos
 
+0200 EET Europe/Tallinn
 
+0300 EEST Africa/Cairo
 
+0000 WET Africa/El_Aaiun
 
+0300 EAT Africa/Asmera
 
+0200 CEST Europe/Madrid
 
+0200 CEST Africa/Ceuta
 
+0100 WEST Atlantic/Canary
 
+0300 EAT Africa/Addis_Ababa
 
+0300 EEST Europe/Helsinki
 
+1200 FJT Pacific/Fiji
 
-0400 FKT Atlantic/Stanley
 
+1000 YAPT Pacific/Yap
 
+1000 TRUT Pacific/Truk
 
+1100 PONT Pacific/Ponape
 
+1100 KOST Pacific/Kosrae
 
+0100 WEST Atlantic/Faeroe
 
+0200 CEST Europe/Paris
 
+0100 WAT Africa/Libreville
 
+0100 BST Europe/London
 
+0100 BST Europe/Belfast
 
-0400 AST America/Grenada
 
+0500 GEST Asia/Tbilisi
 
-0300 GFT America/Cayenne
 
+0000 GMT Africa/Accra
 
+0200 CEST Europe/Gibraltar
 
-0200 WGST America/Godthab
 
+0000 GMT America/Danmarkshavn
 
+0000 EGST America/Scoresbysund
 
-0400 AST America/Thule
 
+0000 GMT Africa/Banjul
 
+0000 GMT Africa/Conakry
 
-0400 AST America/Guadeloupe
 
+0100 WAT Africa/Malabo
 
+0300 EEST Europe/Athens
 
-0200 GST Atlantic/South_Georgia
 
-0600 CST America/Guatemala
 
+1000 ChST Pacific/Guam
 
+0000 GMT Africa/Bissau
 
-0400 GYT America/Guyana
 
+0800 HKT Asia/Hong_Kong
 
-0600 CST America/Tegucigalpa
 
+0200 CEST Europe/Zagreb
 
-0500 EST America/Port-au-Prince
 
+0200 CEST Europe/Budapest
 
+0700 WIT Asia/Jakarta
 
+0700 WIT Asia/Pontianak
 
+0800 CIT Asia/Ujung_Pandang
 
+0900 EIT Asia/Jayapura
 
+0100 IST Europe/Dublin
 
+0300 IDT Asia/Jerusalem
 
+0530 IST Asia/Calcutta
 
+0600 IOT Indian/Chagos
 
+0400 ADT Asia/Baghdad
 
+0430 IRST Asia/Tehran
 
+0000 GMT Atlantic/Reykjavik
 
+0200 CEST Europe/Rome
 
-0500 EST America/Jamaica
 
+0300 EEST Asia/Amman
 
+0900 JST Asia/Tokyo
 
+0300 EAT Africa/Nairobi
 
+0600 KGST Asia/Bishkek
 
+0700 ICT Asia/Phnom_Penh
 
+1200 GILT Pacific/Tarawa
 
+1300 PHOT Pacific/Enderbury
 
+1400 LINT Pacific/Kiritimati
 
+0300 EAT Indian/Comoro
 
-0400 AST America/St_Kitts
 
+0900 KST Asia/Pyongyang
 
+0900 KST Asia/Seoul
 
+0300 AST Asia/Kuwait
 
-0500 EST America/Cayman
 
+0700 ALMST Asia/Almaty
 
+0600 AQTST Asia/Aqtobe
 
+0500 AQTST Asia/Aqtau
 
+0700 ICT Asia/Vientiane
 
+0300 EEST Asia/Beirut
 
-0400 AST America/St_Lucia
 
+0200 CEST Europe/Vaduz
 
+0600 LKT Asia/Colombo
 
+0000 GMT Africa/Monrovia
 
+0200 SAST Africa/Maseru
 
+0200 EET Europe/Vilnius
 
+0200 CEST Europe/Luxembourg
 
+0300 EEST Europe/Riga
 
+0200 EET Africa/Tripoli
 
+0000 WET Africa/Casablanca
 
+0200 CEST Europe/Monaco
 
+0300 EEST Europe/Chisinau
 
+0300 EAT Indian/Antananarivo
 
+1200 MHT Pacific/Majuro
 
+1200 MHT Pacific/Kwajalein
 
+0200 CEST Europe/Skopje
 
+0000 GMT Africa/Bamako
 
+0000 GMT Africa/Timbuktu
 
+0630 MMT Asia/Rangoon
 
+0800 ULAT Asia/Ulaanbaatar
 
+0700 HOVT Asia/Hovd
 
+0900 CHOT Asia/Choibalsan
 
+0800 CST Asia/Macao
 
+1000 ChST Pacific/Saipan
 
-0400 AST America/Martinique
 
+0000 GMT Africa/Nouakchott
 
-0400 AST America/Montserrat
 
+0200 CEST Europe/Malta
 
+0400 MUT Indian/Mauritius
 
+0500 MVT Indian/Maldives
 
+0200 CAT Africa/Blantyre
 
-0600 CST America/Mexico_City
 
-0500 CDT America/Cancun
 
-0500 CDT America/Merida
 
-0500 CDT America/Monterrey
 
-0600 MDT America/Mazatlan
 
-0600 MDT America/Chihuahua
 
-0700 MST America/Hermosillo
 
-0700 PDT America/Tijuana
 
+0800 MYT Asia/Kuala_Lumpur
 
+0800 MYT Asia/Kuching
 
+0200 CAT Africa/Maputo
 
+0100 WAT Africa/Windhoek
 
+1100 NCT Pacific/Noumea
 
+0100 WAT Africa/Niamey
 
+1130 NFT Pacific/Norfolk
 
+0100 WAT Africa/Lagos
 
-0600 CST America/Managua
 
+0200 CEST Europe/Amsterdam
 
+0200 CEST Europe/Oslo
 
+0545 NPT Asia/Katmandu
 
+1200 NRT Pacific/Nauru
 
-1100 NUT Pacific/Niue
 
+1200 NZST Pacific/Auckland
 
+1245 CHAST Pacific/Chatham
 
+0400 GST Asia/Muscat
 
-0500 EST America/Panama
 
-0500 PET America/Lima
 
-1000 TAHT Pacific/Tahiti
 
-0930 MART Pacific/Marquesas
 
-0900 GAMT Pacific/Gambier
 
+1000 PGT Pacific/Port_Moresby
 
+0800 PHT Asia/Manila
 
+0500 PKT Asia/Karachi
 
+0200 CEST Europe/Warsaw
 
-0200 PMDT America/Miquelon
 
-0800 PST Pacific/Pitcairn
 
-0400 AST America/Puerto_Rico
 
+0300 EEST Asia/Gaza
 
+0100 WEST Europe/Lisbon
 
+0100 WEST Atlantic/Madeira
 
+0000 AZOST Atlantic/Azores
 
+0900 PWT Pacific/Palau
 
-0400 PYT America/Asuncion
 
+0300 AST Asia/Qatar
 
+0400 RET Indian/Reunion
 
+0300 EEST Europe/Bucharest
 
+0300 EEST Europe/Kaliningrad
 
+0400 MSD Europe/Moscow
 
+0500 SAMST Europe/Samara
 
+0600 YEKST Asia/Yekaterinburg
 
+0700 OMSST Asia/Omsk
 
+0700 NOVST Asia/Novosibirsk
 
+0800 KRAST Asia/Krasnoyarsk
 
+0900 IRKST Asia/Irkutsk
 
+1000 YAKST Asia/Yakutsk
 
+1100 VLAST Asia/Vladivostok
 
+1100 SAKST Asia/Sakhalin
 
+1200 MAGST Asia/Magadan
 
+1300 PETST Asia/Kamchatka
 
+1300 ANAST Asia/Anadyr
 
+0200 CAT Africa/Kigali
 
+0300 AST Asia/Riyadh
 
+1100 SBT Pacific/Guadalcanal
 
+0400 SCT Indian/Mahe
 
+0300 EAT Africa/Khartoum
 
+0200 CEST Europe/Stockholm
 
+0800 SGT Asia/Singapore
 
+0000 GMT Atlantic/St_Helena
 
+0200 CEST Europe/Ljubljana
 
+0200 CEST Arctic/Longyearbyen
 
+0200 CEST Atlantic/Jan_Mayen
 
+0200 CEST Europe/Bratislava
 
+0000 GMT Africa/Freetown
 
+0200 CEST Europe/San_Marino
 
+0000 GMT Africa/Dakar
 
+0300 EAT Africa/Mogadishu
 
-0300 SRT America/Paramaribo
 
+0000 GMT Africa/Sao_Tome
 
-0600 CST America/El_Salvador
 
+0300 EEST Asia/Damascus
 
+0200 SAST Africa/Mbabane
 
-0400 EDT America/Grand_Turk
 
+0100 WAT Africa/Ndjamena
 
+0500 TFT Indian/Kerguelen
 
+0000 GMT Africa/Lome
 
+0700 ICT Asia/Bangkok
 
+0500 TJT Asia/Dushanbe
 
-1000 TKT Pacific/Fakaofo
 
+0500 TMT Asia/Ashgabat
 
+0100 CET Africa/Tunis
 
+1300 TOT Pacific/Tongatapu
 
+0900 TPT Asia/Dili
 
+0300 EEST Europe/Istanbul
 
-0400 AST
 

Latest revision as of 10:30, 22 September 2010

Because people keep thinking that the "EST" in my `date` command must be incorrect...

Please run the following command (debian styled linux has zdump in /usr/bin/, whilst redhat styled has it in /usr/sbin, whilst under solaris you'll need to change the find search path to /usr/share/lib/zoneinfo (and track down zdump, which I think will be in /usr/sbin, but don't quote me) :)

find /usr/share/zoneinfo -type f | xargs /usr/bin/zdump | grep EST

Now try it without the grep, and note all the time zone identifiers, ...these are incorrectly assumed by most people to be unique. I believe (without references) that the timezone acronyms are based on local names - there is no global cooperation in keeping the namespace clean.


Further notes: Looks like Aussie EST should properly be named AEST, but usually isn't, and that the namespace is relatively clean: http://en.wikipedia.org/wiki/List_of_time_zone_abbreviations

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