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--- java:allavailabletimezones [2012/10/31 09:06] – created rlunaro
+++ java:allavailabletimezones [2022/12/02 21:02] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
+====== List all available timezones that are in your JVM ======
+If you read the documentation of [[http://docs.oracle.com/javase/7/docs/api/java/util/TimeZone.html|TimeZone]] class in the API (this one points to version 7 of the API), you will find that there aren't a list of all the available timezones, instead of this you will find this text:
+<code>
+You can use the getAvailableIDs method to iterate through all the supported time zone IDs. You can then choose a supported ID to get a TimeZone. If the time zone you want is not represented by one of the supported IDs, then a custom time zone ID can be specified to produce a TimeZone. The syntax of a custom time zone ID is:
+</code>
+I have to confess that this is annoying enough to encourage me to develop my own little program to do this, that I share with you:
+<code java>
+import java.util.TimeZone;
+public class App
+{
+    private final static int EXIT_OK = 0;
+    public static void main( String[] args )
+    {
+        String[] allTheIds = TimeZone.getAvailableIDs();
+        System.out.println("All available timezones:");
+        for( int nId = 0; nId < allTheIds.length; nId++ )
+        {
+            System.out.println( allTheIds[nId] );
+        }
+        System.exit( EXIT_OK );
+    }
+}
+</code>
+And the result as of 10/31/2012 (see below). However, be careful!!! Time zones do change!!! This is rare, but sometimes, due political factors new countries are created and they install a new time zone, or others decide to change its time zone. Don't take this list as inmutable unless you are handling very well stable countries.
+<code>
+All available timezones:
+Etc/GMT+12
+Etc/GMT+11
+Pacific/Midway
+Pacific/Niue
+Pacific/Pago_Pago
+Pacific/Samoa
+US/Samoa
+America/Adak
+America/Atka
+Etc/GMT+10
+HST
+Pacific/Honolulu
+Pacific/Johnston
+Pacific/Rarotonga
+Pacific/Tahiti
+SystemV/HST10
+US/Aleutian
+US/Hawaii
+Pacific/Marquesas
+AST
+America/Anchorage
+America/Juneau
+America/Nome
+America/Sitka
+America/Yakutat
+Etc/GMT+9
+Pacific/Gambier
+SystemV/YST9
+SystemV/YST9YDT
+US/Alaska
+America/Dawson
+America/Ensenada
+America/Los_Angeles
+America/Metlakatla
+America/Santa_Isabel
+America/Tijuana
+America/Vancouver
+America/Whitehorse
+Canada/Pacific
+Canada/Yukon
+Etc/GMT+8
+Mexico/BajaNorte
+PST
+PST8PDT
+Pacific/Pitcairn
+SystemV/PST8
+SystemV/PST8PDT
+US/Pacific
+US/Pacific-New
+America/Boise
+America/Cambridge_Bay
+America/Chihuahua
+America/Creston
+America/Dawson_Creek
+America/Denver
+America/Edmonton
+America/Hermosillo
+America/Inuvik
+America/Mazatlan
+America/Ojinaga
+America/Phoenix
+America/Shiprock
+America/Yellowknife
+Canada/Mountain
+Etc/GMT+7
+MST
+MST7MDT
+Mexico/BajaSur
+Navajo
+PNT
+SystemV/MST7
+SystemV/MST7MDT
+US/Arizona
+US/Mountain
+America/Bahia_Banderas
+America/Belize
+America/Cancun
+America/Chicago
+America/Costa_Rica
+America/El_Salvador
+America/Guatemala
+America/Indiana/Knox
+America/Indiana/Tell_City
+America/Knox_IN
+America/Managua
+America/Matamoros
+America/Menominee
+America/Merida
+America/Mexico_City
+America/Monterrey
+America/North_Dakota/Beulah
+America/North_Dakota/Center
+America/North_Dakota/New_Salem
+America/Rainy_River
+America/Rankin_Inlet
+America/Regina
+America/Resolute
+America/Swift_Current
+America/Tegucigalpa
+America/Winnipeg
+CST
+CST6CDT
+Canada/Central
+Canada/East-Saskatchewan
+Canada/Saskatchewan
+Chile/EasterIsland
+Etc/GMT+6
+Mexico/General
+Pacific/Easter
+Pacific/Galapagos
+SystemV/CST6
+SystemV/CST6CDT
+US/Central
+US/Indiana-Starke
+America/Atikokan
+America/Bogota
+America/Cayman
+America/Coral_Harbour
+America/Detroit
+America/Fort_Wayne
+America/Grand_Turk
+America/Guayaquil
+America/Havana
+America/Indiana/Indianapolis
+America/Indiana/Marengo
+America/Indiana/Petersburg
+America/Indiana/Vevay
+America/Indiana/Vincennes
+America/Indiana/Winamac
+America/Indianapolis
+America/Iqaluit
+America/Jamaica
+America/Kentucky/Louisville
+America/Kentucky/Monticello
+America/Lima
+America/Louisville
+America/Montreal
+America/Nassau
+America/New_York
+America/Nipigon
+America/Panama
+America/Pangnirtung
+America/Port-au-Prince
+America/Thunder_Bay
+America/Toronto
+Canada/Eastern
+Cuba
+EST
+EST5EDT
+Etc/GMT+5
+IET
+Jamaica
+SystemV/EST5
+SystemV/EST5EDT
+US/East-Indiana
+US/Eastern
+US/Michigan
+America/Caracas
+America/Anguilla
+America/Antigua
+America/Argentina/San_Luis
+America/Aruba
+America/Asuncion
+America/Barbados
+America/Blanc-Sablon
+America/Boa_Vista
+America/Campo_Grande
+America/Cuiaba
+America/Curacao
+America/Dominica
+America/Eirunepe
+America/Glace_Bay
+America/Goose_Bay
+America/Grenada
+America/Guadeloupe
+America/Guyana
+America/Halifax
+America/Kralendijk
+America/La_Paz
+America/Lower_Princes
+America/Manaus
+America/Marigot
+America/Martinique
+America/Moncton
+America/Montserrat
+America/Port_of_Spain
+America/Porto_Acre
+America/Porto_Velho
+America/Puerto_Rico
+America/Rio_Branco
+America/Santiago
+America/Santo_Domingo
+America/St_Barthelemy
+America/St_Kitts
+America/St_Lucia
+America/St_Thomas
+America/St_Vincent
+America/Thule
+America/Tortola
+America/Virgin
+Antarctica/Palmer
+Atlantic/Bermuda
+Brazil/Acre
+Brazil/West
+Canada/Atlantic
+Chile/Continental
+Etc/GMT+4
+PRT
+SystemV/AST4
+SystemV/AST4ADT
+America/St_Johns
+CNT
+Canada/Newfoundland
+AGT
+America/Araguaina
+America/Argentina/Buenos_Aires
+America/Argentina/Catamarca
+America/Argentina/ComodRivadavia
+America/Argentina/Cordoba
+America/Argentina/Jujuy
+America/Argentina/La_Rioja
+America/Argentina/Mendoza
+America/Argentina/Rio_Gallegos
+America/Argentina/Salta
+America/Argentina/San_Juan
+America/Argentina/Tucuman
+America/Argentina/Ushuaia
+America/Bahia
+America/Belem
+America/Buenos_Aires
+America/Catamarca
+America/Cayenne
+America/Cordoba
+America/Fortaleza
+America/Godthab
+America/Jujuy
+America/Maceio
+America/Mendoza
+America/Miquelon
+America/Montevideo
+America/Paramaribo
+America/Recife
+America/Rosario
+America/Santarem
+America/Sao_Paulo
+Antarctica/Rothera
+Atlantic/Stanley
+BET
+Brazil/East
+Etc/GMT+3
+America/Noronha
+Atlantic/South_Georgia
+Brazil/DeNoronha
+Etc/GMT+2
+America/Scoresbysund
+Atlantic/Azores
+Atlantic/Cape_Verde
+Etc/GMT+1
+Africa/Abidjan
+Africa/Accra
+Africa/Bamako
+Africa/Banjul
+Africa/Bissau
+Africa/Casablanca
+Africa/Conakry
+Africa/Dakar
+Africa/El_Aaiun
+Africa/Freetown
+Africa/Lome
+Africa/Monrovia
+Africa/Nouakchott
+Africa/Ouagadougou
+Africa/Sao_Tome
+Africa/Timbuktu
+America/Danmarkshavn
+Atlantic/Canary
+Atlantic/Faeroe
+Atlantic/Faroe
+Atlantic/Madeira
+Atlantic/Reykjavik
+Atlantic/St_Helena
+Eire
+Etc/GMT
+Etc/GMT+0
+Etc/GMT-0
+Etc/GMT0
+Etc/Greenwich
+Etc/UCT
+Etc/UTC
+Etc/Universal
+Etc/Zulu
+Europe/Belfast
+Europe/Dublin
+Europe/Guernsey
+Europe/Isle_of_Man
+Europe/Jersey
+Europe/Lisbon
+Europe/London
+GB
+GB-Eire
+GMT
+GMT0
+Greenwich
+Iceland
+Portugal
+UCT
+UTC
+Universal
+WET
+Zulu
+Africa/Algiers
+Africa/Bangui
+Africa/Brazzaville
+Africa/Ceuta
+Africa/Douala
+Africa/Kinshasa
+Africa/Lagos
+Africa/Libreville
+Africa/Luanda
+Africa/Malabo
+Africa/Ndjamena
+Africa/Niamey
+Africa/Porto-Novo
+Africa/Tunis
+Africa/Windhoek
+Arctic/Longyearbyen
+Atlantic/Jan_Mayen
+CET
+ECT
+Etc/GMT-1
+Europe/Amsterdam
+Europe/Andorra
+Europe/Belgrade
+Europe/Berlin
+Europe/Bratislava
+Europe/Brussels
+Europe/Budapest
+Europe/Copenhagen
+Europe/Gibraltar
+Europe/Ljubljana
+Europe/Luxembourg
+Europe/Madrid
+Europe/Malta
+Europe/Monaco
+Europe/Oslo
+Europe/Paris
+Europe/Podgorica
+Europe/Prague
+Europe/Rome
+Europe/San_Marino
+Europe/Sarajevo
+Europe/Skopje
+Europe/Stockholm
+Europe/Tirane
+Europe/Vaduz
+Europe/Vatican
+Europe/Vienna
+Europe/Warsaw
+Europe/Zagreb
+Europe/Zurich
+MET
+Poland
+ART
+Africa/Blantyre
+Africa/Bujumbura
+Africa/Cairo
+Africa/Gaborone
+Africa/Harare
+Africa/Johannesburg
+Africa/Kigali
+Africa/Lubumbashi
+Africa/Lusaka
+Africa/Maputo
+Africa/Maseru
+Africa/Mbabane
+Africa/Tripoli
+Asia/Amman
+Asia/Beirut
+Asia/Damascus
+Asia/Gaza
+Asia/Hebron
+Asia/Istanbul
+Asia/Jerusalem
+Asia/Nicosia
+Asia/Tel_Aviv
+CAT
+EET
+Egypt
+Etc/GMT-2
+Europe/Athens
+Europe/Bucharest
+Europe/Chisinau
+Europe/Helsinki
+Europe/Istanbul
+Europe/Kiev
+Europe/Mariehamn
+Europe/Nicosia
+Europe/Riga
+Europe/Simferopol
+Europe/Sofia
+Europe/Tallinn
+Europe/Tiraspol
+Europe/Uzhgorod
+Europe/Vilnius
+Europe/Zaporozhye
+Israel
+Libya
+Turkey
+Africa/Addis_Ababa
+Africa/Asmara
+Africa/Asmera
+Africa/Dar_es_Salaam
+Africa/Djibouti
+Africa/Juba
+Africa/Kampala
+Africa/Khartoum
+Africa/Mogadishu
+Africa/Nairobi
+Antarctica/Syowa
+Asia/Aden
+Asia/Baghdad
+Asia/Bahrain
+Asia/Kuwait
+Asia/Qatar
+Asia/Riyadh
+EAT
+Etc/GMT-3
+Europe/Kaliningrad
+Europe/Minsk
+Indian/Antananarivo
+Indian/Comoro
+Indian/Mayotte
+Asia/Riyadh87
+Asia/Riyadh88
+Asia/Riyadh89
+Mideast/Riyadh87
+Mideast/Riyadh88
+Mideast/Riyadh89
+Asia/Tehran
+Iran
+Asia/Baku
+Asia/Dubai
+Asia/Muscat
+Asia/Tbilisi
+Asia/Yerevan
+Etc/GMT-4
+Europe/Moscow
+Europe/Samara
+Europe/Volgograd
+Indian/Mahe
+Indian/Mauritius
+Indian/Reunion
+NET
+W-SU
+Asia/Kabul
+Antarctica/Mawson
+Asia/Aqtau
+Asia/Aqtobe
+Asia/Ashgabat
+Asia/Ashkhabad
+Asia/Dushanbe
+Asia/Karachi
+Asia/Oral
+Asia/Samarkand
+Asia/Tashkent
+Etc/GMT-5
+Indian/Kerguelen
+Indian/Maldives
+PLT
+Asia/Calcutta
+Asia/Colombo
+Asia/Kolkata
+IST
+Asia/Kathmandu
+Asia/Katmandu
+Antarctica/Vostok
+Asia/Almaty
+Asia/Bishkek
+Asia/Dacca
+Asia/Dhaka
+Asia/Qyzylorda
+Asia/Thimbu
+Asia/Thimphu
+Asia/Yekaterinburg
+BST
+Etc/GMT-6
+Indian/Chagos
+Asia/Rangoon
+Indian/Cocos
+Antarctica/Davis
+Asia/Bangkok
+Asia/Ho_Chi_Minh
+Asia/Hovd
+Asia/Jakarta
+Asia/Novokuznetsk
+Asia/Novosibirsk
+Asia/Omsk
+Asia/Phnom_Penh
+Asia/Pontianak
+Asia/Saigon
+Asia/Vientiane
+Etc/GMT-7
+Indian/Christmas
+VST
+Antarctica/Casey
+Asia/Brunei
+Asia/Choibalsan
+Asia/Chongqing
+Asia/Chungking
+Asia/Harbin
+Asia/Hong_Kong
+Asia/Kashgar
+Asia/Krasnoyarsk
+Asia/Kuala_Lumpur
+Asia/Kuching
+Asia/Macao
+Asia/Macau
+Asia/Makassar
+Asia/Manila
+Asia/Shanghai
+Asia/Singapore
+Asia/Taipei
+Asia/Ujung_Pandang
+Asia/Ulaanbaatar
+Asia/Ulan_Bator
+Asia/Urumqi
+Australia/Perth
+Australia/West
+CTT
+Etc/GMT-8
+Hongkong
+PRC
+Singapore
+Australia/Eucla
+Asia/Dili
+Asia/Irkutsk
+Asia/Jayapura
+Asia/Pyongyang
+Asia/Seoul
+Asia/Tokyo
+Etc/GMT-9
+JST
+Japan
+Pacific/Palau
+ROK
+ACT
+Australia/Adelaide
+Australia/Broken_Hill
+Australia/Darwin
+Australia/North
+Australia/South
+Australia/Yancowinna
+AET
+Antarctica/DumontDUrville
+Asia/Yakutsk
+Australia/ACT
+Australia/Brisbane
+Australia/Canberra
+Australia/Currie
+Australia/Hobart
+Australia/Lindeman
+Australia/Melbourne
+Australia/NSW
+Australia/Queensland
+Australia/Sydney
+Australia/Tasmania
+Australia/Victoria
+Etc/GMT-10
+Pacific/Chuuk
+Pacific/Guam
+Pacific/Port_Moresby
+Pacific/Saipan
+Pacific/Truk
+Pacific/Yap
+Australia/LHI
+Australia/Lord_Howe
+Antarctica/Macquarie
+Asia/Sakhalin
+Asia/Vladivostok
+Etc/GMT-11
+Pacific/Efate
+Pacific/Guadalcanal
+Pacific/Kosrae
+Pacific/Noumea
+Pacific/Pohnpei
+Pacific/Ponape
+SST
+Pacific/Norfolk
+Antarctica/McMurdo
+Antarctica/South_Pole
+Asia/Anadyr
+Asia/Kamchatka
+Asia/Magadan
+Etc/GMT-12
+Kwajalein
+NST
+NZ
+Pacific/Auckland
+Pacific/Fiji
+Pacific/Funafuti
+Pacific/Kwajalein
+Pacific/Majuro
+Pacific/Nauru
+Pacific/Tarawa
+Pacific/Wake
+Pacific/Wallis
+NZ-CHAT
+Pacific/Chatham
+Etc/GMT-13
+MIT
+Pacific/Apia
+Pacific/Enderbury
+Pacific/Tongatapu
+Etc/GMT-14
+Pacific/Fakaofo
+Pacific/Kiritimati
+</code>