This topic describes all valid values of the tz parameter that is used in the date and time functions.

The domain specific language (DSL) syntax supports multiple date and time functions. Each function uses tz=Time zone string to provide time zone information. Examples:
dt_parse(v("__time__"), tz="Asia/Shanghai") # Parse the __time__ field to the time in the time zone of Shanghai. 
dt_now(tz="Asia/Tokyo") # Obtain the current time in the time zone of Tokyo. 
The following code contains all valid values of the tz parameter. Each line displays four time zone strings. The strings are separated by commas (,).
Africa/Abidjan, Africa/Accra, Africa/Addis_Ababa, Africa/Algiers
Africa/Asmara, Africa/Asmera, Africa/Bamako, Africa/Bangui
Africa/Banjul, Africa/Bissau, Africa/Blantyre, Africa/Brazzaville
Africa/Bujumbura, Africa/Cairo, Africa/Casablanca, Africa/Ceuta
Africa/Conakry, Africa/Dakar, Africa/Dar_es_Salaam, Africa/Djibouti
Africa/Douala, Africa/El_Aaiun, Africa/Freetown, Africa/Gaborone
Africa/Harare, Africa/Johannesburg, Africa/Juba, Africa/Kampala
Africa/Khartoum, Africa/Kigali, Africa/Kinshasa, Africa/Lagos
Africa/Libreville, Africa/Lome, Africa/Luanda, Africa/Lubumbashi
Africa/Lusaka, Africa/Malabo, Africa/Maputo, Africa/Maseru
Africa/Mbabane, Africa/Mogadishu, Africa/Monrovia, Africa/Nairobi
Africa/Ndjamena, Africa/Niamey, Africa/Nouakchott, Africa/Ouagadougou
Africa/Porto-Novo, Africa/Sao_Tome, Africa/Timbuktu, Africa/Tripoli
Africa/Tunis, Africa/Windhoek, America/Adak, America/Anchorage
America/Anguilla, America/Antigua, 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/San_Luis, America/Argentina/Tucuman, America/Argentina/Ushuaia
America/Aruba, America/Asuncion, America/Atikokan, America/Atka
America/Bahia, America/Bahia_Banderas, America/Barbados, America/Belem
America/Belize, America/Blanc-Sablon, America/Boa_Vista, America/Bogota
America/Boise, America/Buenos_Aires, America/Cambridge_Bay, America/Campo_Grande
America/Cancun, America/Caracas, America/Catamarca, America/Cayenne
America/Cayman, America/Chicago, America/Chihuahua, America/Coral_Harbour
America/Cordoba, America/Costa_Rica, America/Creston, America/Cuiaba
America/Curacao, America/Danmarkshavn, America/Dawson, America/Dawson_Creek
America/Denver, America/Detroit, America/Dominica, America/Edmonton
America/Eirunepe, America/El_Salvador, America/Ensenada, America/Fort_Nelson
America/Fort_Wayne, America/Fortaleza, America/Glace_Bay, America/Godthab
America/Goose_Bay, America/Grand_Turk, America/Grenada, America/Guadeloupe
America/Guatemala, America/Guayaquil, America/Guyana, America/Halifax
America/Havana, America/Hermosillo, America/Indiana/Indianapolis, America/Indiana/Knox
America/Indiana/Marengo, America/Indiana/Petersburg, America/Indiana/Tell_City, America/Indiana/Vevay
America/Indiana/Vincennes, America/Indiana/Winamac, America/Indianapolis, America/Inuvik
America/Iqaluit, America/Jamaica, America/Jujuy, America/Juneau
America/Kentucky/Louisville, America/Kentucky/Monticello, America/Knox_IN, America/Kralendijk
America/La_Paz, America/Lima, America/Los_Angeles, America/Louisville
America/Lower_Princes, America/Maceio, America/Managua, America/Manaus
America/Marigot, America/Martinique, America/Matamoros, America/Mazatlan
America/Mendoza, America/Menominee, America/Merida, America/Metlakatla
America/Mexico_City, America/Miquelon, America/Moncton, America/Monterrey
America/Montevideo, America/Montreal, America/Montserrat, America/Nassau
America/New_York, America/Nipigon, America/Nome, America/Noronha
America/North_Dakota/Beulah, America/North_Dakota/Center, America/North_Dakota/New_Salem, America/Ojinaga
America/Panama, America/Pangnirtung, America/Paramaribo, America/Phoenix
America/Port-au-Prince, America/Port_of_Spain, America/Porto_Acre, America/Porto_Velho
America/Puerto_Rico, America/Punta_Arenas, America/Rainy_River, America/Rankin_Inlet
America/Recife, America/Regina, America/Resolute, America/Rio_Branco
America/Rosario, America/Santa_Isabel, America/Santarem, America/Santiago
America/Santo_Domingo, America/Sao_Paulo, America/Scoresbysund, America/Shiprock
America/Sitka, America/St_Barthelemy, America/St_Johns, America/St_Kitts
America/St_Lucia, America/St_Thomas, America/St_Vincent, America/Swift_Current
America/Tegucigalpa, America/Thule, America/Thunder_Bay, America/Tijuana
America/Toronto, America/Tortola, America/Vancouver, America/Virgin
America/Whitehorse, America/Winnipeg, America/Yakutat, America/Yellowknife
Antarctica/Casey, Antarctica/Davis, Antarctica/DumontDUrville, Antarctica/Macquarie
Antarctica/Mawson, Antarctica/McMurdo, Antarctica/Palmer, Antarctica/Rothera
Antarctica/South_Pole, Antarctica/Syowa, Antarctica/Troll, Antarctica/Vostok
Arctic/Longyearbyen, Asia/Aden, Asia/Almaty, Asia/Amman
Asia/Anadyr, Asia/Aqtau, Asia/Aqtobe, Asia/Ashgabat
Asia/Ashkhabad, Asia/Atyrau, Asia/Baghdad, Asia/Bahrain
Asia/Baku, Asia/Bangkok, Asia/Barnaul, Asia/Beirut
Asia/Bishkek, Asia/Brunei, Asia/Calcutta, Asia/Chita
Asia/Choibalsan, Asia/Chongqing, Asia/Chungking, Asia/Colombo
Asia/Dacca, Asia/Damascus, Asia/Dhaka, Asia/Dili
Asia/Dubai, Asia/Dushanbe, Asia/Famagusta, Asia/Gaza
Asia/Harbin, Asia/Hebron, Asia/Ho_Chi_Minh, Asia/Hong_Kong
Asia/Hovd, Asia/Irkutsk, Asia/Istanbul, Asia/Jakarta
Asia/Jayapura, Asia/Jerusalem, Asia/Kabul, Asia/Kamchatka
Asia/Karachi, Asia/Kashgar, Asia/Kathmandu, Asia/Katmandu
Asia/Khandyga, Asia/Kolkata, Asia/Krasnoyarsk, Asia/Kuala_Lumpur
Asia/Kuching, Asia/Kuwait, Asia/Macao, Asia/Macau
Asia/Magadan, Asia/Makassar, Asia/Manila, Asia/Muscat
Asia/Nicosia, Asia/Novokuznetsk, Asia/Novosibirsk, Asia/Omsk
Asia/Oral, Asia/Phnom_Penh, Asia/Pontianak, Asia/Pyongyang
Asia/Qatar, Asia/Qostanay, Asia/Qyzylorda, Asia/Rangoon
Asia/Riyadh, Asia/Saigon, Asia/Sakhalin, Asia/Samarkand
Asia/Seoul, Asia/Shanghai, Asia/Singapore, Asia/Srednekolymsk
Asia/Taipei, Asia/Tashkent, Asia/Tbilisi, Asia/Tehran
Asia/Tel_Aviv, Asia/Thimbu, Asia/Thimphu, Asia/Tokyo
Asia/Tomsk, Asia/Ujung_Pandang, Asia/Ulaanbaatar, Asia/Ulan_Bator
Asia/Urumqi, Asia/Ust-Nera, Asia/Vientiane, Asia/Vladivostok
Asia/Yakutsk, Asia/Yangon, Asia/Yekaterinburg, Asia/Yerevan
Atlantic/Azores, Atlantic/Bermuda, Atlantic/Canary, Atlantic/Cape_Verde
Atlantic/Faeroe, Atlantic/Faroe, Atlantic/Jan_Mayen, Atlantic/Madeira
Atlantic/Reykjavik, Atlantic/South_Georgia, Atlantic/St_Helena, Atlantic/Stanley
Australia/ACT, Australia/Adelaide, Australia/Brisbane, Australia/Broken_Hill
Australia/Canberra, Australia/Currie, Australia/Darwin, Australia/Eucla
Australia/Hobart, Australia/LHI, Australia/Lindeman, Australia/Lord_Howe
Australia/Melbourne, Australia/NSW, Australia/North, Australia/Perth
Australia/Queensland, Australia/South, Australia/Sydney, Australia/Tasmania
Australia/Victoria, Australia/West, Australia/Yancowinna, Brazil/Acre
Brazil/DeNoronha, Brazil/East, Brazil/West, CET
CST6CDT, Canada/Atlantic, Canada/Central, Canada/Eastern
Canada/Mountain, Canada/Newfoundland, Canada/Pacific, Canada/Saskatchewan
Canada/Yukon, Chile/Continental, Chile/EasterIsland, Cuba
EET, EST, EST5EDT, Egypt
Eire, Etc/GMT, Etc/GMT+0, Etc/GMT+1
Etc/GMT+10, Etc/GMT+11, Etc/GMT+12, Etc/GMT+2
Etc/GMT+3, Etc/GMT+4, Etc/GMT+5, Etc/GMT+6
Etc/GMT+7, Etc/GMT+8, Etc/GMT+9, Etc/GMT-0
Etc/GMT-1, Etc/GMT-10, Etc/GMT-11, Etc/GMT-12
Etc/GMT-13, Etc/GMT-14, Etc/GMT-2, Etc/GMT-3
Etc/GMT-4, Etc/GMT-5, Etc/GMT-6, Etc/GMT-7
Etc/GMT-8, Etc/GMT-9, Etc/GMT0, Etc/Greenwich
Etc/UCT, Etc/UTC, Etc/Universal, Etc/Zulu
Europe/Amsterdam, Europe/Andorra, Europe/Astrakhan, Europe/Athens
Europe/Belfast, Europe/Belgrade, Europe/Berlin, Europe/Bratislava
Europe/Brussels, Europe/Bucharest, Europe/Budapest, Europe/Busingen
Europe/Chisinau, Europe/Copenhagen, Europe/Dublin, Europe/Gibraltar
Europe/Guernsey, Europe/Helsinki, Europe/Isle_of_Man, Europe/Istanbul
Europe/Jersey, Europe/Kaliningrad, Europe/Kiev, Europe/Kirov
Europe/Lisbon, Europe/Ljubljana, Europe/London, Europe/Luxembourg
Europe/Madrid, Europe/Malta, Europe/Mariehamn, Europe/Minsk
Europe/Monaco, Europe/Moscow, Europe/Nicosia, Europe/Oslo
Europe/Paris, Europe/Podgorica, Europe/Prague, Europe/Riga
Europe/Rome, Europe/Samara, Europe/San_Marino, Europe/Sarajevo
Europe/Saratov, Europe/Simferopol, Europe/Skopje, Europe/Sofia
Europe/Stockholm, Europe/Tallinn, Europe/Tirane, Europe/Tiraspol
Europe/Ulyanovsk, Europe/Uzhgorod, Europe/Vaduz, Europe/Vatican
Europe/Vienna, Europe/Vilnius, Europe/Volgograd, Europe/Warsaw
Europe/Zagreb, Europe/Zaporozhye, Europe/Zurich, GB
GB-Eire, GMT, GMT+0, GMT-0
GMT0, Greenwich, HST, Hongkong
Iceland, Indian/Antananarivo, Indian/Chagos, Indian/Christmas
Indian/Cocos, Indian/Comoro, Indian/Kerguelen, Indian/Mahe
Indian/Maldives, Indian/Mauritius, Indian/Mayotte, Indian/Reunion
Iran, Israel, Jamaica, Japan
Kwajalein, Libya, MET, MST
MST7MDT, Mexico/BajaNorte, Mexico/BajaSur, Mexico/General
NZ, NZ-CHAT, Navajo, PRC
PST8PDT, Pacific/Apia, Pacific/Auckland, Pacific/Bougainville
Pacific/Chatham, Pacific/Chuuk, Pacific/Easter, Pacific/Efate
Pacific/Enderbury, Pacific/Fakaofo, Pacific/Fiji, Pacific/Funafuti
Pacific/Galapagos, Pacific/Gambier, Pacific/Guadalcanal, Pacific/Guam
Pacific/Honolulu, Pacific/Johnston, Pacific/Kiritimati, Pacific/Kosrae
Pacific/Kwajalein, Pacific/Majuro, Pacific/Marquesas, Pacific/Midway
Pacific/Nauru, Pacific/Niue, Pacific/Norfolk, Pacific/Noumea
Pacific/Pago_Pago, Pacific/Palau, Pacific/Pitcairn, Pacific/Pohnpei
Pacific/Ponape, Pacific/Port_Moresby, Pacific/Rarotonga, Pacific/Saipan
Pacific/Samoa, Pacific/Tahiti, Pacific/Tarawa, Pacific/Tongatapu
Pacific/Truk, Pacific/Wake, Pacific/Wallis, Pacific/Yap
Poland, Portugal, ROC, ROK
Singapore, Turkey, UCT, US/Alaska
US/Aleutian, US/Arizona, US/Central, US/East-Indiana
US/Eastern, US/Hawaii, US/Indiana-Starke, US/Michigan
US/Mountain, US/Pacific, US/Samoa, UTC
Universal, W-SU, WET, Zulu