The timezone subparameter of explore_source supports the following values, which are listed below under their UTC offsets and geographical regions:

UTC-12:00 International Date Line West

• Etc/GMT+12

UTC-11:00 Coordinated Universal Time-11

• Etc/GMT+11
• Pacific/Pago_Pago
• Pacific/Samoa
• US/Samoa
• Pacific/Niue
• Pacific/Midway

UTC-10:00 Aleutian Islands

• America/Adak
• US/Aleutian

UTC-10:00 Hawaii

• Pacific/Honolulu
• US/Hawaii
• Pacific/Rarotonga
• Pacific/Tahiti
• Pacific/Johnston
• Etc/GMT+10
• HST

UTC-09:30 Marquesas Islands

• Pacific/Marquesas

UTC-09:00 Alaska

• America/Anchorage
• America/Juneau
• America/Metlakatla
• America/Nome
• America/Sitka
• America/Yakutat
• America/Atka
• US/Alaska

UTC-09:00 Coordinated Universal Time-09

• Etc/GMT+9
• Pacific/Gambier

UTC-08:00 Baja California

• America/Tijuana
• America/Santa_Isabel
• America/Ensenada
• Mexico/BajaNorte

UTC-08:00 Coordinated Universal Time-08

• Etc/GMT+8
• Pacific/Pitcairn

UTC-08:00 Pacific Time (US & Canada)

• America/Los_Angeles
• America/Vancouver
• America/Dawson
• America/Whitehorse
• Canada/Pacific
• Canada/Yukon
• PST8PDT

UTC-07:00 Arizona

• America/Phoenix
• America/Dawson_Creek
• America/Creston
• America/Fort_Nelson
• America/Shiprock
• America/Hermosillo
• US/Arizona
• Etc/GMT+7

UTC-07:00 Chihuahua, La Paz, Mazatlan

• America/Chihuahua
• America/Mazatlan
• Mexico/BajaSur

UTC-07:00 Mountain Time (US & Canada)

• America/Denver
• America/Edmonton
• America/Cambridge_Bay
• America/Inuvik
• America/Yellowknife
• Canada/Mountain
• America/Ojinaga
• America/Boise
• Navajo
• MST7MDT
• MST

UTC-06:00 Central America

• America/Guatemala
• America/Belize
• America/Costa_Rica
• Pacific/Galapagos
• America/Tegucigalpa
• America/Managua
• America/El_Salvador
• Etc/GMT+6

UTC-06:00 Central Time (US & Canada)

• America/Chicago
• America/Winnipeg
• America/Rainy_River
• America/Rankin_Inlet
• America/Resolute
• Canada/Central
• America/Matamoros
• America/Indiana/Knox
• America/Knox_IN
• America/Indiana/Tell_City
• America/Menominee
• America/North_Dakota/Beulah
• America/North_Dakota/Center
• America/North_Dakota/New_Salem
• US/Indiana-Starke
• CST6CDT

UTC-06:00 Easter Island

• Pacific/Easter
• Chile/EasterIsland

UTC-06:00 Guadalajara, Mexico City, Monterrey

• America/Mexico_City
• America/Bahia_Banderas
• America/Merida
• America/Monterrey
• Mexico/General

UTC-06:00 Saskatchewan

• America/Regina
• America/Swift_Current
• Canada/Saskatchewan

UTC-05:00 Bogota, Lima, Quito, Rio Branco

• America/Bogota
• America/Rio_Branco
• America/Eirunepe
• America/Porto_Acre
• Brazil/Acre
• America/Coral_Harbour
• America/Guayaquil
• America/Jamaica
• Jamaica
• America/Cayman
• America/Panama
• America/Lima
• Etc/GMT+5
• Australia/ACT
• ACT
• EST

UTC-05:00 Chetumal

• America/Cancun

UTC-05:00 Eastern Time (US & Canada)

• America/New_York
• America/Nassau
• America/Toronto
• America/Iqaluit
• America/Montreal
• America/Nipigon
• America/Pangnirtung
• America/Thunder_Bay
• America/Atikokan
• Canada/Eastern
• America/Detroit
• America/Indiana/Petersburg
• America/Indiana/Vincennes
• America/Indiana/Winamac
• America/Kentucky/Monticello
• America/Louisville
• America/Kentucky/Louisville
• US/Michigan
• EST5EDT

UTC-05:00 Haiti

• America/Port-au-Prince

UTC-05:00 Havana

• America/Havana
• Cuba

UTC-05:00 Indiana (East)

• America/Indianapolis
• America/Indiana/Marengo
• America/Indiana/Vevay
• America/Fort_Wayne
• America/Indiana/Indianapolis
• US/East-Indiana

UTC-05:00 Turks and Caicos

• America/Grand_Turk

UTC-04:00 Asuncion

• America/Asuncion

UTC-04:00 Atlantic Time (Canada)

• America/Halifax
• Atlantic/Bermuda
• America/Glace_Bay
• America/Goose_Bay
• America/Moncton
• Canada/Atlantic
• America/Thule

UTC-04:00 Caracas

• America/Caracas

UTC-04:00 Cuiaba

• America/Cuiaba
• America/Campo_Grande

UTC-04:00 Georgetown, La Paz, Manaus, San Juan

• America/La_Paz
• America/Antigua
• America/Anguilla
• America/Aruba
• America/Barbados
• America/St_Barthelemy
• America/Kralendijk
• America/Manaus
• America/Boa_Vista
• America/Porto_Velho
• Brazil/West
• America/Blanc-Sablon
• America/Curacao
• America/Dominica
• America/Santo_Domingo
• America/Grenada
• America/Guadeloupe
• America/Guyana
• America/St_Kitts
• America/St_Lucia
• America/Marigot
• America/Martinique
• America/Montserrat
• America/Puerto_Rico
• America/Lower_Princes
• America/Port_of_Spain
• America/Virgin
• America/St_Vincent
• America/Tortola
• America/St_Thomas
• Etc/GMT+4

UTC-04:00 Santiago

• America/Santiago
• Chile/Continental

UTC-03:30 Newfoundland

• America/St_Johns
• Canada/Newfoundland

UTC-03:00 Araguaina

• America/Araguaina

UTC-03:00 Brasilia

• America/Sao_Paulo
• Brazil/East

UTC-03:00 Cayenne, Fortaleza

• America/Cayenne
• Antarctica/Rothera
• Antarctica/Palmer
• America/Fortaleza
• America/Belem
• America/Maceio
• America/Recife
• America/Santarem
• Atlantic/Stanley
• America/Paramaribo
• Etc/GMT+3

UTC-03:00 City of Buenos Aires

• America/Buenos_Aires
• America/Argentina/La_Rioja
• America/Argentina/Rio_Gallegos
• America/Argentina/Salta
• America/Argentina/San_Juan
• America/Argentina/San_Luis
• America/Argentina/Tucuman
• America/Argentina/Ushuaia
• America/Catamarca
• America/Argentina/Catamarca
• America/Argentina/ComodRivadavia
• America/Cordoba
• America/Argentina/Cordoba
• America/Jujuy
• America/Argentina/Jujuy
• America/Mendoza
• America/Argentina/Mendoza
• America/Argentina/Buenos_Aires
• America/Rosario

UTC-03:00 Greenland

• America/Godthab

UTC-03:00 Montevideo

• America/Montevideo

UTC-03:00 Punta Arenas

• America/Punta_Arenas

UTC-03:00 Saint Pierre and Miquelon

• America/Miquelon

UTC-03:00 Salvador

• America/Bahia

UTC-02:00 Coordinated Universal Time-02

• Etc/GMT+2
• America/Noronha
• Brazil/DeNoronha
• Atlantic/South_Georgia

UTC-01:00 Azores

• Atlantic/Azores
• America/Scoresbysund

UTC-01:00 Cabo Verde Is.

• Atlantic/Cape_Verde
• Etc/GMT+1

UTC+00:00 Dublin, Edinburgh, Lisbon, London

• Europe/London
• Etc/Greenwich
• Europe/Belfast
• GB
• GB-Eire
• Greenwich
• Atlantic/Canary
• Atlantic/Faeroe
• Europe/Guernsey
• America/Danmarkshavn
• Europe/Dublin
• Eire
• Europe/Isle_of_Man
• Europe/Jersey
• Europe/Lisbon
• Portugal
• Atlantic/Madeira
• Atlantic/Faroe
• WET
• Etc/GMT
• Etc/GMT+0
• Etc/GMT-0
• Etc/GMT0
• Etc/UTC
• Etc/UCT
• Etc/Universal
• Etc/Zulu
• GMT
• GMT0
• GMT+0
• GMT-0
• UCT
• UTC
• Universal
• Zulu
• Antarctica/Troll

UTC+00:00 Monrovia, Reykjavik

• Atlantic/Reykjavik
• Iceland
• Africa/Ouagadougou
• Africa/Abidjan
• Africa/Accra
• Africa/Banjul
• Africa/Conakry
• Africa/Bissau
• Africa/Monrovia
• Africa/Bamako
• Africa/Nouakchott
• Atlantic/St_Helena
• Africa/Freetown
• Africa/Dakar
• Africa/Lome

UTC+00:00 Sao Tome

• Africa/Sao_Tome
• Africa/Timbuktu

UTC+01:00 Casablanca

• Africa/Casablanca
• Africa/El_Aaiun

UTC+01:00 Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna

• Europe/Berlin
• Europe/Andorra
• Europe/Vienna
• Europe/Zurich
• Europe/Busingen
• Europe/Gibraltar
• Europe/Rome
• Europe/Vaduz
• Europe/Luxembourg
• Europe/Monaco
• Europe/Malta
• Europe/Amsterdam
• Europe/Oslo
• Europe/Stockholm
• Arctic/Longyearbyen
• Atlantic/Jan_Mayen
• Europe/San_Marino
• Europe/Vatican

UTC+01:00 Belgrade, Bratislava, Budapest, Ljubljana, Prague

• Europe/Budapest
• Europe/Tirane
• Europe/Prague
• Europe/Podgorica
• Europe/Belgrade
• Europe/Ljubljana
• Europe/Bratislava

UTC+01:00 Brussels, Copenhagen, Madrid, Paris

• Europe/Paris
• MET
• Europe/Brussels
• Europe/Copenhagen
• Europe/Madrid
• Africa/Ceuta

UTC+01:00 Sarajevo, Skopje, Warsaw, Zagreb

• Europe/Warsaw
• Poland
• Europe/Sarajevo
• Europe/Zagreb
• Europe/Skopje

UTC+01:00 West Central Africa

• Africa/Lagos
• Africa/Luanda
• Africa/Porto-Novo
• Africa/Kinshasa
• Africa/Bangui
• Africa/Brazzaville
• Africa/Douala
• Africa/Algiers
• Africa/Libreville
• Africa/Malabo
• Africa/Niamey
• Africa/Ndjamena
• Africa/Tunis
• Etc/GMT-1
• CET

UTC+02:00 Amman

• Asia/Amman

UTC+02:00 Athens, Bucharest

• Europe/Bucharest
• Asia/Nicosia
• Asia/Famagusta
• Europe/Athens
• Europe/Nicosia

UTC+02:00 Beirut

• Asia/Beirut

UTC+02:00 Cairo

• Africa/Cairo
• Egypt

UTC+02:00 Chisinau

• Europe/Chisinau
• Europe/Tiraspol

UTC+02:00 Damascus

• Asia/Damascus

UTC+02:00 Gaza, Hebron

• Asia/Hebron
• Asia/Gaza

UTC+02:00 Harare, Pretoria

• Africa/Johannesburg
• Africa/Bujumbura
• Africa/Gaborone
• Africa/Lubumbashi
• Africa/Maseru
• Africa/Blantyre
• Africa/Maputo
• Africa/Kigali
• Africa/Mbabane
• Africa/Lusaka
• Africa/Harare
• Etc/GMT-2

UTC+02:00 Helsinki, Kyiv, Riga, Sofia, Tallinn, Vilnius

• Europe/Kiev
• Europe/Mariehamn
• Europe/Sofia
• Europe/Tallinn
• Europe/Helsinki
• Europe/Vilnius
• Europe/Riga
• Europe/Uzhgorod
• Europe/Zaporozhye

UTC+02:00 Jerusalem

• Asia/Jerusalem
• Asia/Tel_Aviv
• Israel

UTC+02:00 Kaliningrad

• Europe/Kaliningrad
• EET

UTC+02:00 Khartoum

• Africa/Khartoum

UTC+02:00 Tripoli

• Africa/Tripoli
• Libya

UTC+02:00 Windhoek

• Africa/Windhoek

UTC+03:00 Baghdad

• Asia/Baghdad

UTC+03:00 Istanbul

• Europe/Istanbul
• Asia/Istanbul
• Turkey

UTC+03:00 Kuwait, Riyadh

• Asia/Riyadh
• Asia/Bahrain
• Asia/Kuwait
• Asia/Qatar
• Asia/Aden

UTC+03:00 Minsk

• Europe/Minsk

UTC+03:00 Moscow, St. Petersburg

• Europe/Moscow
• Europe/Kirov
• W-SU
• Europe/Simferopol

UTC+03:00 Nairobi

• Africa/Nairobi
• Antarctica/Syowa
• Africa/Djibouti
• Africa/Asmera
• Africa/Asmara
• Africa/Addis_Ababa
• Indian/Comoro
• Indian/Antananarivo
• Africa/Mogadishu
• Africa/Juba
• Africa/Dar_es_Salaam
• Africa/Kampala
• Indian/Mayotte
• Etc/GMT-3

UTC+03:30 Tehran

• Asia/Tehran
• Iran

UTC+04:00 Abu Dhabi, Muscat

• Asia/Dubai
• Asia/Muscat
• Etc/GMT-4

UTC+04:00 Astrakhan, Ulyanovsk

• Europe/Astrakhan
• Europe/Ulyanovsk

UTC+04:00 Baku

• Asia/Baku

UTC+04:00 Izhevsk, Samara

• Europe/Samara

UTC+04:00 Port Louis

• Indian/Mauritius
• Indian/Reunion
• Indian/Mahe

UTC+04:00 Saratov

• Europe/Saratov

UTC+04:00 Tbilisi

• Asia/Tbilisi

UTC+04:00 Volgograd

• Europe/Volgograd

UTC+04:00 Yerevan

• Asia/Yerevan

UTC+04:30 Kabul

• Asia/Kabul

UTC+05:00 Ashgabat, Tashkent

• Asia/Tashkent
• Antarctica/Mawson
• Asia/Oral
• Asia/Aqtau
• Asia/Aqtobe
• Asia/Atyrau
• Indian/Maldives
• Indian/Kerguelen
• Asia/Dushanbe
• Asia/Ashgabat
• Asia/Ashkhabad
• Asia/Samarkand
• Etc/GMT-5

UTC+05:00 Ekaterinburg

• Asia/Yekaterinburg

UTC+05:00 Islamabad, Karachi

• Asia/Karachi

UTC+05:00 Qyzylorda

• Asia/Qyzylorda

UTC+05:30 Chennai, Kolkata, Mumbai, New Delhi

• Asia/Calcutta
• Asia/Kolkata

UTC+05:30 Sri Jayawardenepura

• Asia/Colombo

UTC+05:45 Kathmandu

• Asia/Katmandu
• Asia/Kathmandu

UTC+06:00 Astana

• Asia/Almaty
• Antarctica/Vostok
• Asia/Urumqi
• Indian/Chagos
• Asia/Bishkek
• Asia/Qostanay
• Etc/GMT-6

UTC+06:00 Dhaka

• Asia/Dhaka
• Asia/Dacca
• Asia/Thimphu
• Asia/Thimbu

UTC+06:00 Omsk

• Asia/Omsk

UTC+06:30 Yangon (Rangoon

• Asia/Rangoon
• Asia/Yangon
• Indian/Cocos

UTC+07:00 Bangkok, Hanoi, Jakarta

• Asia/Bangkok
• Antarctica/Davis
• Indian/Christmas
• Asia/Jakarta
• Asia/Pontianak
• Asia/Phnom_Penh
• Asia/Ho_Chi_Minh
• Asia/Vientiane
• Asia/Saigon
• Etc/GMT-7

UTC+07:00 Barnaul, Gorno-Altaysk

• Asia/Barnaul

UTC+07:00 Hovd

• Asia/Hovd

UTC+07:00 Krasnoyarsk

• Asia/Krasnoyarsk
• Asia/Novokuznetsk

UTC+07:00 Novosibirsk

• Asia/Novosibirsk

UTC+07:00 Tomsk

• Asia/Tomsk

UTC+08:00 Beijing, Chongqing, Hong Kong, Urumqi

• Asia/Shanghai
• Asia/Chongqing
• Asia/Chungking
• Asia/Harbin
• Asia/Kashgar
• PRC
• Asia/Hong_Kong
• Hongkong
• Asia/Macau
• Asia/Macao

UTC+08:00 Irkutsk

• Asia/Irkutsk

UTC+08:00 Kuala Lumpur, Singapore

• Asia/Singapore
• Singapore
• Antarctica/Casey
• Asia/Brunei
• Asia/Makassar
• Asia/Ujung_Pandang
• Asia/Kuala_Lumpur
• Asia/Kuching
• Asia/Manila
• Etc/GMT-8

UTC+08:00 Perth

• Australia/Perth
• Australia/West

UTC+08:00 Taipei

• Asia/Taipei
• ROC

UTC+08:00 Ulaanbaatar

• Asia/Ulaanbaatar
• Asia/Choibalsan
• Asia/Ulan_Bator

UTC+08:45 Eucla

• Australia/Eucla

UTC+09:00 Chita

• Asia/Chita

UTC+09:00 Osaka, Sapporo, Tokyo

• Asia/Tokyo
• Japan
• Asia/Jayapura
• Pacific/Palau
• Asia/Dili
• Etc/GMT-9

UTC+09:00 Pyongyang

• Asia/Pyongyang

UTC+09:00 Seoul

• Asia/Seoul
• ROK

UTC+09:00 Yakutsk

• Asia/Yakutsk
• Asia/Khandyga

UTC+09:30 Adelaide

• Australia/Adelaide
• Australia/Broken_Hill
• Australia/South
• Australia/Yancowinna

UTC+09:30 Darwin

• Australia/Darwin
• Australia/North

UTC+10:00 Brisbane

• Australia/Brisbane
• Australia/Lindeman
• Australia/Queensland

UTC+10:00 Canberra, Melbourne, Sydney

• Australia/Sydney
• Australia/Melbourne
• Australia/Canberra
• Australia/NSW
• Australia/Victoria

UTC+10:00 Guam, Port Moresby

• Pacific/Port_Moresby
• Antarctica/DumontDUrville
• Pacific/Truk
• Pacific/Guam
• Pacific/Chuuk
• Pacific/Yap
• Pacific/Saipan
• Etc/GMT-10
• US/Pacific
• US/Pacific-New

UTC+10:00 Hobart

• Australia/Hobart
• Australia/Currie
• Australia/Hobart
• Australia/Tasmania

UTC+10:00 Vladivostok

• Asia/Vladivostok
• Asia/Ust-Nera

UTC+10:30 Lord Howe Island

• Australia/Lord_Howe
• Australia/LHI

UTC+11:00 Bougainville Island

• Pacific/Bougainville

UTC+11:00 Chokurdakh

• Asia/Srednekolymsk

UTC+11:00 Magadan

• Asia/Magadan

UTC+11:00 Norfolk Island

• Pacific/Norfolk

UTC+11:00 Sakhalin

• Asia/Sakhalin

UTC+11:00 Solomon Is., New Caledonia

• Pacific/Guadalcanal
• Antarctica/Macquarie
• Pacific/Ponape
• Pacific/Kosrae
• Pacific/Pohnpei
• Pacific/Noumea
• Pacific/Efate
• Etc/GMT-11

UTC+12:00 Anadyr, Petropavlovsk-Kamchatsky

• Asia/Kamchatka
• Asia/Anadyr

UTC+12:00 Auckland, Wellington

• Pacific/Auckland
• Antarctica/McMurdo
• Antarctica/South_Pole
• NZ

UTC+12:00 Coordinated Universal Time+12

• Etc/GMT-12
• Pacific/Tarawa
• Pacific/Majuro
• Pacific/Kwajalein
• Kwajalein
• Pacific/Nauru
• Pacific/Funafuti
• Pacific/Wake
• Pacific/Wallis

UTC+12:00 Fiji

• Pacific/Fiji

UTC+12:45 Chatham Islands

• Pacific/Chatham
• NZ-CHAT

UTC+13:00 Coordinated Universal Time+13

• Etc/GMT-13
• Pacific/Enderbury
• Pacific/Fakaofo

UTC+13:00 Nuku’alofa

• Pacific/Tongatapu

UTC+13:00 Samoa

• Pacific/Apia

UTC+14:00 Kiritimati Island

• Pacific/Kiritimati
• Etc/GMT-14