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All the observed world time zones are listed by country (or territory) in the table below as of 13 March 2025. There are the independent states with multiple time zones, the record-holder is France with 12 zones, but 11 of them are used in overseas areas and only one in the country's mainland. The same situation is in the United Kingdom, Denmark, New Zealand, Netherlands. The countries with multiple time zones in the mainland area (some of them also have the insular territories) are Russia, USA, Canada, Australia, Mexico, Brazil, Indonesia, Kazakhstan, Mongolia, Democratic Republic of the Congo, Kiribati, Micronesia, Chile, Spain, Portugal and Ecuador.
The Daylight Saving Time (DST) is widely used in Europe, North America, and in some parts of Africa, Australia and South America. It helps to make the daylight duration longer in summer by setting clock 1 hour forward in the spring (start of DST period) and by setting them 1 hour backward in autumn, when the DST period is over.
Alphabetical list of countries and territories with their standard time zones and DST
| Flag | Country code(s) | Country name | Time Zone | UTC offset | DST |
|---|---|---|---|---|---|
| AD | Andorra | Europe/Andorra (CET) | UTC+01:00 | YES | |
| AE | United Arab Emirates | Asia/Dubai (GST) | UTC+04:00 | NO | |
| AF | Afghanistan | Asia/Kabul (AFT) | UTC+04:30 | NO | |
| AG | Antigua and Barbuda | America/Antigua (AST) | UTC-04:00 | NO | |
| AI | Anguilla | America/Anguilla (AST) | UTC-04:00 | NO | |
| AL | Albania | Europe/Tirane (CET) | UTC+01:00 | YES | |
| AM | Armenia | Asia/Yerevan (AMT) | UTC+04:00 | NO | |
| AO | Angola | Africa/Luanda (WAT) | UTC+01:00 | NO | |
| AQ | Antarctica | Palmer Station, Rothera Station – (ART) | UTC-03:00 | NO | |
| Troll Station – (GMT) | UTC+00:00 | YES | |||
| Syowa Station | UTC+03:00 | NO | |||
| Mawson Station | UTC+05:00 | ||||
| Vostok Station | UTC+06:00 | ||||
| Davis Station | UTC+07:00 | ||||
| Dumont-d'Urville Station | UTC+10:00 | NO | |||
| Casey Station | UTC+11:00 | YES | |||
| McMurdo Station, Amundsen–Scott South Pole Station | UTC+12:00 | YES | |||
| AR | Argentina | America/Argentina/Buenos_Aires (ART), America/Argentin (ART), America/Argentina/Jujuy (ART), America/Argentina/La_Rioja (ART), America/Argentina/Salta (ART), America/Argentina/San_Juan (ART), America/Argentina/San_Luis (ART), America/Argentina/Tucuman (ART), America/Argentina/Ushuaia (ART) | UTC-03:00 | NO | |
| AS | American Samoa | Pacific/Pago_Pago (SST) | UTC-11:00 | NO | |
| AT | Austria | Europe/Vienna (CET) | UTC+01:00 | YES | |
| AU | Australia | Heard and McDonald Islands | UTC+05:00 | YES | |
| Cocos (Keeling) Islands | UTC+06:30 | NO | |||
| Christmas Island — (CXT) | UTC+07:00 | ||||
| Western Australia, Indian Pacific railway when travelling between Port Augusta, South Australia and Kalgoorlie, Western Australia) – (AWST) | UTC+08:00 | ||||
| South Australia (Border Village), Western Australia (Caiguna, Cocklebiddy, Eucla, Madura, Mundrabilla) – (CWT) | UTC+08:45 | ||||
| South Australia, Northern Territory, New South Wales (Yancowinna County) – (ACST) | UTC+09:30 | ||||
| Queensland, New South Wales, Australian Capital Territory, Victoria, Tasmania – (AEST) | UTC+10:00 | ||||
| Lord Howe Island | UTC+10:30 | YES | |||
| Norfolk Island — (NFT) | UTC+11:00 | ||||
| AW | Aruba | America/Aruba (AST) | UTC-04:00 | NO | |
| AX | Åland Islands | Europe/Mariehamn (EET) | UTC+02:00 | YES | |
| AZ | Azerbaijan | Asia/Baku (AZT) | UTC+04:00 | NO | |
| BB | Barbados | America/Barbados (AST) | UTC-04:00 | NO | |
| BD | Bangladesh | Asia/Dhaka (BST) | UTC+06:00 | NO | |
| BE | Belgium | Europe/Brussels (CET) | UTC+01:00 | YES | |
| BF | Burkina Faso | Europe/Sofia (GMT) | UTC+00:00 | NO | |
| BG | Bulgaria | Europe/Sofia (EET) | UTC+02:00 | YES | |
| BH | Bahrain | Asia/Bahrain (AST) | UTC+03:00 | NO | |
| BI | Burundi | Africa/Bujumbura (CAT) | UTC+02:00 | NO | |
| BJ | Benin | Africa/Porto-Novo (WAT) | UTC+01:00 | NO | |
| BL | Saint Barthélemy | America/St_Barthelemy (AST) | UTC-04:00 | NO | |
| BM | Bermuda | Atlantic/Bermuda (ADT) | UTC-03:00 | NO | |
| BN | Brunei | Asia/Brunei (BNT) | UTC+08:00 | NO | |
| BO | Bolivia | America/La_Paz (BOT) | UTC-04:00 | NO | |
| BR | Brazil | (Brasília time −2) – Acre and Southwestern Amazonas – (ACT) | UTC-05:00 | NO | |
| (Brasília time −1) – Most part of the Amazonas State, Mato Grosso, Mato Grosso do Sul, Rondônia, Roraima – (AMT) | UTC-04:00 | ||||
| (Brasília time) – The Southeast Region, the South Region, the Northeast Region (except some islands), Goiás, Distrito Federal, Tocantins, Pará, Amapá – (BRT) | UTC-03:00 | ||||
| (Brasília time +1) – Some islands on the east coast of Brazil (Fernando de Noronha, Trindade and Martim Vaz, Rocas Atoll, Saint Peter and Saint Paul Archipelago) – (FNT) | UTC-02:00 | ||||
| BS | Bahamas | America/Nassau (EDT) | UTC-04:00 | YES | |
| BT | Bhutan | Asia/Thimphu (BTT) | UTC+06:00 | NO | |
| BW | Botswana | Africa/Gaborone (CAT) | UTC+02:00 | NO | |
| BY | Belarus | Europe/Minsk (MSK) | UTC+03:00 | NO | |
| BZ | Belize | America/Belize (CST) | UTC-06:00 | NO | |
| CA | Canada | larger western part of British Columbia, Tungsten and the associated Cantung Mine in Northwest Territories, Yukon – (PT) | UTC-08:00 | YES | |
| Alberta, some eastern parts of British Columbia, most of Northwest Territories, Nunavut – (MT) | UTC-07:00 | ||||
| Manitoba, Nunavut (between 85° West and 102°W except western Southampton Island), Ontario , Saskatchewan except Lloydminster – (CT) | UTC-06:00 | ||||
| Nunavut east of 85°W and entire Southampton Island, Ontario east of 90°W – (ET) | UTC-05:00 | ||||
| Labrador, New Brunswick, Nova Scotia, Prince Edward Island, eastern part of Quebec – (AT) | UTC-04:00 | ||||
| Labrador (southeastern), Newfoundland — (NT) |
UTC-03:30 | ||||
| CD | Congo - Kinshasa | Provinces of Équateur, Kinshasa, Kongo Central, Kwango, Kwilu, Mai-Ndombe, Mongala, Nord-Ubangi, Sud-Ubangi and Tshuapa — (WAT) | UTC+01:00 | NO | |
| Provinces of Bas-Uele, Haut-Katanga, Haut-Lomami, Haut-Uele, Kasaï, Kasaï-Central, Kasaï Oriental, Lomami, Lualaba, Maniema, Nord-Kivu, Sankuru, Sud-Kivu, Tanganyika, Tshopo and Ituri Interim Administration — (CAT) | UTC+02:00 | ||||
| CF | Central African Republic | America/Cayman (EST) | UTC-05:00 | NO | |
| CG | Congo - Brazzaville | Africa/Brazzaville (COT) | UTC+01:00 | NO | |
| CH | Switzerland | Europe/Zurich (CET) | UTC+01:00 | YES | |
| CK | Cook Islands | Pacific/Rarotonga (CKT) | UTC-10:00 | NO | |
| CL | Chile | Easter Island | UTC-06:00 | YES | |
| Main territory of Chile | UTC-04:00 | ||||
| Magallanes and Chilean Antarctica | UTC-03:00 | NO | |||
| CM | Cameroon | Africa/Douala (WAT) | UTC+01:00 | NO | |
| CN | China | Asia/Shanghai (CST) – (only uses Xinjiang Time unofficially in Tibet and Xinjiang) | UTC+08:00 | NO | |
| CO | Colombia | America/Bogota (COT) | UTC-05:00 | NO | |
| CR | Costa Rica | America/Costa_Rica (CST) | UTC-06:00 | NO | |
| CU | Cuba | America/Havana (CDT) | UTC-04:00 | YES | |
| CV | Cape Verde | Atlantic/Cape_Verde (CVT) | UTC-01:00 | NO | |
| CW | Curaçao | America/Curacao (AST) | UTC-04:00 | YES | |
| CX | Christmas Island | Indian/Christmas (CXT), Indian/Cocos (CXT) | UTC+07:00 | NO | |
| CY | Cyprus | Asia/Famagusta (EEST) | UTC+03:00 | NO | |
| CZ | Czech Republic | Europe/Prague (CET) (CRT) | UTC+01:00 | YES | |
| DE | Germany | Europe/Berlin (CET), Europe/Busingen (CET) | UTC+01:00 | YES | |
| DJ | Djibouti | Africa/Djibouti (EAT) | UTC+03:00 | NO | |
| DK | Denmark | Main territory of Denmark – (CET) | UTC+01:00 | YES | |
| DM | Dominica | America/Dominica (AST) | UTC-04:00 | NO | |
| DO | Dominican Republic | America/Santo_Domingo (AST) | UTC-04:00 | NO | |
| DZ | Algeria | Africa/Algiers (CET) | UTC+01:00 | NO | |
| EC | Ecuador | Galápagos Province — (GALT) | UTC-06:00 | NO | |
| Main territory of Ecuador — (Ecuador Time) | UTC-05:00 | ||||
| EE | Estonia | Europe/Tallinn (EET) | UTC+02:00 | YES | |
| EG | Egypt | Africa/Cairo (EGY) | UTC+02:00 | YES | |
| ER | Eritrea | Africa/Asmara (EAT) | UTC+03:00 | NO | |
| ES | Spain | Canary Islands — (WET) | UTC+00:00 | YES | |
| Main territory of Spain — (CET) | UTC+01:00 | ||||
| ET | Ethiopia | Africa/Addis_Ababa (EAT) | UTC+03:00 | NO | |
| FI | Finland | Europe/Helsinki (EET), Europe/Mariehamn (EET) | UTC+02:00 | YES | |
| FJ | Fiji | Pacific/Fiji (FJT) | UTC+12:00 | NO | |
| FK | Falkland Islands | Atlantic/Stanley (FKT) | UTC-03:00 | NO | |
| FM | Federated States of Micronesia | States of Chuuk and Yap - Pacific/Chuuk | UTC+10:00 | NO | |
| States of Kosrae and Pohnpei - Pacific/Kosrae, Pacific/Pohnpei | UTC+11:00 | ||||
| FO | Faroe Islands | Atlantic/Faroe (WEST) | UTC+01:00 | NO | |
| FR | France | Society Islands, Tuamotus, Austral Islands | UTC−10:00 | NO | |
| Marquesas Islands | UTC−09:30 | ||||
| Gambier Islands | UTC−09:00 | ||||
| Clipperton Island | UTC−08:00 | ||||
| Guadeloupe, Martinique, Saint Barthélemy, Saint Martin — (AST) | UTC−04:00 | ||||
| French Guiana, Saint Pierre and Miquelon — (PMST) | UTC−03:00 | YES | |||
| Metropolitan France – (CET) | UTC+01:00 | ||||
| Mayotte, Scattered Islands in the Indian Ocean | UTC+03:00 | NO | |||
| Réunion, Crozet Islands | UTC+04:00 | ||||
| Kerguelen Islands, Saint Paul and Amsterdam Islands | UTC+05:00 | ||||
| New Caledonia | UTC+11:00 | ||||
| Wallis and Futuna | UTC+12:00 | ||||
| GA | Gabon | Africa/Libreville (WAT) | UTC+01:00 | NO | |
| GB | United Kingdom | Pitcairn Islands | UTC−08:00 | NO | |
| Cayman Islands | UTC−05:00 | YES | |||
| Bermuda — (AST) Anguilla, British Virgin Islands, Montserrat — (AST, DST never observed) |
UTC−04:00 | NO | |||
| Falkland Islands, British Antarctic Territory — (FKST) | UTC−03:00 | NO | |||
| South Georgia and the South Sandwich Islands | UTC−02:00 | NO | |||
| United Kingdom (England, Northern Ireland, Scotland, and Wales), Guernsey, Isle of Man, Jersey — (GMT) Saint Helena, Ascension and Tristan da Cunha — (GMT, DST never observed) |
UTC+00:00 | YES | |||
| Gibraltar — (CET) | UTC+01:00 | ||||
| Akrotiri and Dhekelia — (EET) | UTC+02:00 | ||||
| British Indian Ocean Territory | UTC+06:00 | NO | |||
| GD | Grenada | America/Grenada (AST) | UTC-04:00 | NO | |
| GE | Georgia | Asia/Tbilisi (GET) | UTC+04:00 | NO | |
| GF | French Guiana | America/Cayenne (GFT) | UTC-03:00 | NO | |
| GG | Guernsey | Europe/Guernsey (BST) | UTC+01:00 | YES | |
| GH | Ghana | Africa/Accra (GMT) | UTC+00:00 | NO | |
| GI | Gibraltar | Europe/Gibraltar (CET) | UTC+01:00 | YES | |
| GL | Greenland | Pituffik Space Base in Greenland | UTC-04:00 | YES | |
| Most of Greenland, including inhabited south coast and west coast | UTC-03:00 | ||||
| Ittoqqortoormiit and surrounding area in Greenland's Tunu county | UTC-01:00 | ||||
| Danmarkshavn weather station and surrounding area in Greenland's Tunu county, Faroe Islands — (GMT) | UTC 00:00 | NO | |||
| GM | Gambia | Africa/Banjul (GMT) | UTC+00:00 | NO | |
| GN | Guinea | Africa/Conakry (GMT) | UTC+00:00 | NO | |
| GP | Guadeloupe | America/Guadeloupe (AST) | UTC-04:00 | NO | |
| GQ | Equatorial Guinea | Africa/Malabo (WAT) | UTC+01:00 | NO | |
| GR | Greece | Europe/Athens (EET) | UTC+02:00 | YES | |
| GS | South Georgia and the South Sandwich Islands | Atlantic/South_Georgia (GST) | UTC-02:00 | NO | |
| GT | Guatemala | America/Guatemala (CST) | UTC-06:00 | NO | |
| GU | Guam | Pacific/Guam (ChST) | UTC+10:00 | NO | |
| GW | Guinea-Bissau | Africa/Bissau (GMT) | UTC+00:00 | NO | |
| GY | Guyana | America/Guyana (GYT) | UTC-04:00 | NO | |
| HK | Hong Kong SAR China | Asia/Hong_Kong (HKT) | UTC+08:00 | NO | |
| HN | Honduras | America/Tegucigalpa (CST) | UTC-06:00 | NO | |
| HR | Croatia | Europe/Zagreb (CET) | UTC+01:00 | YES | |
| HT | Haiti | America/Port-au-Prince (EDT) | UTC-04:00 | YES | |
| HU | Hungary | Europe/Budapest (CET) | UTC+01:00 | YES | |
| ID | Indonesia | (Western Indonesian Standard Time) — Islands of Sumatra, Java, Madura, provinces of Bangka Belitung Islands, Riau Islands, West Kalimantan and Central Kalimantan — (WIB) | UTC+07:00 | NO | |
| (Central Indonesian Standard Time) — Islands of Sulawesi, Bali, provinces of East Nusa Tenggara, West Nusa Tenggara, East Kalimantan, North Kalimantan and South Kalimantan — (WITA) | UTC+08:00 | ||||
| (Eastern Indonesian Standard Time) — Islands of Maluku Islands and Western New Guinea — (WIT) | UTC+09:00 | ||||
| IE | Ireland | Europe/Dublin (IST) | UTC+01:00 | YES | |
| IM | Isle of Man | Europe/Isle_of_Man (BST) | UTC+01:00 | YES | |
| IN | India | Asia/Kolkata (IST) | UTC+05:30 | NO | |
| IQ | Iraq | Asia/Baghdad (AST) | UTC+03:00 | NO | |
| IR | Iran | Asia/Tehran (IRDT) | UTC+03:30 | NO | |
| IS | Iceland | Atlantic/Reykjavik (GMT) | UTC+00:00 | NO | |
| IT | Italy | Europe/Rome (CET) | UTC+01:00 | YES | |
| JE | Jersey | Europe/Jersey (BST) | UTC+01:00 | YES | |
| JM | Jamaica | America/Jamaica (EST) | UTC-05:00 | NO | |
| JO | Jordan | Asia/Amman (AST) | UTC+03:00 | NO | |
| JP | Japan | Asia/Tokyo (JST) | UTC+09:00 | NO | |
| KH | Cambodia | Asia/Phnom_Penh (ICT) | UTC+07:00 | NO | |
| KM | Comoros | Indian/Comoros (EAT) | UTC+03:00 | NO | |
| KN | Saint Kitts and Nevis | America/St_Kitts (AST) | UTC-04:00 | NO | |
| KP | North Korea | (Pyongyang Time) — (PYT) | UTC+09:00 | NO | |
| KR | South Korea | (Korea Standard Time) — (KST) | UTC+09:00 | NO | |
| KY | Cayman Islands | America/Cayman (EST) | UTC-05:00 | NO | |
| KZ | Kazakhstan | Asia/Almaty (ALMT) | UTC+05:00 | NO | |
| KI | Kiribati | Gilberts, Marshalls, Wake — Pacific/Tarawa | UTC+12:00 | NO | |
| Phoenix Islands — Pacific/Kanton | UTC+13:00 | ||||
| Line Islands — Pacific/Kiritimati | UTC+14:00 | ||||
| KE | Kenya | Africa/Nairobi (EAT) | UTC+03:00 | NO | |
| LA | Laos | Asia/Vientiane (ICT) | UTC+07:00 | NO | |
| LB | Lebanon | Asia/Beirut (EET) | UTC+02:00 | YES | |
| LC | Saint Lucia | America/St_Lucia (AST) | UTC-04:00 | NO | |
| LI | Liechtenstein | Europe/Vaduz (CET) | UTC+01:00 | YES | |
| LK | Sri Lanka | Asia/Colombo (IST) | UTC+05:30 | NO | |
| LR | Liberia | Africa/Monrovia (GMT) | UTC+00:00 | NO | |
| LS | Lesotho | Africa/Maseru (SAST) | UTC+02:00 | NO | |
| LT | Lithuania | Europe/Vilnius (EET) | UTC+02:00 | YES | |
| LU | Luxembourg | Europe/Luxembourg (CET) | UTC+01:00 | YES | |
| LV | Latvia | Europe/Riga (EET) | UTC+02:00 | YES | |
| LY | Libya | Africa/Tripoli (EET) | UTC+02:00 | NO | |
| MA | Morocco | Africa/Casablanca (CET) | UTC+01:00 | NO | |
| MC | Monaco | Europe/Monaco (CET) | UTC+01:00 | YES | |
| MD | Moldova | Europe/Chisinau (EET) | UTC+02:00 | YES | |
| ME | Montenegro | Europe/Podgorica (CET) | UTC+01:00 | YES | |
| MF | Saint Martin | America/Marigot (AST) | UTC-04:00 | NO | |
| MG | Madagascar | Indian/Antananarivo (EAT) | UTC+03:00 | NO | |
| MH | Marshall Islands | Pacific/Kwajalein (+12), Pacific/Majuro (+12) | UTC+12:00 | NO | |
| MK | North Macedonia | Europe/Skopje (CES) | UTC+01:00 | YES | |
| ML | Mali | Africa/Bamako (GMT) | UTC+00:00 | NO | |
| MM | Myanmar (Burma) | Asia/Yangon (MMT) | UTC+06:30 | NO | |
| MN | Mongolia | Provinces of Khovd, Uvs and Bayan-Ölgii — Asia/Hovd (HOVT) | UTC+07:00 | NO | |
| Most of the country — Asia/Ulaanbaatar (ULAT), Asia/Choibalsan, Asia/Ulan_Bator | UTC+08:00 | ||||
| MO | Macau SAR China | Asia/Macau (CST) | UTC+08:00 | NO | |
| MP | Northern Mariana Islands | Pacific/Saipan (ChST) | UTC+10:00 | NO | |
| MQ | Martinique | America/Martinique (AST) | UTC-04:00 | NO | |
| MR | Mauritania | Africa/Nouakchott (GMT) | UTC+00:00 | NO | |
| MS | Montserrat | America/Montserrat (AST) | UTC-04:00 | NO | |
| MT | Malta | Europe/Malta ( CET) | UTC+01:00 | YES | |
| MU | Mauritius | Indian/Mauritius (MUT) | UTC+04:00 | NO | |
| MV | Maldives | Indian/Maldives (MVT) | UTC+05:00 | NO | |
| MW | Malawi | Africa/Blantyre (CAT) | UTC+02:00 | NO | |
| MX | Mexico | Zona Noroeste (Northwest Zone), comprising the state of Baja California. | UTC-08:00 | YES | |
| Zona Pacífico (Pacific Zone), comprising the states of Baja California Sur, Nayarit (except the municipality of Bahía de Banderas), Sinaloa, Sonora, and northwest border municipalities of Chihuahua (Janos, Ascensión, Juárez, Guadalupe, and Práxedis Gilberto Guerrero) | UTC-07:00 | NO | |||
| Zona Centro (Central Zone), comprising all parts of Mexico not included in the other zones, including Mexico City, Guadalajara, and Monterrey | UTC-06:00 | YES | |||
| Zona Sureste (Southeast Zone), comprising the state of Quintana Roo | UTC-05:00 | NO | |||
| MY | Malaysia | Malaysia (peninsula) – Asia/Kuala_Lumpur (MALT), Sabah, Sarawak – Asia/Kuching (MYT) | UTC+08:00 | NO | |
| MZ | Mozambique | Africa/Maputo (CAT) | UTC+02:00 | NO | |
| NA | Namibia | Africa/Windhoek (CAT) | UTC+02:00 | NO | |
| NC | New Caledonia | Pacific/Noumea (NCT) | UTC+11:00 | NO | |
| NE | Niger | Africa/Niamey (WAT) | UTC+01:00 | NO | |
| NF | Norfolk Island | Pacific/Norfolk (NFT) | UTC+11:00 | NO | |
| NG | Nigeria | Africa/Lagos (WAT) | UTC+01:00 | YES | |
| NI | Nicaragua | America/Managua (CST) | UTC-06:00 | NO | |
| NL | Kingdom of the Netherlands | America/Kralendijk, Caribbean municipalities and constituent countries — (AST) | UTC-04:00 | NO | |
| Europe/Amsterdam, Main territory of the Netherlands — (CET) | UTC+01:00 | YES | |||
| NO | Norway | Europe/Oslo (CET) | UTC+01:00 | YES | |
| NP | Nepal | Asia/Kathmandu (NPT) | UTC+05:45 | NO | |
| NR | Nauru | Pacific/Nauru (NRT) | UTC+12:00 | NO | |
| NU | Niue | Pacific/Niue (NUT) | UTC-11:00 | NO | |
| NZ | New Zealand | Niue | UTC−11:00 | NO | |
| Cook Islands | UTC−10:00 | NO | |||
| Main territory of New Zealand | UTC+12:00 | YES | |||
| Chatham Islands | UTC+12:45 | YES | |||
| Tokelau | UTC+13:00 | NO | |||
| OM | Oman | Asia/Muscat (GST) | UTC+04:00 | NO | |
| PA | Panama | America/Panama (EST) | UTC-05:00 | NO | |
| PE | Peru | America/Lima (PET) | UTC-05:00 | NO | |
| PF | French Polynesia | Pacific/Gambier (GAMT), Pacific/Marquesas (MART), Pacific/Tahiti (TAHT) | UTC-10:00 | NO | |
| PG | Papua New Guinea | Pacific/Port_Moresby, Papua New Guinea (most areas), Chuuk, Yap, Dumont d'Urville | UTC+10:00 | NO | |
| Pacific/Bougainville. Autonomous Region of Bougainville (Bougainville Standard Time) | UTC+11:00 | ||||
| PH | Philippines | Asia/Manila (PHT) | UTC+08:00 | NO | |
| PK | Pakistan | Asia/Karachi (PKT) | UTC+05:00 | NO | |
| PL | Poland | Europe/Warsaw (CET) | UTC+01:00 | NO | |
| PM | Saint Pierre and Miquelon | America/Miquelon (PMST) | UTC-02:00 | YES | |
| PN | Pitcairn Islands | Pacific/Pitcairn (PST) | UTC-08:00 | NO | |
| PR | Puerto Rico | America/Puerto_Rico (AST) | UTC-04:00 | NO | |
| PS | Palestine | Asia/Gaza (PSST), Asia/Hebron (PSST) | UTC+02:00 | YES | |
| PT | Portugal | Atlantic/Azores (AZOT) | UTC-01:00 | YES | |
| Atlantic/Madeira (WEST), Europe/Lisbon (WEST) | UTC+00:00 | ||||
| PW | Palau | Pacific/Palau | UTC+09:00 | NO | |
| PY | Paraguay | America/Asuncion (PYT) | UTC-04:00 | NO | |
| QA | Qatar | Asia/Qatar (AST) | UTC+03:00 | NO | |
| RE | Réunion | Indian/Reunion (RET) | UTC+04:00 | NO | |
| RO | Romania | Europe/Bucharest (EET) | UTC+02:00 | YES | |
| RS | Serbia | Europe/Belgrade (CET) | UTC+01:00 | YES | |
| RU | Russia | (Kaliningrad Time) — Kaliningrad Oblast | UTC+02:00 | NO | |
| (Moscow Time) — Most of European Russia and all railroads throughout Russia | UTC+03:00 | ||||
| (Samara Time) — Astrakhan Oblast, Samara Oblast, Udmurtia, Ulyanovsk Oblast | UTC+04:00 | ||||
| (Yekaterinburg Time) — Bashkortostan, Chelyabinsk Oblast, Khanty–Mansi Autonomous Okrug, Kurgan Oblast, Orenburg Oblast, Perm Krai, Sverdlovsk Oblast, Tyumen Oblast and Yamalia | UTC+05:00 | ||||
| (Omsk Time) — Omsk Oblast | UTC+06:00 | ||||
| (Krasnoyarsk Time) — Altai Krai, Altai Republic, Khakassia, Krasnoyarsk Krai and Tuva | UTC+07:00 | ||||
| (Irkutsk Time) — Buryatia and Irkutsk Oblast | UTC+08:00 | ||||
| (Yakutsk Time) — Amur Oblast, western Sakha Republic, and Zabaykalsky Krai | UTC+09:00 | ||||
| (Vladivostok Time) — Jewish Autonomous Oblast, Khabarovsk Krai, Primorsky Krai, and the Oymyakonsky, Ust-Yansky and Verkhoyansky districts of the Sakha Republic | UTC+10:00 | ||||
| (Magadan Time) – Magadan Oblast, Sakhalin Oblast, and the Abyysky, Allaikhovsky, Momsky, Nizhnekolymsky, Srednekolymsky and Verkhnekolymsky districts of the Sakha Republic | UTC+11:00 | ||||
| (Kamchatka Time) — Chukotka and Kamchatka Krai | UTC+12:00 | ||||
| RW | Rwanda | Africa/Kigali (CAT) | UTC+02:00 | NO | |
| SA | Saudi Arabia | Asia/Riyadh (AST) | UTC+03:00 | NO | |
| SB | Solomon Islands | Pacific/Guadalcanal (SBT) | UTC+11:00 | NO | |
| SC | Seychelles | Indian/Mahe (SCT) | UTC+04:00 | NO | |
| SD | Sudan | Africa/Khartoum (CAT) | UTC+02:00 | NO | |
| SE | Sweden | Europe/Stockholm (CET) | UTC+01:00 | YES | |
| SG | Singapore | Asia/Singapore (SGT) | UTC+08:00 | NO | |
| SH | Saint Helena | Atlantic/St_Helena (GMT) | UTC+00:00 | NO | |
| SI | Slovenia | Europe/Ljubljana (CET) | UTC+01:00 | YES | |
| SJ | Svalbard and Jan Mayen | Arctic/Longyearbyen (CET) | UTC+01:00 | YES | |
| SK | Slovakia | Europe/Bratislava (CET) | UTC+01:00 | YES | |
| SL | Sierra Leone | Africa/Freetown (GMT) | UTC+00:00 | NO | |
| SM | San Marino | Europe/San_Marino (CET) | UTC+01:00 | YES | |
| SN | Senegal | Africa/Dakar (GMT) | UTC+00:00 | NO | |
| SO | Somalia | Africa/Mogadishu (EAT) | UTC+03:00 | NO | |
| SR | Suriname | America/Paramaribo (SRT) | UTC-03:00 | NO | |
| SS | South Sudan | Africa/Juba (CAT) | UTC+02:00 | NO | |
| ST | São Tomé and Príncipe | Africa/Sao_Tome (GMT) | UTC+00:00 | NO | |
| SV | El Salvador | America/El_Salvador (CST) | UTC+06:00 | NO | |
| SX | Sint Maarten | America/Lower_Princes (AST) | UTC-04:00 | NO | |
| SY | Syria | Asia/Damascus (EET) | UTC+03:00 | YES | |
| SZ | Eswatini (fmr. "Swaziland") | Africa/Mbabane (SAST) | UTC+02:00 | NO | |
| TC | Turks and Caicos Islands | America/Grand_Turk (EST) | UTC-05:00 | NO | |
| TD | Chad | Africa/Ndjamena (WAT) | UTC+01:00 | NO | |
| TF | French Southern Territories | Indian/Kerguelen (TFT) | UTC+05:00 | NO | |
| TG | Togo | Africa/Lome (GMT) | UTC+00:00 | NO | |
| TH | Thailand | Asia/Bangkok (ICT) | UTC+07:00 | NO | |
| TJ | Tajikistan | Asia/Dushanbe (TJT) | UTC+05:00 | NO | |
| TK | Tokelau | Pacific/Fakaofo (TKT) | UTC+13:00 | NO | |
| TL | Timor-Leste | Asia/Dili (TLT) | UTC+09:00 | NO | |
| TM | Turkmenistan | Asia/Ashgabat (TMT) | UTC+05:00 | NO | |
| TN | Tunisia | Africa/Tunis (CET) | UTC+01:00 | NO | |
| TO | Tonga | Pacific/Tongatapu (TOT) | UTC+13:00 | NO | |
| TR | Turkey | Europe/Istanbul (TRT) | UTC+03:00 | NO | |
| TT | Trinidad and Tobago | America/Port_of_Spain (AST) | UTC-04:00 | NO | |
| TV | Tuvalu | Pacific/Funafuti (TVT) | UTC+12:00 | NO | |
| TW | Taiwan | Asia/Taipei (CST) | UTC+08:00 | NO | |
| TZ | Tanzania | Africa/Dar_es_Salaam (EAT) | UTC+03:00 | NO | |
| UA | Ukraine | Europe/Kyiv (EET), Europe/Simferopol (MSK) | UTC+02:00 | YES | |
| UG | Uganda | Africa/Kampala (EAT) | UTC+03:00 | NO | |
| US | United States | American Samoa, Jarvis Island, Kingman Reef, Midway Atoll and Palmyra Atoll — (ST) | UTC-11:00 | NO | |
| Hawaii, most of the Aleutian Islands, and Johnston Atoll — (HT) | UTC-10:00 | NO | |||
| most of the state of Alaska — (AKT) | UTC-09:00 | YES | |||
| Pacific Time zone: the Pacific coast states, the Idaho Panhandle and most of Nevada and Oregon — (PT) | UTC-08:00 | YES | |||
| Mountain Time zone: most of Idaho, part of Oregon, and the Mountain states plus western parts of some adjacent states — (MT) | UTC-07:00 | YES | |||
| Central Time zone: a large area spanning from the Gulf Coast to the Great Lakes — (CT) | UTC-06:00 | YES | |||
| Eastern Time zone: roughly a triangle covering all the states from the Great Lakes down to Florida and east to the Atlantic coast — (ET) | UTC-05:00 | YES | |||
| Puerto Rico, the U.S. Virgin Islands — (AST) | UTC-04:00 | NO | |||
| Guam and the Northern Mariana Islands — (ChT) | UTC+10:00 | NO | |||
| Wake Island — (WAKT) | UTC+12:00 | NO | |||
| Baker Island and Howland Island — (AoE) | UTC-12:00 | NO | |||
| UY | Uruguay | America/Montevideo (UYT) | UTC-03:00 | NO | |
| UZ | Uzbekistan | Asia/Samarkand (UZT), Asia/Tashkent (UZT) | UTC+05:00 | NO | |
| VA | Vatican City | Europe/Vatican (CET) | UTC+01:00 | YES | |
| VC | Saint Vincent and the Grenadines | America/St_Vincent (AST) | UTC-04:00 | NO | |
| VE | Venezuela | America/Caracas (VET) | UTC-04:00 | NO | |
| VG | British Virgin Islands | America/Tortola (AST) | UTC-04:00 | NO | |
| VI | U.S. Virgin Islands | America/St_Thomas (AST) | UTC-04:00 | NO | |
| VN | Vietnam | Asia/Ho_Chi_Minh (ICT) | UTC+07:00 | NO | |
| VU | Vanuatu | Pacific/Efate (VUT) | UTC+11:00 | NO | |
| WF | Wallis and Futuna | Pacific/Wallis (WFT) | UTC+12:00 | NO | |
| WS | Samoa | Pacific/Apia (WST) | UTC+13:00 | NO | |
| XK | Kosovo | Europe/Pristina (CET) | UTC+01:00 | YES | |
| YE | Yemen | Asia/Aden (AST) | UTC+03:00 | NO | |
| YT | Mayotte | Indian/Mayotte (EAT) | UTC+03:00 | NO | |
| ZA | South Africa | (South African Standard Time) – Main territory of South Africa — (SAST) | UTC+02:00 | NO | |
| Prince Edward Islands | UTC+03:00 | ||||
| ZM | Zambia | Africa/Lusaka (CAT) | UTC+02:00 | NO | |
| ZW | Zimbabwe | Africa/Harare (CAT) | UTC+02:00 | NO |