| Sovereign state | No.of time zones | Time zone |
|---|---|---|
 Afghanistan |
1 | UTC+04:30 |
 Albania |
1 | UTC+01:00 (CET) |
 Algeria |
1 | UTC+01:00 (CET) |
 Andorra |
1 | UTC+01:00 (CET) |
 Angola |
1 | UTC+01:00 (WAT) |
 Antarctica |
9 | UTC−03:00 (ART) — Palmer Station, Rothera Station UTC±00:00 (GMT) — Troll Station UTC+03:00 (UTC+03:00) — Syowa Station UTC+05:00 — Mawson Station UTC+06:00 — Vostok Station UTC+07:00 (UTC+07:00) — Davis Station UTC+10:00 — Dumont-d'Urville Station UTC+11:00 — Casey Station, Macquarie Island UTC+12:00 — McMurdo Station |
 Antigua and Barbuda |
1 | UTC−04:00 (AST) |
 Argentina |
1 | UTC−03:00 (ART) |
 Armenia |
1 | UTC+04:00 |
 Australia |
9 | UTC+05:00 — Heard and McDonald Islands UTC+06:30 — Cocos (Keeling) Islands UTC+07:00 (CXT) — Christmas Island UTC+08:00 (AWST) — Western Australia, Indian Pacific railroad when travelling between Port Augusta, South Australia and Kalgoorlie, Western Australia) UTC+08:45 (CWT) – South Australia (Border Village), Western Australia (Caiguna, Eucla, Madura, Mundrabilla) UTC+09:30 (ACST) — South Australia, Northern Territory, New South Wales (Yancowinna County) UTC+10:00 (AEST) — Queensland, New South Wales, Australian Capital Territory, Victoria, Tasmania UTC+10:30 — Lord Howe Island UTC+11:00 (NFT) — Norfolk Island |
 Austria |
1 | UTC+01:00 (CET) |
 Azerbaijan |
1 | UTC+04:00 |
 Bahamas |
1 | UTC−05:00 (EST) |
 Bahrain |
1 | UTC+03:00 |
 Bangladesh |
1 | UTC+06:00 (BDT) |
 Barbados |
1 | UTC−04:00 |
 Belarus |
1 | UTC+03:00 (FET) |
 Belgium |
1 | UTC+01:00 (CET) |
 Belize |
1 | UTC−06:00 |
 Benin |
1 | UTC+01:00 (WAT) |
 Bhutan |
1 | UTC+06:00 (BTT) |
 Bolivia |
1 | UTC−04:00 |
 Bosnia and Herzegovina |
1 | UTC+01:00 (CET) |
 Botswana |
1 | UTC+02:00 (CAT) |
 Brazil |
4 | UTC−05:00 (Brasília time −2) — Acre and Southwestern Amazonas UTC−04:00 (Brasília time −1) — Most part of the Amazonas State, Mato Grosso, Mato Grosso do Sul, Rondônia, Roraima UTC−03:00 (Brasília time) — the Southeast Region, the South Region, the Northeast Region (except some islands), Goiás, Distrito Federal, Tocantins, Pará, Amapá UTC−02:00 (Brasília time +1) — few islands on the east coast of Brazil (Fernando de Noronha, Trindade and Martim Vaz, Rocas Atoll, Saint Peter and Saint Paul Archipelago) |
 Brunei |
1 | UTC+08:00 |
 Bulgaria |
1 | UTC+02:00 (EET) |
 Burkina Faso |
1 | UTC±00:00 |
 Burundi |
1 | UTC+02:00 (CAT) |
 Cambodia |
1 | UTC+07:00 |
 Cameroon |
1 | UTC+01:00 (WAT) |
 Canada |
6 | UTC−08:00 (PT) — larger western part of British Columbia, Tungsten and the associated Cantung Mine in Northwest Territories, Yukon UTC−07:00 (MT) — Alberta, some eastern parts of British Columbia, most of Northwest Territories, Nunavut (west of 102°W and all communities in the Kitikmeot Region), Lloydminster and surrounding area in Saskatchewan UTC−06:00 (CT) — Manitoba, Nunavut (between 85° West and 102°W except western Southampton Island), Ontario (Northwestern Ontario west of 90°W with some exceptions and Big Trout Lake area east of 90°W), Saskatchewan except Lloydminster UTC−05:00 (ET) — Nunavut east of 85°W and entire Southampton Island, Ontario east of 90°W (except Big Trout Lake area) plus several more western areas, Quebec (most of province) UTC−04:00 (AT) — Labrador (all but southeastern tip), New Brunswick, Nova Scotia, Prince Edward Island, eastern part of Quebec UTC−03:30 (NT) — Labrador (southeastern), Newfoundland |
 Cape Verde |
1 | UTC−01:00 (Cape Verde Time) |
 Central African Republic |
1 | UTC+01:00 (WAT) |
 Chad |
1 | UTC+01:00 (WAT) |
 Chile |
3 | UTC−06:00 — Easter Island UTC−04:00 — main territory UTC−03:00 — Magallanes and Chilean Antarctica |
 China |
2 | UTC+06:00 (Xinjiang Time) UTC+08:00 (Chinese Standard Time) |
 Colombia |
1 | UTC−05:00 |
 Comoros |
1 | UTC+03:00 (EAT) |
 Costa Rica |
1 | UTC−06:00 |
 Croatia |
1 | UTC+01:00 (CET) |
 Cuba |
1 | UTC−05:00 |
 Cyprus |
1 | UTC+02:00 (EET) |
 Czech Republic |
1 | UTC+01:00 (CET) (CRT) |
 Democratic Republic of the Congo |
2 | UTC+01:00 (WAT) — western part of the country UTC+02:00 (CAT) — eastern part of the country |
 Denmark |
5 | UTC−04:00 — Thule Air Base in Greenland UTC−03:00 — most of Greenland, including inhabited south coast and west coast UTC−01:00 — Ittoqqortoormiit and surrounding area in Greenland's Tunu county UTC±00:00 — Danmarkshavn weather station and surrounding area in Greenland's Tunu county, Faroe Islands UTC+01:00 (CET) — metropolitan Denmark |
 Djibouti |
1 | UTC+03:00 (EAT) |
 Dominica |
1 | UTC−04:00 |
 Dominican Republic |
1 | UTC−04:00 |
 East Timor |
1 | UTC+09:00 |
 Ecuador |
2 | UTC−06:00 (GALT) — Galápagos Province UTC−05:00 (Ecuador Time) — main territory of Ecuador |
 Egypt |
1 | UTC+02:00 (EET) |
 El Salvador |
1 | UTC−06:00 |
 Equatorial Guinea |
1 | UTC+01:00 (WAT) |
 Eritrea |
1 | UTC+03:00 (EAT) |
 Estonia |
1 | UTC+02:00 (EET) |
 Eswatini (Swaziland) |
1 | UTC+02:00 |
 Ethiopia |
1 | UTC+03:00 (EAT) |
 Federated States of Micronesia |
2 | UTC+10:00 — the states of Chuuk and Yap UTC+11:00 — the states of Kosrae and Pohnpei |
 Fiji |
1 | UTC+12:00 |
 Finland |
1 | UTC+02:00 (EET) |
 France |
12 | UTC−10:00 — most of French Polynesia UTC−09:30 — Marquesas Islands UTC−09:00 — Gambier Islands UTC−08:00 — Clipperton Island UTC−04:00 (AST) — Guadeloupe, Martinique, Saint Barthélemy, Saint Martin UTC−03:00 (PMST) — French Guiana, Saint Pierre and Miquelon UTC+01:00 (CET) — Metropolitan France UTC+03:00 — Mayotte UTC+04:00 — Réunion, Crozet Islands, Scattered Islands in the Indian Ocean UTC+05:00 — Kerguelen Islands, Îles Saint-Paul and Amsterdam UTC+11:00 — New Caledonia UTC+12:00 — Wallis and Futuna |
 Gabon |
1 | UTC+01:00 (WAT) |
 Gambia |
1 | UTC±00:00 |
 Georgia |
1 | UTC+04:00 |
 Germany |
1 | UTC+01:00 (CET) |
 Ghana |
1 | UTC±00:00 |
 Greece |
1 | UTC+02:00 (EET) |
 Grenada |
1 | UTC−04:00 |
 Guatemala |
1 | UTC−06:00 |
 Guinea |
1 | UTC±00:00 |
 Guinea-Bissau |
1 | UTC±00:00 |
 Guyana |
1 | UTC−04:00 |
 Haiti |
1 | UTC−05:00 |
 Honduras |
1 | UTC−06:00 |
 Hong Kong (China) |
1 | UTC+08:00 (HKT) |
 Hungary |
1 | UTC+01:00 (CET) |
 Iceland |
1 | UTC±00:00 |
 India |
1 | UTC+05:30 (IST) |
 Indonesia |
3 | UTC+07:00 (Western Indonesian Standard Time) — islands of Sumatra, Java, provinces of West Kalimantan and Central Kalimantan UTC+08:00 (Central Indonesian Standard Time) — islands of Sulawesi, Bali, provinces of East Nusa Tenggara, West Nusa Tenggara, East Kalimantan, North Kalimantan and South Kalimantan UTC+09:00 (Eastern Indonesian Standard Time) — provinces of Maluku, North Maluku, Papua and West Papua |
 Iran |
1 | UTC+03:30 (IRST) |
 Iraq |
1 | UTC+03:00 |
 Ireland |
1 | UTC±00:00 (WET) |
 Israel |
1 | UTC+02:00 (IST) |
 Italy |
1 | UTC+01:00 (CET) |
 Ivory Coast |
1 | UTC±00:00 |
 Jamaica |
1 | UTC−05:00 |
 Japan |
1 | UTC+09:00 (JST) |
 Jordan |
1 | UTC+02:00 |
 Kazakhstan |
2 | UTC+05:00 — western Kazakhstan UTC+06:00 — eastern Kazakhstan |
 Kenya |
1 | UTC+03:00 (EAT) |
 Kingdom of the Netherlands |
2 | UTC−04:00 (AST) — Caribbean municipalities and constituent countries UTC+01:00 (CET) — main territory of the Netherlands |
 Kiribati |
3 | UTC+12:00 — Gilbert Islands UTC+13:00 — Phoenix Islands UTC+14:00 — Line Islands |
 Korea, North |
1 | UTC+09:00 (Pyongyang Time) |
 Korea, South |
1 | UTC+09:00 (Korea Standard Time) |
 Kosovo |
1 | UTC+01:00 |
 Kuwait |
1 | UTC+03:00 (Arabia Standard Time) |
 Kyrgyzstan |
1 | UTC+06:00 |
 Laos |
1 | UTC+07:00 |
 Latvia |
1 | UTC+02:00 (EET) |
 Lebanon |
1 | UTC+02:00 (EET) |
 Lesotho |
1 | UTC+02:00 |
 Liberia |
1 | UTC±00:00 |
 Libya |
1 | UTC+02:00 (EET) |
 Liechtenstein |
1 | UTC+01:00 (CET) |
 Lithuania |
1 | UTC+02:00 (EET) |
 Luxembourg |
1 | UTC+01:00 (CET) |
 Macau (China) |
1 | UTC+08:00 (Macau Standard Time) |
 Madagascar |
1 | UTC+03:00 (EAT) |
 Malawi |
1 | UTC+02:00 (CAT) |
 Malaysia |
1 | UTC+08:00 (Malaysian Standard Time) |
 Maldives |
1 | UTC+05:00 |
 Mali |
1 | UTC±00:00 |
 Malta |
1 | UTC+01:00 (CET) |
 Marshall Islands |
1 | UTC+12:00 |
 Mauritania |
1 | UTC±00:00 |
 Mauritius |
1 | UTC+04:00 (Mauritius Time) |
 Mexico |
4 | UTC−08:00 (Zone 4 or Northwest Zone) — the state of Baja California UTC−07:00 (Zone 3 or Pacific Zone) — the states of Baja California Sur, Chihuahua, Nayarit, Sinaloa and Sonora UTC−06:00 (Zone 2 or Central Zone) — most of Mexico UTC−05:00 (Zone 1 or Southeast Zone) — the state of Quintana Roo |
 Moldova |
1 | UTC+02:00 (EET) |
 Monaco |
1 | UTC+01:00 (CET) |
 Mongolia |
2 | UTC+07:00 — the provinces of Khovd, Uvs and Bayan-Ölgii UTC+08:00 — most of the country |
 Montenegro |
1 | UTC+01:00 (CET) |
 Morocco |
1 | UTC+01:00 (CET)[5] |
 Mozambique |
1 | UTC+02:00 (CAT) |
 Myanmar |
1 | UTC+06:30 (MST) |
 Namibia |
1 | UTC+01:00 (WAT) |
 Nauru |
1 | UTC+12:00 |
 Nepal |
1 | UTC+05:45 (Nepal Time) |
 New Zealand |
5 | UTC−11:00 — Niue UTC−10:00 — Cook Islands UTC+12:00 — main territory of New Zealand UTC+12:45 — Chatham Islands UTC+13:00 — Tokelau |
 Nicaragua |
1 | UTC−06:00 |
 Niger |
1 | UTC+01:00 (WAT) |
 Nigeria |
1 | UTC+01:00 (WAT) |
 North Macedonia |
1 | UTC+01:00 (CET) |
 Norway |
1 | UTC+01:00 (CET) |
 Oman |
1 | UTC+04:00 |
 Pakistan |
1 | UTC+05:00 (PKT) |
 Palau |
1 | UTC+09:00 |
 Palestine |
1 | UTC+02:00 |
 Panama |
1 | UTC−05:00 |
 Papua New Guinea |
2 | UTC+10:00 — most of the country UTC+11:00 — Autonomous Region of Bougainville (Bougainville Standard Time) |
 Paraguay |
1 | UTC−04:00 |
 Peru |
1 | UTC−05:00 (PET) |
 Philippines |
1 | UTC+08:00 (PHT) |
 Poland |
1 | UTC+01:00 (CET) |
 Portugal |
2 | UTC−01:00 — Azores UTC±00:00 (WET) — Madeira and the main territory of Portugal |
 Qatar |
1 | UTC+03:00 (Arabia Standard Time) |
 Republic of the Congo |
1 | UTC+01:00 (WAT) |
 Romania |
1 | UTC+02:00 (EET) |
 Russia |
11 | UTC+02:00 (Kaliningrad Time) — Kaliningrad Oblast UTC+03:00 (Moscow Time) — Most of European Russia and all railroads throughout Russia UTC+04:00 (Samara Time) — Astrakhan Oblast, Samara Oblast, Saratov Oblast, Udmurtia, and Ulyanovsk Oblast UTC+05:00 (Yekaterinburg Time) — Bashkortostan, Chelyabinsk Oblast, Khanty–Mansia, Kurgan Oblast, Orenburg Oblast, Perm Krai, Sverdlovsk Oblast, Tyumen Oblast, and Yamalia UTC+06:00 (Omsk Time) — Omsk Oblast UTC+07:00 (Krasnoyarsk Time) — Altai Krai, Altai Republic, Kemerovo Oblast, Khakassia, Krasnoyarsk Krai, Novosibirsk Oblast, Tomsk Oblast, and Tuva UTC+08:00 (Irkutsk Time) — Buryatia and Irkutsk Oblast UTC+09:00 (Yakutsk Time) — Amur Oblast, western Sakha Republic, and Zabaykalsky Krai UTC+10:00 (Vladivostok Time) — Jewish Autonomous Oblast, Khabarovsk Krai, Primorsky Krai, and central Sakha Republic UTC+11:00 (Magadan Time) — Magadan Oblast, eastern Sakha, and Sakhalin Oblast UTC+12:00 (Kamchatka Time) — Chukotka and Kamchatka Krai |
 Rwanda |
1 | UTC+02:00 (CAT) |
 Saint Kitts and Nevis |
1 | UTC−04:00 |
 Saint Lucia |
1 | UTC−04:00 |
 Saint Vincent and the Grenadines |
1 | UTC−04:00 |
 Samoa |
1 | UTC+13:00 |
 San Marino |
1 | UTC+01:00 (CET) |
 São Tomé and Príncipe |
1 | UTC+00:00 |
 Saudi Arabia |
1 | UTC+03:00 (Arabia Standard Time) |
 Senegal |
1 | UTC±00:00 |
 Serbia |
1 | UTC+01:00 (CET) |
 Seychelles |
1 | UTC+04:00 (Seychelles Time) |
 Sierra Leone |
1 | UTC±00:00 |
 Singapore |
1 | UTC+08:00 (SST) |
 Slovakia |
1 | UTC+01:00 (CET) |
 Slovenia |
1 | UTC+01:00 (CET) |
 Solomon Islands |
1 | UTC+11:00 |
 Somalia |
1 | UTC+03:00 (EAT) |
 South Africa |
2 | UTC+02:00 (South African Standard Time) — main territory UTC+03:00 — Prince Edward Islands |
 South Sudan |
1 | UTC+03:00 (EAT) |
 Spain |
2 | UTC±00:00 (WET) — Canary Islands UTC+01:00 (CET) — main territory of Spain |
 Sri Lanka |
1 | UTC+05:30 (SLST) |
 Sudan |
1 | UTC+02:00 |
 Suriname |
1 | UTC−03:00 |
 Sweden |
1 | UTC+01:00 (CET) |
 Switzerland |
1 | UTC+01:00 (CET) |
 Syria |
1 | UTC+02:00 (EET) |
 Taiwan |
1 | UTC+08:00 |
 Tajikistan |
1 | UTC+05:00 |
 Tanzania |
1 | UTC+03:00 (EAT) |
 Thailand |
1 | UTC+07:00 (THA) |
 Togo |
1 | UTC±00:00 |
 Tonga |
1 | UTC+13:00 |
 Trinidad and Tobago |
1 | UTC−04:00 (AST) |
 Tunisia |
1 | UTC+01:00 (CET) |
 Turkey |
1 | UTC+03:00 (TRT) |
 Turkmenistan |
1 | UTC+05:00 |
 Tuvalu |
1 | UTC+12:00 |
 Uganda |
1 | UTC+03:00 (EAT) |
 Ukraine |
2 | UTC+02:00[1] (EET) — most of the country UTC+03:00 — part of Donetsk and Luhansk regions[2][3][4] |
 United Arab Emirates |
1 | UTC+04:00 |
 United Kingdom |
9 | UTC−08:00 — Pitcairn Islands UTC−05:00 — Cayman Islands, Turks and Caicos Islands UTC−04:00 (AST) — Anguilla, Bermuda, British Virgin Islands, Montserrat UTC−03:00 (FKST) — Falkland Islands UTC−02:00 — South Georgia and the South Sandwich Islands UTC±00:00 (GMT in winter/BST in summer) — main territory of the United Kingdom, Saint Helena, Ascension and Tristan da Cunha, Guernsey, Isle of Man, Jersey UTC+01:00 (CET) — Gibraltar UTC+02:00 (EET) — Akrotiri and Dhekelia UTC+06:00 — British Indian Ocean Territory |
 United States |
11 | UTC−12:00 (unofficial) — Baker Island and Howland Island UTC−11:00 (ST) — American Samoa, Jarvis Island, Kingman Reef, Midway Atoll and Palmyra Atoll UTC−10:00 (HT) — Hawaii, most of the Aleutian Islands, and Johnston Atoll UTC−09:00 (AKT) — most of the state of Alaska UTC−08:00 (PT) — Pacific Time zone: the Pacific coast states and Nevada UTC−07:00 (MT) — Mountain Time zone: the Mountain states plus western parts of some adjacent states UTC−06:00 (CT) — Central Time zone: a large area spanning from the Gulf Coast to the Great Lakes UTC−05:00 (ET) — Eastern Time zone: roughly a triangle covering all the states from the Great Lakes down to Florida and east to the Atlantic coast UTC−04:00 (AST) — Puerto Rico, the U.S. Virgin Islands UTC+10:00 (ChT) — Guam and the Northern Mariana Islands UTC+12:00 (unofficial) — Wake Island, McMurdo Station, and Amundsen–Scott South Pole Station |
 Uruguay |
1 | UTC−03:00 |
 Uzbekistan |
1 | UTC+05:00 (Uzbekistan Time) |
 Vanuatu |
1 | UTC+11:00 |
 Vatican City |
1 | UTC+01:00 (CET) |
 Venezuela |
1 | UTC−04:00 |
 Vietnam |
1 | UTC+07:00 (Indochina Time) |
 Yemen |
1 | UTC+03:00 |
 Zambia |
1 | UTC+02:00 (CAT) |
 Zimbabwe |
1 | UTC+02:00 (CAT) |
