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