| Country | No. of time zones | Time zone | Notes |
| France | 12 | UTC−10:00 – Society Islands, Tuamotus, Austral Islands
UTC−09:30 – Marquesas Islands
UTC−09:00 – Gambier Islands
UTC−08:00 – Clipperton Island
UTC−04:00 – Guadeloupe, Martinique, Saint Barthélemy, Saint Martin
UTC−03:00 — French Guiana, Saint Pierre and Miquelon
UTC+01:00 – Metropolitan France
UTC+03:00 – Mayotte, Scattered [Islands in the Indian Ocean]
UTC+04:00 – Réunion, Crozet Islands
UTC+05:00 – Kerguelen Islands, Saint Paul and Amsterdam Islands
UTC+11:00 – New Caledonia
UTC+12:00 – Wallis and Futuna | Time in France |
| Russia | 11 | UTC+02:00 – Kaliningrad Oblast
UTC+03:00 – Most of European Russia
UTC+04:00 – Astrakhan Oblast, Samara Oblast, Saratov Oblast, Udmurtia, and Ulyanovsk Oblast
UTC+05:00 – Bashkortostan, Chelyabinsk Oblast, Khanty–Mansia, Kurgan Oblast, Orenburg Oblast, Perm Krai, Sverdlovsk Oblast, Tyumen Oblast, and Yamalia
UTC+06:00 – Omsk Oblast
UTC+07:00 – Altai Krai, Altai Republic, Kemerovo Oblast, Khakassia, Krasnoyarsk Krai, Novosibirsk Oblast, Tomsk Oblast, and Tuva
UTC+08:00 – Buryatia and Irkutsk Oblast
UTC+09:00 – Amur Oblast, western Sakha Republic, and Zabaykalsky Krai
UTC+10:00 – Jewish Autonomous Oblast, Khabarovsk Krai, Primorsky Krai, and central Sakha Republic
UTC+11:00 – Magadan Oblast, eastern Sakha, and Sakhalin Oblast
UTC+12:00 – Chukotka and Kamchatka Krai
| Time in Russia |
| United States | 11 | UTC−12:00 – Baker Island and Howland Island
UTC−11:00 – American Samoa, Jarvis Island, Kingman Reef, Midway Atoll and Palmyra Atoll
UTC−10:00 – Hawaii, most of the Aleutian Islands, and Johnston Atoll
UTC−09:00 – Most of the state of Alaska
UTC−08:00 – Pacific Time zone: the Pacific coast states, the Idaho Panhandle and most of Nevada and Oregon
UTC−07:00 – Mountain Time zone: most of Idaho, part of Oregon, and the Mountain states plus western parts of some adjacent states
UTC−06:00 – Central Time zone: a large area spanning from the Gulf Coast to the Great Lakes
UTC−05:00 – 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 – Puerto Rico, the U.S. Virgin Islands
UTC+10:00 – Guam and the Northern Mariana Islands
UTC+12:00 – Wake Island | Time in the United States |
| Antarctica | 10 | UTC−03:00 – Palmer Station, Rothera Station
UTC+00:00 – Troll Station
UTC+03:00 – Syowa Station
UTC+05:00 – Mawson Station
UTC+06:00 – Vostok Station
UTC+07:00 – Davis Station
UTC+08:00 – Casey Station
UTC+10:00 – Dumont-d'Urville Station
UTC+11:00 – Casey Station
UTC+12:00 – McMurdo Station, Amundsen–Scott South Pole Station
| Time in Antarctica |
| Australia | 9 | UTC+05:00 – Heard and McDonald Islands
UTC+06:30 – Cocos (Keeling) Islands
UTC+07:00 – Christmas Island
UTC+08:00
UTC+08:45 – South Australia, Western Australia
UTC+09:30 – South Australia, Northern Territory, New South Wales
UTC+10:00 – Queensland, New South Wales, Australian Capital Territory, Victoria, Tasmania
UTC+10:30 – Lord Howe Island
UTC+11:00 – Norfolk Island | Time in Australia |
| United Kingdom | 9 | UTC−08:00 – Pitcairn Islands
UTC−05:00 – Cayman Islands, Turks and Caicos Islands
UTC−04:00 – Anguilla, Bermuda, British Virgin Islands, Montserrat
UTC−03:00 – Falkland Islands
UTC−02:00 – South Georgia and the South Sandwich Islands
UTC+00:00 – Main territory of the United Kingdom, Saint Helena, Ascension and Tristan da Cunha, Guernsey, Isle of Man, Jersey
UTC+01:00 – Gibraltar
UTC+02:00 – Akrotiri and Dhekelia
UTC+06:00 – British Indian Ocean Territory | Time in the United Kingdom |
| Canada | 6 | UTC−08:00 – Larger western part of British Columbia, Tungsten and the associated Cantung Mine in Northwest Territories
UTC−07:00 – Alberta, some eastern parts of British Columbia, most of Northwest Territories, Nunavut, Lloydminster surrounding area in Saskatchewan, and Yukon
UTC−06:00 — Manitoba, Nunavut, Ontario, Saskatchewan except Lloydminster
UTC−05:00 – Nunavut east of 85°W and entire Southampton Island, Ontario east of 90°W plus several more western areas, Quebec
UTC−04:00 – Labrador, New Brunswick, Nova Scotia, Prince Edward Island, eastern part of Quebec
UTC−03:30 – Labrador, Newfoundland | Time in Canada |
| Denmark | 5 | UTC−04:00 – Pituffik Space 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 – Main territory of Denmark | Time in Denmark |
| 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 | Time in New Zealand |
| Brazil | 4 | UTC−05:00 – Acre and Southwestern Amazonas
UTC−04:00 – Most part of the Amazonas State, Mato Grosso, Mato Grosso do Sul, Rondônia, Roraima
UTC−03:00 – The Southeast Region, the South Region, the Northeast Region, Goiás, Distrito Federal, Tocantins, Pará, Amapá
UTC−02:00 – Some islands on the east coast of Brazil | Time in Brazil |
| Mexico | 4 | UTC−08:00 – State of Baja California
UTC−07:00 – States of Baja California Sur, Chihuahua, Nayarit, Sinaloa and Sonora
UTC−06:00 – Most of Mexico
UTC−05:00 – State of Quintana Roo | Time in Mexico |
| Chile | 3 | UTC−06:00 – Easter Island
UTC−04:00 – Main territory of Chile
UTC−03:00 – Magallanes and Chilean Antarctica | Time in Chile |
| Indonesia | 3 | UTC+07:00 – Islands of Sumatra, Java, Madura, provinces of Bangka Belitung Islands, Riau Islands, West Kalimantan and Central Kalimantan
UTC+08:00 – Islands of Sulawesi, Bali, provinces of East Nusa Tenggara, West Nusa Tenggara, East Kalimantan, North Kalimantan and South Kalimantan
UTC+09:00 – Islands of Maluku Islands and Western New Guinea | Time in Indonesia |
| Kiribati | 3 | UTC+12:00 – Gilbert Islands
UTC+13:00 – Phoenix Islands
UTC+14:00 – Line Islands | Time in Kiribati |
| Democratic Republic of the Congo | 2 | UTC+01:00 – Provinces of Équateur, Kinshasa, Kongo Central, Kwango, Kwilu, Mai-Ndombe, Mongala, Nord-Ubangi, Sud-Ubangi and Tshuapa
UTC+02:00 – 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 | UTC−06:00 – Galápagos Province
UTC−05:00 – Main territory of Ecuador | Time in Ecuador |
| Federated States of Micronesia | 2 | UTC+10:00 – States of Chuuk and Yap
UTC+11:00 – States of Kosrae and Pohnpei | Time in the Federated States of Micronesia |
| Kingdom of the Netherlands | 2 | UTC−04:00 – Caribbean municipalities and constituent countries
UTC+01:00 – Main territory of the Netherlands | Time in the Netherlands |
| Mongolia | 2 | UTC+07:00 – Provinces of Khovd, Uvs and Bayan-Ölgii
UTC+08:00 – Most of the country | Time in Mongolia |
| Papua New Guinea | 2 | UTC+10:00 – Most of the country
UTC+11:00 – Autonomous Region of Bougainville | Time in Papua New Guinea |
| Portugal | 2 | UTC−01:00 – Azores
UTC+00:00 – Madeira and the Main territory of Portugal | Time in Portugal |
| South Africa | 2 | UTC+02:00 – Main territory of South Africa
UTC+03:00 – Prince Edward Islands | Time in South Africa |
| Spain | 2 | UTC+00:00 – Canary Islands
UTC+01:00 – Main territory of Spain | Time in Spain |
| Afghanistan | 1 | UTC+04:30 | Time in Afghanistan |
| Albania | 1 | UTC+01:00 | Time in Albania |
| Algeria | 1 | UTC+01:00 | Time in Algeria |
| Andorra | 1 | UTC+01:00 | Time in Andorra |
| Angola | 1 | UTC+01:00 | Time in Angola |
| Antigua and Barbuda | 1 | UTC−04:00 | |
| Argentina | 1 | UTC−03:00 | Time in Argentina |
| Armenia | 1 | UTC+04:00 | Time in Armenia |
| Austria | 1 | UTC+01:00 | Time in Austria |
| Azerbaijan | 1 | UTC+04:00 | Time in Azerbaijan |
| Bahamas | 1 | UTC−05:00 | Time in the Bahamas |
| Bahrain | 1 | UTC+03:00 | Time in Bahrain |
| Bangladesh | 1 | UTC+06:00 | Time in Bangladesh |
| Barbados | 1 | UTC−04:00 | Time in Barbados |
| Belarus | 1 | UTC+03:00 | Time in Belarus |
| Belgium | 1 | UTC+01:00 | Time in Belgium |
| Belize | 1 | UTC−06:00 | Time in Belize |
| Benin | 1 | UTC+01:00 | Time in Benin |
| Bhutan | 1 | UTC+06:00 | Time in Bhutan |
| Bolivia | 1 | UTC−04:00 | Time in Bolivia |
| Bosnia and Herzegovina | 1 | UTC+01:00 | Time in Bosnia and Herzegovina |
| Botswana | 1 | UTC+02:00 | Time in Botswana |
| Brunei | 1 | UTC+08:00 | Time in Brunei |
| Bulgaria | 1 | UTC+02:00 | Time in Bulgaria |
| Burkina Faso | 1 | UTC+00:00 | |
| Burundi | 1 | UTC+02:00 | Time in Burundi |
| Cambodia | 1 | UTC+07:00 | Time in Cambodia |
| Cameroon | 1 | UTC+01:00 | Time in Cameroon |
| Cape Verde | 1 | UTC−01:00 | Time in Cape Verde |
| Central African Republic | 1 | UTC+01:00 | |
| Chad | 1 | UTC+01:00 | |
| China | 1 | UTC+08:00 | Time in China |
| Colombia | 1 | UTC−05:00 | Time in Colombia |
| Comoros | 1 | UTC+03:00 | Time in Comoros |
| Republic of the Congo | 1 | UTC+01:00 | Time in the Republic of the Congo |
| Costa Rica | 1 | UTC−06:00 | Time in Costa Rica |
| Croatia | 1 | UTC+01:00 | Time in Croatia |
| Cuba | 1 | UTC−05:00 | Time in Cuba |
| Cyprus | 1 | UTC+02:00 | Time in Cyprus |
| Czech Republic | 1 | UTC+01:00 | Time in the Czech Republic |
| Djibouti | 1 | UTC+03:00 | Time in Djibouti |
| Dominica | 1 | UTC−04:00 | Time in Dominica |
| Dominican Republic | 1 | UTC−04:00 | Time in the Dominican Republic |
| East Timor | 1 | UTC+09:00 | Time in East Timor |
| Egypt | 1 | UTC+02:00 | Time in Egypt |
| El Salvador | 1 | UTC−06:00 | Time in El Salvador |
| Equatorial Guinea | 1 | UTC+01:00 | Time in Equatorial Guinea |
| Eritrea | 1 | UTC+03:00 | Time in Eritrea |
| Estonia | 1 | UTC+02:00 | Time in Estonia |
| Eswatini | 1 | UTC+02:00 | Time in Eswatini |
| Ethiopia | 1 | UTC+03:00 | Time in Ethiopia |
| Fiji | 1 | UTC+12:00 | Time in Fiji |
| Finland | 1 | UTC+02:00 | Time in Finland |
| Gabon | 1 | UTC+01:00 | Time in Gabon |
| Gambia | 1 | UTC+00:00 | Time in Gambia |
| Georgia | 1 | UTC+04:00 | Time in Georgia |
| Germany | 1 | UTC+01:00 | Time in Germany |
| Ghana | 1 | UTC+00:00 | Time in Ghana |
| Greece | 1 | UTC+02:00 | Time in Greece |
| Grenada | 1 | UTC−04:00 | Time in Grenada |
| Guatemala | 1 | UTC−06:00 | Time in Grenada |
| Guinea | 1 | UTC+00:00 | Time in Guinea |
| Guinea-Bissau | 1 | UTC+00:00 | Time in Guinea-Bissau |
| Guyana | 1 | UTC−04:00 | Time in Guyana |
| Haiti | 1 | UTC−05:00 | Time in Haiti |
| Honduras | 1 | UTC−06:00 | Time in Honduras |
| Hong Kong | 1 | UTC+08:00 | Time in Hong Kong |
| Hungary | 1 | UTC+01:00 | Time in Hungary |
| Iceland | 1 | UTC+00:00 | Time in Iceland |
| India | 1 | UTC+05:30 | Time in India |
| Iran | 1 | UTC+03:30 | Time in Iran |
| Iraq | 1 | UTC+03:00 | Time in Iraq |
| Ireland | 1 | UTC+00:00 | Time in Ireland |
| Israel | 1 | UTC+02:00 | Time in Israel |
| Italy | 1 | UTC+01:00 | Time in Italy |
| Ivory Coast | 1 | UTC+00:00 | Time in Ivory Coast |
| Jamaica | 1 | UTC−05:00 | Time in Jamaica |
| Japan | 1 | UTC+09:00 | Time in Japan |
| Jordan | 1 | UTC+03:00 | Time in Jordan |
| Kazakhstan | 1 | UTC+05:00 | Time in Kazakhstan |
| Kenya | 1 | UTC+03:00 | Time in Kenya |
| North Korea | 1 | UTC+09:00 | Time in North Korea |
| South Korea | 1 | UTC+09:00 | Time in South Korea |
| Kuwait | 1 | UTC+03:00 | Time in Kuwait |
| Kyrgyzstan | 1 | UTC+06:00 | Time in Kyrgyzstan |
| Laos | 1 | UTC+07:00 | Time in Laos |
| Latvia | 1 | UTC+02:00 | Time in Latvia |
| Lebanon | 1 | UTC+02:00 | Time in Lebanon |
| Lesotho | 1 | UTC+02:00 | Time in Lesotho |
| Liberia | 1 | UTC+00:00 | Time in Liberia |
| Libya | 1 | UTC+02:00 | |
| Liechtenstein | 1 | UTC+01:00 | Time in Liechtenstein |
| Lithuania | 1 | UTC+02:00 | Time in Lithuania |
| Luxembourg | 1 | UTC+01:00 | Time in Luxembourg |
| Macau | 1 | UTC+08:00 | Time in Macau |
| Madagascar | 1 | UTC+03:00 | Time in Madagascar |
| Malawi | 1 | UTC+02:00 | Time in Malawi |
| Malaysia | 1 | UTC+08:00 | Time in Malaysia |
| Maldives | 1 | UTC+05:00 | Time in the Maldives |
| Mali | 1 | UTC+00:00 | |
| Malta | 1 | UTC+01:00 | Time in Malta |
| Marshall Islands | 1 | UTC+12:00 | Time in the Marshall Islands |
| Mauritania | 1 | UTC+00:00 | Time in Mauritania |
| Mauritius | 1 | UTC+04:00 | Time in Mauritania |
| Moldova | 1 | UTC+02:00 | Time in Moldova |
| Monaco | 1 | UTC+01:00 | Time in Monaco |
| Montenegro | 1 | UTC+01:00 | Time in Montenegro |
| Morocco | 1 | UTC+01:00 | Time in Morocco |
| Mozambique | 1 | UTC+02:00 | Time in Mozambique |
| Myanmar | 1 | UTC+06:30 | Time in Myanmar |
| Namibia | 1 | UTC+02:00 | Time in Namibia |
| Nauru | 1 | UTC+12:00 | |
| Nepal | 1 | UTC+05:45 | Time in Nepal |
| Nicaragua | 1 | UTC−06:00 | Time in Nicaragua |
| Niger | 1 | UTC+01:00 | |
| Nigeria | 1 | UTC+01:00 | |
| North Macedonia | 1 | UTC+01:00 | Time in North Macedonia |
| Norway | 1 | UTC+01:00 | Time in Norway |
| Oman | 1 | UTC+04:00 | Time in Oman |
| Pakistan | 1 | UTC+05:00 | Time in Pakistan |
| Palau | 1 | UTC+09:00 | Time in Palau |
| Palestine | 1 | UTC+02:00 | Time in Palestine |
| Panama | 1 | UTC−05:00 | Time in Panama |
| Paraguay | 1 | UTC−03:00 | Time in Paraguay |
| Peru | 1 | UTC−05:00 | Time in Peru |
| Philippines | 1 | UTC+08:00 | Time in the Philippines |
| Poland | 1 | UTC+01:00 | Time in Poland |
| Qatar | 1 | UTC+03:00 | Time in Qatar |
| Romania | 1 | UTC+02:00 | Time in Romania |
| Rwanda | 1 | UTC+02:00 | Time in Rwanda |
| 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 | Time in Samoa |
| San Marino | 1 | UTC+01:00 | |
| São Tomé and Príncipe | 1 | UTC+00:00 | Time in São Tomé and Príncipe |
| Saudi Arabia | 1 | UTC+03:00 | Time in Saudi Arabia |
| Senegal | 1 | UTC+00:00 | Time in Senegal |
| Serbia | 1 | UTC+01:00 | Time in Serbia |
| Seychelles | 1 | UTC+04:00 | Time in Seychelles |
| Sierra Leone | 1 | UTC+00:00 | Time in Sierra Leone |
| Singapore | 1 | UTC+08:00 | Time in Singapore |
| Slovakia | 1 | UTC+01:00 | Time in Slovakia |
| Slovenia | 1 | UTC+01:00 | Time in Slovenia |
| Solomon Islands | 1 | UTC+11:00 | Time in Solomon Islands |
| Somalia | 1 | UTC+03:00 | |
| South Sudan | 1 | UTC+02:00 | Time in South Sudan |
| Sri Lanka | 1 | UTC+05:30 | Time in Sri Lanka |
| Sudan | 1 | UTC+02:00 | Time in Sudan |
| Suriname | 1 | UTC−03:00 | Time in Suriname |
| Sweden | 1 | UTC+01:00 | Time in Sweden |
| Switzerland | 1 | UTC+01:00 | Time in Switzerland |
| Syria | 1 | UTC+03:00 | Time in Syria |
| Taiwan | 1 | UTC+08:00 | Time in Taiwan |
| Tajikistan | 1 | UTC+05:00 | Time in Tajikistan |
| Tanzania | 1 | UTC+03:00 | Time in Tanzania |
| Thailand | 1 | UTC+07:00 | Time in Thailand |
| Togo | 1 | UTC+00:00 | Time in Togo |
| Tonga | 1 | UTC+13:00 | Time in Tonga |
| Trinidad and Tobago | 1 | UTC−04:00 | Time in Trinidad and Tobago |
| Tunisia | 1 | UTC+01:00 | Time in Tunisia |
| Turkey | 1 | UTC+03:00 | Time in Turkey |
| Turkmenistan | 1 | UTC+05:00 | Time in Turkmenistan |
| Tuvalu | 1 | UTC+12:00 | Time in Tuvalu |
| Uganda | 1 | UTC+03:00 | Time in Uganda |
| Ukraine | 1 | UTC+02:00 | Time in Ukraine |
| United Arab Emirates | 1 | UTC+04:00 | Time in the United Arab Emirates |
| Uruguay | 1 | UTC−03:00 | Time in Uruguay |
| Uzbekistan | 1 | UTC+05:00 | Time in Uzbekistan |
| Vanuatu | 1 | UTC+11:00 | Time in Vanuatu |
| Vatican City | 1 | UTC+01:00 | |
| Venezuela | 1 | UTC−04:00 | Time in Venezuela |
| Vietnam | 1 | UTC+07:00 | Time in Vietnam |
| Yemen | 1 | UTC+03:00 | Time in Yemen |
| Zambia | 1 | UTC+02:00 | Time in Zambia |
| Zimbabwe | 1 | UTC+02:00 | |