See The World Clock for list of current times around the world, and which places are observing DST at the moment (marked by * in The World Clock).
Daylight saving time is also called summer time or daylight savings time. When DST is not observed, it is called standard time, normal time or winter time.
This list displays a brief (but not complete) overview over which countries that observed DST during 2004.
Detailed information is available for the first half of 2004 and the second half of 2004.
| Country | Region/states | Example location | DST start date | DST end date |
|---|---|---|---|---|
| Afghanistan | All locations | Kabul | No DST in 2004 | |
| Albania | All locations | Tirane | Sunday, March 28 | Sunday, October 31 |
| Algeria | All locations | Algiers | No DST in 2004 | |
| American Samoa | All locations | Pago Pago | No DST in 2004 | |
| Andorra | All locations | Andorra La Vella | Sunday, March 28 | Sunday, October 31 |
| Angola | All locations | Luanda | No DST in 2004 | |
| Anguilla | All locations | The Valley | No DST in 2004 | |
| Antarctica | Most locations | Mawson | No DST in 2004 | |
| Some locations | South Pole | Sunday, October 3 | Sunday, March 21 | |
| Antigua and Barbuda | All locations | Saint John's | No DST in 2004 | |
| Argentina | All locations | Buenos Aires | No DST in 2004 | |
| Armenia | All locations | Yerevan | Sunday, March 28 | Sunday, October 31 |
| Aruba | All locations | Oranjestad | No DST in 2004 | |
| Australia | Most locations | Brisbane | No DST in 2004 | |
| South Australia, Australian Capital Territory, Victoria, New South Wales | Melbourne | Sunday, October 31 | Sunday, March 28 | |
| Tasmania | Hobart | Sunday, October 3 | Sunday, March 28 | |
| Lord Howe Island | Lord Howe Island | Sunday, October 31 | Sunday, March 28 | |
| Austria | All locations | Vienna | Sunday, March 28 | Sunday, October 31 |
| Azerbaijan | All locations | Baku | Sunday, March 28 | Sunday, October 31 |
| Bahamas | All locations | Nassau | Sunday, April 4 | Sunday, October 31 |
| Bahrain | All locations | Manama | No DST in 2004 | |
| Bangladesh | All locations | Dhaka | No DST in 2004 | |
| Barbados | All locations | Bridgetown | No DST in 2004 | |
| Belarus | All locations | Minsk | Sunday, March 28 | Sunday, October 31 |
| Belgium | All locations | Brussels | Sunday, March 28 | Sunday, October 31 |
| Belize | All locations | Belmopan | No DST in 2004 | |
| Benin | All locations | Porto Novo | No DST in 2004 | |
| Bermuda Islands | All locations | Hamilton | Sunday, April 4 | Sunday, October 31 |
| Bhutan | All locations | Thimphu | No DST in 2004 | |
| Bolivia | All locations | La Paz | No DST in 2004 | |
| Bosnia-Herzegovina | All locations | Sarajevo | Sunday, March 28 | Sunday, October 31 |
| Botswana | All locations | Gaborone | No DST in 2004 | |
| Brazil | Most locations | Rio de Janeiro | Tuesday, November 2 | Sunday, February 15 |
| Amazonas, Pernambuco, Bahia, Sergipe, Para, Paraíba, Ceará, Amapá, Alagoas, Rondônia, Rio Grande do Norte, Piauí, Maranhão, Acre, Roraima, Tocantins | Manaus | No DST in 2004 | ||
| Mato Grosso Do Sul, Mato Grosso | Campo Grande | Tuesday, November 2 | Does not end this year | |
| British Indian Ocean Territory | All locations | Diego Garcia | No DST in 2004 | |
| British Virgin Islands | All locations | Road Town | No DST in 2004 | |
| Brunei Darussalam | All locations | Bandar Seri Begawan | No DST in 2004 | |
| Bulgaria | All locations | Sofia | Sunday, March 28 | Sunday, October 31 |
| Burkina Faso | All locations | Ouagadougou | No DST in 2004 | |
| Burundi | All locations | Bujumbura | No DST in 2004 | |
| Cambodia | All locations | Phnom Penh | No DST in 2004 | |
| Cameroon | All locations | Yaoundé | No DST in 2004 | |
| Canada | Most locations | Montreal | Sunday, April 4 | Sunday, October 31 |
| much of Saskatchewan, small region of British Columbia, small region of Nunavut Territory, small region of Quebec | Regina | No DST in 2004 | ||
| Cape Verde | All locations | Praia | No DST in 2004 | |
| Cayman Islands | All locations | George Town | No DST in 2004 | |
| Central African Republic | All locations | Bangui | No DST in 2004 | |
| Chad | All locations | Ndjamena | No DST in 2004 | |
| Chile | Most locations | Santiago | Sunday, October 10 | Sunday, March 14 |
| Easter Island | Saturday, October 9 | Saturday, March 13 | ||
| China | All locations | Beijing | No DST in 2004 | |
| Cocos Islands and Keeling Islands | All locations | Bantam | No DST in 2004 | |
| Colombia | All locations | Bogota | No DST in 2004 | |
| Comoros | All locations | Moroni | No DST in 2004 | |
| Congo | All locations | Brazzaville | No DST in 2004 | |
| Cook Islands | All locations | Rarotonga | No DST in 2004 | |
| Costa Rica | All locations | San Jose | No DST in 2004 | |
| Cote d'Ivoire (Ivory Coast) | All locations | Yamoussoukro | No DST in 2004 | |
| Croatia | All locations | Zagreb | Sunday, March 28 | Sunday, October 31 |
| Cuba | All locations | Havana | Sunday, March 28 | Does not end this year |
| Cyprus | All locations | Nicosia | Sunday, March 28 | Sunday, October 31 |
| Czech Republic | All locations | Prague | Sunday, March 28 | Sunday, October 31 |
| Democratic Republic of the Congo | All locations | Kinshasa | No DST in 2004 | |
| Denmark | All locations | Copenhagen | Sunday, March 28 | Sunday, October 31 |
| Djibouti | All locations | Djibouti | No DST in 2004 | |
| Dominica | All locations | Roseau | No DST in 2004 | |
| Dominican Republic | All locations | Santo Domingo | No DST in 2004 | |
| Ecuador | All locations | Quito | No DST in 2004 | |
| Egypt | All locations | Cairo | Friday, April 30 | Friday, October 1 |
| El Salvador | All locations | San Salvador | No DST in 2004 | |
| Equatorial Guinea | All locations | Malabo | No DST in 2004 | |
| Eritrea | All locations | Asmara | No DST in 2004 | |
| Estonia | All locations | Tallinn | Sunday, March 28 | Sunday, October 31 |
| Ethiopia | All locations | Addis Ababa | No DST in 2004 | |
| Falkland Islands | All locations | Stanley | Sunday, September 5 | Sunday, April 18 |
| Faroe Islands | All locations | Tórshavn | Sunday, March 28 | Sunday, October 31 |
| Fiji | All locations | Suva | No DST in 2004 | |
| Finland | All locations | Helsinki | Sunday, March 28 | Sunday, October 31 |
| France | Most locations | Paris | Sunday, March 28 | Sunday, October 31 |
| Tahiti, New Caledonia, Marquesas Islands | Papeete | No DST in 2004 | ||
| French Guiana | All locations | Cayenne | No DST in 2004 | |
| French Polynesia | All locations | Gambier Islands | No DST in 2004 | |
| Gabon | All locations | Libreville | No DST in 2004 | |
| Gambia | All locations | Banjul | No DST in 2004 | |
| Gaza Strip | All locations | Gaza | Friday, April 16 | Friday, October 1 |
| Georgia | All locations | Tbilisi | Sunday, March 28 | Sunday, October 31 |
| Germany | All locations | Berlin | Sunday, March 28 | Sunday, October 31 |
| Ghana | All locations | Accra | No DST in 2004 | |
| Gibraltar | All locations | Gibraltar | Sunday, March 28 | Sunday, October 31 |
| Greece | All locations | Athens | Sunday, March 28 | Sunday, October 31 |
| Greenland | Most locations | Nuuk | Saturday, March 27 | Saturday, October 30 |
| Qaanaaq | Sunday, April 4 | Sunday, October 31 | ||
| Ittoqqortoormiit | Sunday, March 28 | Sunday, October 31 | ||
| Grenada | All locations | Saint George's | No DST in 2004 | |
| Guadeloupe | All locations | Basse-Terre | No DST in 2004 | |
| Guam | All locations | Guam | No DST in 2004 | |
| Guatemala | All locations | Guatemala | No DST in 2004 | |
| Guinea | All locations | Conakry | No DST in 2004 | |
| Guinea Bissau | All locations | Bissau | No DST in 2004 | |
| Guyana | All locations | Georgetown | No DST in 2004 | |
| Haiti | All locations | Port-au-Prince | No DST in 2004 | |
| Honduras | All locations | Tegucigalpa | No DST in 2004 | |
| Hong Kong | All locations | Hong Kong | No DST in 2004 | |
| Hungary | All locations | Budapest | Sunday, March 28 | Sunday, October 31 |
| Iceland | All locations | Reykjavik | No DST in 2004 | |
| India | All locations | New Delhi | No DST in 2004 | |
| Indonesia | All locations | Jakarta | No DST in 2004 | |
| Iran | All locations | Tehran | Sunday, March 21 | Tuesday, September 21 |
| Iraq | All locations | Baghdad | Thursday, April 1 | Friday, October 1 |
| Ireland | All locations | Dublin | Sunday, March 28 | Sunday, October 31 |
| Isle of Man | All locations | Douglas | Sunday, March 28 | Sunday, October 31 |
| Israel | All locations | Jerusalem | Wednesday, April 7 | Wednesday, September 22 |
| Italy | All locations | Rome | Sunday, March 28 | Sunday, October 31 |
| Jamaica | All locations | Kingston | No DST in 2004 | |
| Japan | All locations | Tokyo | No DST in 2004 | |
| Jordan | All locations | Amman | Friday, March 26 | Friday, October 15 |
| Kazakstan | All locations | Almaty | Sunday, March 28 | Sunday, October 31 |
| Kenya | All locations | Nairobi | No DST in 2004 | |
| Kerguelen Islands | All locations | Port-aux-Francais | No DST in 2004 | |
| Kiribati | All locations | Kiritimati | No DST in 2004 | |
| Kosovo | All locations | Pristina | Sunday, March 28 | Sunday, October 31 |
| Kuwait | All locations | Kuwait City | No DST in 2004 | |
| Kyrgyzstan | All locations | Bishkek | Sunday, March 28 | Sunday, October 31 |
| Laos | All locations | Vientiane | No DST in 2004 | |
| Latvia | All locations | Riga | Sunday, March 28 | Sunday, October 31 |
| Lebanon | All locations | Beirut | Sunday, March 28 | Sunday, October 31 |
| Lesotho | All locations | Maseru | No DST in 2004 | |
| Liberia | All locations | Monrovia | No DST in 2004 | |
| Libya | All locations | Tripoli | No DST in 2004 | |
| Liechtenstein | All locations | Vaduz | Sunday, March 28 | Sunday, October 31 |
| Lithuania | All locations | Vilnius | Sunday, March 28 | Sunday, October 31 |
| Luxembourg | All locations | Luxembourg | Sunday, March 28 | Sunday, October 31 |
| Macau | All locations | Macau | No DST in 2004 | |
| Macedonia | All locations | Skopje | Sunday, March 28 | Sunday, October 31 |
| Madagascar | All locations | Antananarivo | No DST in 2004 | |
| Malawi | All locations | Lilongwe | No DST in 2004 | |
| Malaysia | All locations | Kuala Lumpur | No DST in 2004 | |
| Maldives | All locations | Male | No DST in 2004 | |
| Mali | All locations | Bamako | No DST in 2004 | |
| Malta | All locations | Valletta | Sunday, March 28 | Sunday, October 31 |
| Marshall Islands | All locations | Majuro | No DST in 2004 | |
| Martinique | All locations | Fort-de-France | No DST in 2004 | |
| Mauritania | All locations | Nouakchott | No DST in 2004 | |
| Mauritius | All locations | Port Louis | No DST in 2004 | |
| Mayotte | All locations | Mamoutzou | No DST in 2004 | |
| Mexico | Most locations | Mexico City | Sunday, April 4 | Sunday, October 31 |
| Sonora | Hermosillo | No DST in 2004 | ||
| Micronesia | All locations | Palikir | No DST in 2004 | |
| Moldova | All locations | Chisinau | Sunday, March 28 | Sunday, October 31 |
| Monaco | All locations | Monaco | Sunday, March 28 | Sunday, October 31 |
| Mongolia | All locations | Ulaanbaatar | Saturday, March 27 | Saturday, September 25 |
| Montenegro | All locations | Podgorica | Sunday, March 28 | Sunday, October 31 |
| Montserrat | All locations | Brades | No DST in 2004 | |
| Morocco | All locations | Casablanca | No DST in 2004 | |
| Mozambique | All locations | Maputo | No DST in 2004 | |
| Myanmar | All locations | Yangon | No DST in 2004 | |
| Namibia | All locations | Windhoek | Sunday, September 5 | Sunday, April 4 |
| Nauru | All locations | Yaren | No DST in 2004 | |
| Nepal | All locations | Kathmandu | No DST in 2004 | |
| Netherlands | Most locations | Amsterdam | Sunday, March 28 | Sunday, October 31 |
| Saint Martin | Philipsburg | No DST in 2004 | ||
| Netherlands Antilles | All locations | Willemstad | No DST in 2004 | |
| New Zealand | All locations | Auckland | Sunday, October 3 | Sunday, March 21 |
| Nicaragua | All locations | Managua | No DST in 2004 | |
| Niger | All locations | Niamey | No DST in 2004 | |
| Nigeria | All locations | Lagos | No DST in 2004 | |
| Niue | All locations | Alofi | No DST in 2004 | |
| Norfolk Island | All locations | Kingston | No DST in 2004 | |
| North Korea | All locations | Pyongyang | No DST in 2004 | |
| Northern Mariana Islands | All locations | Saipan | No DST in 2004 | |
| Norway | All locations | Oslo | Sunday, March 28 | Sunday, October 31 |
| Oman | All locations | Muscat | No DST in 2004 | |
| Pakistan | All locations | Islamabad | No DST in 2004 | |
| Palau | All locations | Koror | No DST in 2004 | |
| Panama | All locations | Panama | No DST in 2004 | |
| Papua New Guinea | All locations | Port Moresby | No DST in 2004 | |
| Paraguay | All locations | Asuncion | Sunday, October 17 | Sunday, April 4 |
| Peru | All locations | Lima | No DST in 2004 | |
| Philippines | All locations | Manila | No DST in 2004 | |
| Pitcairn, Henderson, Ducie and Oeno Islands | All locations | Adamstown | No DST in 2004 | |
| Poland | All locations | Warsaw | Sunday, March 28 | Sunday, October 31 |
| Portugal | All locations | Lisbon | Sunday, March 28 | Sunday, October 31 |
| Puerto Rico | All locations | San Juan | No DST in 2004 | |
| Qatar | All locations | Doha | No DST in 2004 | |
| Reunion (French) | All locations | Saint-Denis | No DST in 2004 | |
| Romania | All locations | Bucharest | Sunday, March 28 | Sunday, October 31 |
| Russian Federation | All locations | Moscow | Sunday, March 28 | Sunday, October 31 |
| Rwanda | All locations | Kigali | No DST in 2004 | |
| Saint Helena | All locations | Jamestown | No DST in 2004 | |
| Saint Kitts and Nevis | All locations | Basseterre | No DST in 2004 | |
| Saint Lucia | All locations | Castries | No DST in 2004 | |
| Saint Pierre and Miquelon | All locations | Saint-Pierre | Sunday, April 4 | Sunday, October 31 |
| Saint Vincent and Grenadines | All locations | Kingstown | No DST in 2004 | |
| Samoa | All locations | Apia | No DST in 2004 | |
| San Marino | All locations | San Marino | Sunday, March 28 | Sunday, October 31 |
| Sao Tome and Principe | All locations | São Tomé | No DST in 2004 | |
| Saudi Arabia | All locations | Riyadh | No DST in 2004 | |
| Senegal | All locations | Dakar | No DST in 2004 | |
| Serbia | All locations | Belgrade | Sunday, March 28 | Sunday, October 31 |
| Seychelles | All locations | Victoria | No DST in 2004 | |
| Sierra Leone | All locations | Freetown | No DST in 2004 | |
| Singapore | All locations | Singapore | No DST in 2004 | |
| Slovak Republic | All locations | Bratislava | Sunday, March 28 | Sunday, October 31 |
| Slovenia | All locations | Ljubljana | Sunday, March 28 | Sunday, October 31 |
| Solomon Islands | All locations | Honiara | No DST in 2004 | |
| Somalia | All locations | Mogadishu | No DST in 2004 | |
| South Africa | All locations | Johannesburg | No DST in 2004 | |
| South Korea | All locations | Seoul | No DST in 2004 | |
| Spain | All locations | Madrid | Sunday, March 28 | Sunday, October 31 |
| Sri Lanka | All locations | Colombo | No DST in 2004 | |
| Sudan | All locations | Khartoum | No DST in 2004 | |
| Suriname | All locations | Paramaribo | No DST in 2004 | |
| Swaziland | All locations | Mbabane | No DST in 2004 | |
| Sweden | All locations | Stockholm | Sunday, March 28 | Sunday, October 31 |
| Switzerland | All locations | Geneva | Sunday, March 28 | Sunday, October 31 |
| Syria | All locations | Damascus | Thursday, April 1 | Friday, October 1 |
| Taiwan | All locations | Taipei | No DST in 2004 | |
| Tajikistan | All locations | Dushanbe | No DST in 2004 | |
| Tanzania | All locations | Dar es Salaam | No DST in 2004 | |
| Thailand | All locations | Bangkok | No DST in 2004 | |
| Timor-Leste | All locations | Dili | No DST in 2004 | |
| Togo | All locations | Lome | No DST in 2004 | |
| Tokelau | All locations | Fakaofo | No DST in 2004 | |
| Tonga | All locations | Nukualofa | No DST in 2004 | |
| Trinidad and Tobago | All locations | Port of Spain | No DST in 2004 | |
| Tunisia | All locations | Tunis | No DST in 2004 | |
| Turkey | All locations | Ankara | Sunday, March 28 | Sunday, October 31 |
| Turkmenistan | All locations | Ashgabat | No DST in 2004 | |
| Turks and Caicos Islands | All locations | Cockburn Town | Sunday, April 4 | Sunday, October 31 |
| Tuvalu | All locations | Funafuti | No DST in 2004 | |
| Uganda | All locations | Kampala | No DST in 2004 | |
| Ukraine | All locations | Kyiv | Sunday, March 28 | Sunday, October 31 |
| United Arab Emirates | All locations | Dubai | No DST in 2004 | |
| United Kingdom | All locations | London | Sunday, March 28 | Sunday, October 31 |
| United States | Most locations | Washington DC | Sunday, April 4 | Sunday, October 31 |
| Hawaii, much of Indiana, Arizona, Midway Islands | Honolulu | No DST in 2004 | ||
| United States Virgin Islands | All locations | Charlotte Amalie | No DST in 2004 | |
| Uruguay | All locations | Montevideo | Sunday, September 19 | Does not end this year |
| Uzbekistan | All locations | Tashkent | No DST in 2004 | |
| Vanuatu | All locations | Port Vila | No DST in 2004 | |
| Vatican City State | All locations | Vatican City | Sunday, March 28 | Sunday, October 31 |
| Venezuela | All locations | Caracas | No DST in 2004 | |
| Vietnam | All locations | Hanoi | No DST in 2004 | |
| Wallis and Futuna | All locations | Mata-Utu | No DST in 2004 | |
| West Bank | All locations | Bethlehem | Friday, April 16 | Friday, October 1 |
| Western Sahara | All locations | El Aaiún | No DST in 2004 | |
| Yemen | All locations | Aden | No DST in 2004 | |
| Zambia | All locations | Lusaka | No DST in 2004 | |
| Zimbabwe | All locations | Harare | No DST in 2004 | |
| Daylight Saving Time observance? | Count |
|---|---|
| Countries which do not observe DST at all | 156 |
| Countries where at least one location observe DST | 82 |
| –Countries where all locations observe DST some part of the year | 74 |
| –Countries where many, but not all locations observe DST | 8 |