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 2009.
Detailed information is available for the first half of 2009 and the second half of 2009.
| Country | Region/states | Example location | DST start date | DST end date |
|---|---|---|---|---|
| Afghanistan | All locations | Kabul | No DST in 2009 | |
| Albania | All locations | Tirane | Sunday, March 29 | Sunday, October 25 |
| Algeria | All locations | Algiers | No DST in 2009 | |
| American Samoa | All locations | Pago Pago | No DST in 2009 | |
| Andorra | All locations | Andorra La Vella | Sunday, March 29 | Sunday, October 25 |
| Angola | All locations | Luanda | No DST in 2009 | |
| Anguilla | All locations | The Valley | No DST in 2009 | |
| Antarctica | Most locations | Mawson | No DST in 2009 | |
| Some locations | South Pole | Sunday, September 27 | Sunday, April 5 | |
| Antigua and Barbuda | All locations | Saint John's | No DST in 2009 | |
| Argentina | Most locations | Buenos Aires | Does not start this year | Sunday, March 15 |
| Catamarca, Chubut, Jujuy, Mendoza, Santa Cruz, Salta, Tierra del Fuego, La Pampa, La Rioja, Rio Negro, San Juan, Neuquén | Mendoza | No DST in 2009 | ||
| San Luis | San Luis | Sunday, October 11 | Does not end this year | |
| Armenia | All locations | Yerevan | Sunday, March 29 | Sunday, October 25 |
| Aruba | All locations | Oranjestad | No DST in 2009 | |
| Australia | Most locations | Melbourne | Sunday, October 4 | Sunday, April 5 |
| Queensland, Northern Territory, Christmas Island | Brisbane | No DST in 2009 | ||
| Western Australia | Perth | Does not start this year | Sunday, March 29 | |
| Lord Howe Island | Lord Howe Island | Sunday, October 4 | Sunday, April 5 | |
| Austria | All locations | Vienna | Sunday, March 29 | Sunday, October 25 |
| Azerbaijan | All locations | Baku | Sunday, March 29 | Sunday, October 25 |
| Bahamas | All locations | Nassau | Sunday, March 8 | Sunday, November 1 |
| Bahrain | All locations | Manama | No DST in 2009 | |
| Bangladesh | All locations | Dhaka | Friday, June 19 | Friday, January 1 |
| Barbados | All locations | Bridgetown | No DST in 2009 | |
| Belarus | All locations | Minsk | Sunday, March 29 | Sunday, October 25 |
| Belgium | All locations | Brussels | Sunday, March 29 | Sunday, October 25 |
| Belize | All locations | Belmopan | No DST in 2009 | |
| Benin | All locations | Porto Novo | No DST in 2009 | |
| Bermuda Islands | All locations | Hamilton | Sunday, March 8 | Sunday, November 1 |
| Bhutan | All locations | Thimphu | No DST in 2009 | |
| Bolivia | All locations | La Paz | No DST in 2009 | |
| Bosnia-Herzegovina | All locations | Sarajevo | Sunday, March 29 | Sunday, October 25 |
| Botswana | All locations | Gaborone | No DST in 2009 | |
| Brazil | Most locations | Rio de Janeiro | Sunday, October 18 | 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 2009 | ||
| British Indian Ocean Territory | All locations | Diego Garcia | No DST in 2009 | |
| British Virgin Islands | All locations | Road Town | No DST in 2009 | |
| Brunei Darussalam | All locations | Bandar Seri Begawan | No DST in 2009 | |
| Bulgaria | All locations | Sofia | Sunday, March 29 | Sunday, October 25 |
| Burkina Faso | All locations | Ouagadougou | No DST in 2009 | |
| Burundi | All locations | Bujumbura | No DST in 2009 | |
| Cambodia | All locations | Phnom Penh | No DST in 2009 | |
| Cameroon | All locations | Yaoundé | No DST in 2009 | |
| Canada | Most locations | Montreal | Sunday, March 8 | Sunday, November 1 |
| much of Saskatchewan, small region of British Columbia, small region of Nunavut Territory, small region of Quebec | Regina | No DST in 2009 | ||
| Cape Verde | All locations | Praia | No DST in 2009 | |
| Cayman Islands | All locations | George Town | No DST in 2009 | |
| Central African Republic | All locations | Bangui | No DST in 2009 | |
| Chad | All locations | Ndjamena | No DST in 2009 | |
| Chile | Most locations | Santiago | Sunday, October 11 | Sunday, March 15 |
| Easter Island | Saturday, October 10 | Saturday, March 14 | ||
| China | All locations | Beijing | No DST in 2009 | |
| Cocos Islands and Keeling Islands | All locations | Bantam | No DST in 2009 | |
| Colombia | All locations | Bogota | No DST in 2009 | |
| Comoros | All locations | Moroni | No DST in 2009 | |
| Congo | All locations | Brazzaville | No DST in 2009 | |
| Cook Islands | All locations | Rarotonga | No DST in 2009 | |
| Costa Rica | All locations | San Jose | No DST in 2009 | |
| Cote d'Ivoire (Ivory Coast) | All locations | Yamoussoukro | No DST in 2009 | |
| Croatia | All locations | Zagreb | Sunday, March 29 | Sunday, October 25 |
| Cuba | All locations | Havana | Sunday, March 8 | Sunday, October 25 |
| Cyprus | All locations | Nicosia | Sunday, March 29 | Sunday, October 25 |
| Czech Republic | All locations | Prague | Sunday, March 29 | Sunday, October 25 |
| Democratic Republic of the Congo | All locations | Kinshasa | No DST in 2009 | |
| Denmark | All locations | Copenhagen | Sunday, March 29 | Sunday, October 25 |
| Djibouti | All locations | Djibouti | No DST in 2009 | |
| Dominica | All locations | Roseau | No DST in 2009 | |
| Dominican Republic | All locations | Santo Domingo | No DST in 2009 | |
| Ecuador | All locations | Quito | No DST in 2009 | |
| Egypt | All locations | Cairo | Friday, April 24 | Friday, August 21 |
| El Salvador | All locations | San Salvador | No DST in 2009 | |
| Equatorial Guinea | All locations | Malabo | No DST in 2009 | |
| Eritrea | All locations | Asmara | No DST in 2009 | |
| Estonia | All locations | Tallinn | Sunday, March 29 | Sunday, October 25 |
| Ethiopia | All locations | Addis Ababa | No DST in 2009 | |
| Falkland Islands | All locations | Stanley | Sunday, September 6 | Sunday, April 19 |
| Faroe Islands | All locations | Tórshavn | Sunday, March 29 | Sunday, October 25 |
| Fiji | All locations | Suva | Sunday, November 29 | Does not end this year |
| Finland | All locations | Helsinki | Sunday, March 29 | Sunday, October 25 |
| France | Most locations | Paris | Sunday, March 29 | Sunday, October 25 |
| Tahiti, New Caledonia, Marquesas Islands | Papeete | No DST in 2009 | ||
| French Guiana | All locations | Cayenne | No DST in 2009 | |
| French Polynesia | All locations | Gambier Islands | No DST in 2009 | |
| Gabon | All locations | Libreville | No DST in 2009 | |
| Gambia | All locations | Banjul | No DST in 2009 | |
| Gaza Strip | All locations | Gaza | Friday, March 27 | Friday, September 4 |
| Georgia | All locations | Tbilisi | No DST in 2009 | |
| Germany | All locations | Berlin | Sunday, March 29 | Sunday, October 25 |
| Ghana | All locations | Accra | No DST in 2009 | |
| Gibraltar | All locations | Gibraltar | Sunday, March 29 | Sunday, October 25 |
| Greece | All locations | Athens | Sunday, March 29 | Sunday, October 25 |
| Greenland | Most locations | Nuuk | Saturday, March 28 | Saturday, October 24 |
| Qaanaaq | Sunday, March 8 | Sunday, November 1 | ||
| Ittoqqortoormiit | Sunday, March 29 | Sunday, October 25 | ||
| Grenada | All locations | Saint George's | No DST in 2009 | |
| Guadeloupe | All locations | Basse-Terre | No DST in 2009 | |
| Guam | All locations | Guam | No DST in 2009 | |
| Guatemala | All locations | Guatemala | No DST in 2009 | |
| Guinea | All locations | Conakry | No DST in 2009 | |
| Guinea Bissau | All locations | Bissau | No DST in 2009 | |
| Guyana | All locations | Georgetown | No DST in 2009 | |
| Haiti | All locations | Port-au-Prince | No DST in 2009 | |
| Honduras | All locations | Tegucigalpa | No DST in 2009 | |
| Hong Kong | All locations | Hong Kong | No DST in 2009 | |
| Hungary | All locations | Budapest | Sunday, March 29 | Sunday, October 25 |
| Iceland | All locations | Reykjavik | No DST in 2009 | |
| India | All locations | New Delhi | No DST in 2009 | |
| Indonesia | All locations | Jakarta | No DST in 2009 | |
| Iran | All locations | Tehran | Sunday, March 22 | Tuesday, September 22 |
| Iraq | All locations | Baghdad | No DST in 2009 | |
| Ireland | All locations | Dublin | Sunday, March 29 | Sunday, October 25 |
| Isle of Man | All locations | Douglas | Sunday, March 29 | Sunday, October 25 |
| Israel | All locations | Jerusalem | Friday, March 27 | Sunday, September 27 |
| Italy | All locations | Rome | Sunday, March 29 | Sunday, October 25 |
| Jamaica | All locations | Kingston | No DST in 2009 | |
| Japan | All locations | Tokyo | No DST in 2009 | |
| Jordan | All locations | Amman | Friday, March 27 | Friday, October 30 |
| Kazakstan | All locations | Almaty | No DST in 2009 | |
| Kenya | All locations | Nairobi | No DST in 2009 | |
| Kerguelen Islands | All locations | Port-aux-Francais | No DST in 2009 | |
| Kiribati | All locations | Kiritimati | No DST in 2009 | |
| Kosovo | All locations | Pristina | Sunday, March 29 | Sunday, October 25 |
| Kuwait | All locations | Kuwait City | No DST in 2009 | |
| Kyrgyzstan | All locations | Bishkek | No DST in 2009 | |
| Laos | All locations | Vientiane | No DST in 2009 | |
| Latvia | All locations | Riga | Sunday, March 29 | Sunday, October 25 |
| Lebanon | All locations | Beirut | Sunday, March 29 | Sunday, October 25 |
| Lesotho | All locations | Maseru | No DST in 2009 | |
| Liberia | All locations | Monrovia | No DST in 2009 | |
| Libya | All locations | Tripoli | No DST in 2009 | |
| Liechtenstein | All locations | Vaduz | Sunday, March 29 | Sunday, October 25 |
| Lithuania | All locations | Vilnius | Sunday, March 29 | Sunday, October 25 |
| Luxembourg | All locations | Luxembourg | Sunday, March 29 | Sunday, October 25 |
| Macau | All locations | Macau | No DST in 2009 | |
| Macedonia | All locations | Skopje | Sunday, March 29 | Sunday, October 25 |
| Madagascar | All locations | Antananarivo | No DST in 2009 | |
| Malawi | All locations | Lilongwe | No DST in 2009 | |
| Malaysia | All locations | Kuala Lumpur | No DST in 2009 | |
| Maldives | All locations | Male | No DST in 2009 | |
| Mali | All locations | Bamako | No DST in 2009 | |
| Malta | All locations | Valletta | Sunday, March 29 | Sunday, October 25 |
| Marshall Islands | All locations | Majuro | No DST in 2009 | |
| Martinique | All locations | Fort-de-France | No DST in 2009 | |
| Mauritania | All locations | Nouakchott | No DST in 2009 | |
| Mauritius | All locations | Port Louis | Does not start this year | Sunday, March 29 |
| Mayotte | All locations | Mamoutzou | No DST in 2009 | |
| Mexico | Most locations | Mexico City | Sunday, April 5 | Sunday, October 25 |
| Sonora | Hermosillo | No DST in 2009 | ||
| Micronesia | All locations | Palikir | No DST in 2009 | |
| Moldova | All locations | Chisinau | Sunday, March 29 | Sunday, October 25 |
| Monaco | All locations | Monaco | Sunday, March 29 | Sunday, October 25 |
| Mongolia | All locations | Ulaanbaatar | No DST in 2009 | |
| Montenegro | All locations | Podgorica | Sunday, March 29 | Sunday, October 25 |
| Montserrat | All locations | Brades | No DST in 2009 | |
| Morocco | All locations | Casablanca | Monday, June 1 | Friday, August 21 |
| Mozambique | All locations | Maputo | No DST in 2009 | |
| Myanmar | All locations | Yangon | No DST in 2009 | |
| Namibia | All locations | Windhoek | Sunday, September 6 | Sunday, April 5 |
| Nauru | All locations | Yaren | No DST in 2009 | |
| Nepal | All locations | Kathmandu | No DST in 2009 | |
| Netherlands | Most locations | Amsterdam | Sunday, March 29 | Sunday, October 25 |
| Saint Martin | Philipsburg | No DST in 2009 | ||
| Netherlands Antilles | All locations | Willemstad | No DST in 2009 | |
| New Zealand | All locations | Auckland | Sunday, September 27 | Sunday, April 5 |
| Nicaragua | All locations | Managua | No DST in 2009 | |
| Niger | All locations | Niamey | No DST in 2009 | |
| Nigeria | All locations | Lagos | No DST in 2009 | |
| Niue | All locations | Alofi | No DST in 2009 | |
| Norfolk Island | All locations | Kingston | No DST in 2009 | |
| North Korea | All locations | Pyongyang | No DST in 2009 | |
| Northern Mariana Islands | All locations | Saipan | No DST in 2009 | |
| Norway | All locations | Oslo | Sunday, March 29 | Sunday, October 25 |
| Oman | All locations | Muscat | No DST in 2009 | |
| Pakistan | All locations | Islamabad | Wednesday, April 15 | Sunday, November 1 |
| Palau | All locations | Koror | No DST in 2009 | |
| Panama | All locations | Panama | No DST in 2009 | |
| Papua New Guinea | All locations | Port Moresby | No DST in 2009 | |
| Paraguay | All locations | Asuncion | Sunday, October 18 | Sunday, March 8 |
| Peru | All locations | Lima | No DST in 2009 | |
| Philippines | All locations | Manila | No DST in 2009 | |
| Pitcairn, Henderson, Ducie and Oeno Islands | All locations | Adamstown | No DST in 2009 | |
| Poland | All locations | Warsaw | Sunday, March 29 | Sunday, October 25 |
| Portugal | All locations | Lisbon | Sunday, March 29 | Sunday, October 25 |
| Puerto Rico | All locations | San Juan | No DST in 2009 | |
| Qatar | All locations | Doha | No DST in 2009 | |
| Reunion (French) | All locations | Saint-Denis | No DST in 2009 | |
| Romania | All locations | Bucharest | Sunday, March 29 | Sunday, October 25 |
| Russian Federation | All locations | Moscow | Sunday, March 29 | Sunday, October 25 |
| Rwanda | All locations | Kigali | No DST in 2009 | |
| Saint Helena | All locations | Jamestown | No DST in 2009 | |
| Saint Kitts and Nevis | All locations | Basseterre | No DST in 2009 | |
| Saint Lucia | All locations | Castries | No DST in 2009 | |
| Saint Pierre and Miquelon | All locations | Saint-Pierre | Sunday, March 8 | Sunday, November 1 |
| Saint Vincent and Grenadines | All locations | Kingstown | No DST in 2009 | |
| Samoa | All locations | Apia | No DST in 2009 | |
| San Marino | All locations | San Marino | Sunday, March 29 | Sunday, October 25 |
| Sao Tome and Principe | All locations | São Tomé | No DST in 2009 | |
| Saudi Arabia | All locations | Riyadh | No DST in 2009 | |
| Senegal | All locations | Dakar | No DST in 2009 | |
| Serbia | All locations | Belgrade | Sunday, March 29 | Sunday, October 25 |
| Seychelles | All locations | Victoria | No DST in 2009 | |
| Sierra Leone | All locations | Freetown | No DST in 2009 | |
| Singapore | All locations | Singapore | No DST in 2009 | |
| Slovak Republic | All locations | Bratislava | Sunday, March 29 | Sunday, October 25 |
| Slovenia | All locations | Ljubljana | Sunday, March 29 | Sunday, October 25 |
| Solomon Islands | All locations | Honiara | No DST in 2009 | |
| Somalia | All locations | Mogadishu | No DST in 2009 | |
| South Africa | All locations | Johannesburg | No DST in 2009 | |
| South Korea | All locations | Seoul | No DST in 2009 | |
| Spain | All locations | Madrid | Sunday, March 29 | Sunday, October 25 |
| Sri Lanka | All locations | Colombo | No DST in 2009 | |
| Sudan | All locations | Khartoum | No DST in 2009 | |
| Suriname | All locations | Paramaribo | No DST in 2009 | |
| Swaziland | All locations | Mbabane | No DST in 2009 | |
| Sweden | All locations | Stockholm | Sunday, March 29 | Sunday, October 25 |
| Switzerland | All locations | Geneva | Sunday, March 29 | Sunday, October 25 |
| Syria | All locations | Damascus | Friday, March 27 | Friday, October 30 |
| Taiwan | All locations | Taipei | No DST in 2009 | |
| Tajikistan | All locations | Dushanbe | No DST in 2009 | |
| Tanzania | All locations | Dar es Salaam | No DST in 2009 | |
| Thailand | All locations | Bangkok | No DST in 2009 | |
| Timor-Leste | All locations | Dili | No DST in 2009 | |
| Togo | All locations | Lome | No DST in 2009 | |
| Tokelau | All locations | Fakaofo | No DST in 2009 | |
| Tonga | All locations | Nukualofa | No DST in 2009 | |
| Trinidad and Tobago | All locations | Port of Spain | No DST in 2009 | |
| Tunisia | All locations | Tunis | No DST in 2009 | |
| Turkey | All locations | Ankara | Sunday, March 29 | Sunday, October 25 |
| Turkmenistan | All locations | Ashgabat | No DST in 2009 | |
| Turks and Caicos Islands | All locations | Cockburn Town | Sunday, March 8 | Sunday, November 1 |
| Tuvalu | All locations | Funafuti | No DST in 2009 | |
| Uganda | All locations | Kampala | No DST in 2009 | |
| Ukraine | All locations | Kyiv | Sunday, March 29 | Sunday, October 25 |
| United Arab Emirates | All locations | Dubai | No DST in 2009 | |
| United Kingdom | All locations | London | Sunday, March 29 | Sunday, October 25 |
| United States | Most locations | Washington DC | Sunday, March 8 | Sunday, November 1 |
| Hawaii, Arizona, Midway Islands | Honolulu | No DST in 2009 | ||
| United States Virgin Islands | All locations | Charlotte Amalie | No DST in 2009 | |
| Uruguay | All locations | Montevideo | Sunday, October 4 | Sunday, March 8 |
| Uzbekistan | All locations | Tashkent | No DST in 2009 | |
| Vanuatu | All locations | Port Vila | No DST in 2009 | |
| Vatican City State | All locations | Vatican City | Sunday, March 29 | Sunday, October 25 |
| Venezuela | All locations | Caracas | No DST in 2009 | |
| Vietnam | All locations | Hanoi | No DST in 2009 | |
| Wallis and Futuna | All locations | Mata-Utu | No DST in 2009 | |
| West Bank | All locations | Bethlehem | Friday, March 27 | Friday, September 4 |
| Western Sahara | All locations | El Aaiún | Monday, June 1 | Friday, August 21 |
| Yemen | All locations | Aden | No DST in 2009 | |
| Zambia | All locations | Lusaka | No DST in 2009 | |
| Zimbabwe | All locations | Harare | No DST in 2009 | |
| Daylight Saving Time observance? | Count |
|---|---|
| Countries which do not observe DST at all | 154 |
| Countries where at least one location observe DST | 84 |
| –Countries where all locations observe DST some part of the year | 75 |
| –Countries where many, but not all locations observe DST | 9 |