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 plan to observe DST during first half of 2010. Note that the list might not be final - countries and states sometimes make adjustments that are announced just days or weeks ahead of the change.
This table is sorted by UTC time, in the order the changes occur.
Click on the example links for more details on the clock change.
Also see the page for second half of 2010 or another page which an overview over start and end times for 2010, sorted by country.
| Local time change | |||||
|---|---|---|---|---|---|
| Time in UTC | Change from | direction | Change to | Country affected | Example locations |
| Feb 21 at 02:00:00 | Midnight Sat-Sun | back to | Sat 11:00 PM | Brazil - Most of locations observing DST | Brasilia (Distrito Federal) Rio de Janeiro (Rio de Janeiro) Sao Paulo (São Paulo) |
| Feb 21 at 03:00:00 | Midnight Sat-Sun | back to | Sat 11:00 PM | Brazil - Some of locations observing DST | Campo Grande (Mato Grosso Do Sul) |
| Mar 14 at 03:00:00 | Sat 10:00 PM | back to | Sat 9:00 PM | Chile - Some locations | Easter Island |
| Mar 14 at 03:00:00 | Midnight Sat-Sun | back to | Sat 11:00 PM | Chile - Most locations | Santiago |
| Paraguay - All locations | Asuncion | ||||
| Mar 14 at 03:31:00 | Sun 12:01 AM | forward to | Sun 1:01 AM | Canada - Some of locations observing DST | St. John's (Newfoundland and Labrador) |
| Mar 14 at 04:00:00 | Sun 2:00 AM | back to | Sun 1:00 AM | Uruguay - All locations | Montevideo |
| Mar 14 at 04:01:00 | Sun 12:01 AM | forward to | Sun 1:01 AM | Canada - Some of locations observing DST | Happy Valley-Goose Bay (Newfoundland and Labrador) |
| Mar 14 at 05:00:00 | Midnight Sat-Sun | forward to | Sun 1:00 AM | Cuba - All locations | Havana |
| Mar 14 at 05:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Saint Pierre and Miquelon - All locations | Saint-Pierre |
| Mar 14 at 06:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Bermuda Islands - All locations | Hamilton |
| Canada - Some of locations observing DST | Halifax (Nova Scotia) | ||||
| Greenland - Some locations | Qaanaaq | ||||
| Mar 14 at 07:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Bahamas - All locations | Nassau |
| Canada - Some of locations observing DST | Montreal (Quebec) Ottawa (Ontario) Québec (Quebec) Toronto (Ontario) | ||||
| Turks and Caicos Islands - All locations | Cockburn Town | ||||
| United States - Some of locations observing DST | Atlanta (Georgia) Augusta (Maine) Baltimore (Maryland) Boston (Massachusetts) Columbia (South Carolina) Columbus (Ohio) Concord (New Hampshire) Detroit (Michigan) Hartford (Connecticut) Indianapolis (Indiana) Louisville (Kentucky) Miami (Florida) Montpelier (Vermont) New York (New York) Philadelphia (Pennsylvania) Raleigh (North Carolina) Richmond (Virginia) Washington DC (District of Columbia) | ||||
| Mar 14 at 08:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Canada - Some of locations observing DST | Winnipeg (Manitoba) |
| United States - Some of locations observing DST | Austin (Texas) Bismarck (North Dakota) Chicago (Illinois) Dallas (Texas) Des Moines (Iowa) Houston (Texas) Jackson (Mississippi) Lincoln (Nebraska) Little Rock (Arkansas) Madison (Wisconsin) Minneapolis (Minnesota) Montgomery (Alabama) Nashville (Tennessee) New Orleans (Louisiana) Oklahoma City (Oklahoma) Sioux Falls (South Dakota) St. Louis (Missouri) St. Paul (Minnesota) Topeka (Kansas) | ||||
| Mar 14 at 09:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Canada - Some of locations observing DST | Calgary (Alberta) Edmonton (Alberta) Yellowknife (Northwest Territories) |
| United States - Some of locations observing DST | Albuquerque (New Mexico) Billings (Montana) Boise (Idaho) Cheyenne (Wyoming) Denver (Colorado) Rapid City (South Dakota) Salt Lake City (Utah) | ||||
| Mar 14 at 10:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Canada - Some of locations observing DST | Vancouver (British Columbia) Whitehorse (Yukon Territory) |
| Mexico - Some of locations observing DST | Mexicali (Baja California) Tijuana (Baja California) | ||||
| United States - Some of locations observing DST | Las Vegas (Nevada) Los Angeles (California) Sacramento (California) Salem (Oregon) San Diego (California) San Francisco (California) San Jose (California) Seattle (Washington) | ||||
| Mar 14 at 11:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | United States - Some of locations observing DST | Anchorage (Alaska) |
| Mar 14 at 12:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | United States - Some of locations observing DST | Adak (Alaska) |
| Mar 21 at 20:30:00 | Midnight Sun-Mon | forward to | Mon 1:00 AM | Iran - All locations | Tehran |
| Mar 25 at 22:00:00 | Midnight Thu-Fri | forward to | Fri 1:00 AM | Gaza Strip - All locations | Gaza |
| Jordan - All locations | Amman | ||||
| Syria - All locations | Damascus | ||||
| West Bank - All locations | Bethlehem | ||||
| Mar 26 at 00:00:00 | Fri 2:00 AM | forward to | Fri 3:00 AM | Israel - All locations | Jerusalem Tel Aviv |
| Mar 27 at 14:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Russian Federation - Some locations | Anadyr Kamchatka |
| Mar 27 at 15:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Russian Federation - Some locations | Magadan |
| Mar 27 at 16:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Russian Federation - Some locations | Vladivostok |
| Mar 27 at 17:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Russian Federation - Some locations | Yakutsk |
| Mar 27 at 18:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Russian Federation - Some locations | Irkutsk |
| Mar 27 at 19:00:00 | Sun 2:00 AM | no change | Sun 2:00 AM | Russian Federation - Some locations | Kemerovo |
| Mar 27 at 19:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Russian Federation - Some locations | Krasnoyarsk |
| Mar 27 at 20:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Russian Federation - Some locations | Novosibirsk Omsk |
| Mar 27 at 21:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Russian Federation - Some locations | Chelyabinsk Perm Ufa Yekaterinburg |
| Mar 27 at 22:00:00 | Midnight Sat-Sun | forward to | Sun 1:00 AM | Lebanon - All locations | Beirut |
| Mar 27 at 22:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Armenia - All locations | Yerevan |
| Russian Federation - Some locations | Samara | ||||
| Mar 27 at 23:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Russian Federation - Some locations | Kazan Moscow Murmansk Novgorod Saint-Petersburg |
| Mar 28 at 00:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Belarus - All locations | Minsk |
| Russian Federation - Some locations | Kaliningrad | ||||
| Mar 28 at 00:00:00 | Sun 4:00 AM | forward to | Sun 5:00 AM | Azerbaijan - All locations | Baku |
| Mar 28 at 01:00:00 | Sat 10:00 PM | forward to | Sat 11:00 PM | Greenland - Some locations | Nuuk |
| Mar 28 at 01:00:00 | Midnight Sat-Sun | forward to | Sun 1:00 AM | Greenland - Some locations | Ittoqqortoormiit |
| Portugal - Some locations | Azores | ||||
| Mar 28 at 01:00:00 | Sun 1:00 AM | forward to | Sun 2:00 AM | Faroe Islands - All locations | Tórshavn (Faroe Islands) |
| Ireland - All locations | Dublin | ||||
| Isle of Man - All locations | Douglas | ||||
| Portugal - Most locations | Lisbon | ||||
| Spain - Some locations | Las Palmas (Canary Islands) | ||||
| United Kingdom - All locations | Belfast (Northern Ireland) Cardiff (Wales) Glasgow (Scotland) London (England) | ||||
| Mar 28 at 01:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Albania - All locations | Tirane |
| Andorra - All locations | Andorra La Vella | ||||
| Austria - All locations | Vienna | ||||
| Belgium - All locations | Brussels | ||||
| Bosnia-Herzegovina - All locations | Sarajevo | ||||
| Croatia - All locations | Zagreb | ||||
| Czech Republic - All locations | Prague | ||||
| Denmark - All locations | Copenhagen | ||||
| France - All of locations observing DST | Paris | ||||
| Germany - All locations | Berlin (Berlin) Frankfurt (Hesse) | ||||
| Gibraltar - All locations | Gibraltar | ||||
| Hungary - All locations | Budapest | ||||
| Italy - All locations | Rome | ||||
| Kosovo - All locations | Pristina | ||||
| Liechtenstein - All locations | Vaduz | ||||
| Luxembourg - All locations | Luxembourg | ||||
| Macedonia - All locations | Skopje | ||||
| Malta - All locations | Valletta | ||||
| Monaco - All locations | Monaco | ||||
| Montenegro - All locations | Podgorica | ||||
| Netherlands - All of locations observing DST | Amsterdam | ||||
| Norway - All locations | Oslo | ||||
| Poland - All locations | Warsaw | ||||
| San Marino - All locations | San Marino | ||||
| Serbia - All locations | Belgrade | ||||
| Slovak Republic - All locations | Bratislava | ||||
| Slovenia - All locations | Ljubljana | ||||
| Spain - Most locations | Barcelona (Barcelona) Madrid Palma (Majorca) | ||||
| Sweden - All locations | Stockholm | ||||
| Switzerland - All locations | Bern Geneva Zürich | ||||
| Vatican City State - All locations | Vatican City | ||||
| Mar 28 at 01:00:00 | Sun 3:00 AM | forward to | Sun 4:00 AM | Bulgaria - All locations | Sofia |
| Cyprus - All locations | Nicosia | ||||
| Estonia - All locations | Tallinn | ||||
| Finland - All locations | Helsinki | ||||
| Greece - All locations | Athens | ||||
| Latvia - All locations | Riga | ||||
| Lithuania - All locations | Vilnius | ||||
| Moldova - All locations | Chisinau | ||||
| Romania - All locations | Bucharest | ||||
| Turkey - All locations | Ankara Istanbul | ||||
| Ukraine - All locations | Kyiv Odesa | ||||
| Mar 31 at 17:00:00 | Wed 11:00 PM | forward to | Midnight Wed-Thu | Bangladesh - All locations | Dhaka |
| Apr 3 at 14:00:00 | Sun 3:00 AM | back to | Sun 2:00 AM | Antarctica - Some of locations observing DST | South Pole |
| New Zealand - Most locations | Auckland Wellington | ||||
| Apr 3 at 14:00:00 | Sun 3:45 AM | back to | Sun 2:45 AM | New Zealand - Some locations | Chatham Islands |
| Apr 3 at 15:00:00 | Sun 2:00 AM | back to | Sun 1:30 AM | Australia - Some of locations observing DST | Lord Howe Island (Lord Howe Island) |
| Apr 3 at 16:00:00 | Sun 3:00 AM | back to | Sun 2:00 AM | Australia - Some of locations observing DST | Canberra (Australian Capital Territory) Hobart (Tasmania) Melbourne (Victoria) Sydney (New South Wales) |
| Apr 3 at 16:30:00 | Sun 3:00 AM | back to | Sun 2:00 AM | Australia - Some of locations observing DST | Adelaide (South Australia) |
| Apr 4 at 00:00:00 | Sun 2:00 AM | back to | Sun 1:00 AM | Namibia - All locations | Windhoek |
| Apr 4 at 08:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Mexico - Most of locations observing DST | Acapulco (Guerrero) Aguascalientes (Aguascalientes) Guadalajara (Jalisco) Mexico City (Federal District) Veracruz (Veracruz) |
| Apr 4 at 09:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Mexico - Some of locations observing DST | Mazatlan (Sinaloa) |
| Apr 11 at 03:00:00 | Midnight Sat-Sun | back to | Sat 11:00 PM | Argentina - Some of locations observing DST | San Luis (San Luis) |
| Apr 14 at 19:00:00 | Midnight Wed-Thu | forward to | Thu 1:00 AM | Pakistan - All locations | Islamabad Karachi Lahore |
| Apr 18 at 05:00:00 | Sun 2:00 AM | back to | Sun 1:00 AM | Falkland Islands - All locations | Stanley |
| Apr 24 at 14:00:00 | Sun 3:00 AM | back to | Sun 2:00 AM | Fiji - All locations | Suva |
| Yearly overview | January–June | July–December |
|---|---|---|
| 2008 | first half of 2008 | second half of 2008 |
| 2009 | first half of 2009 | second half of 2009 |
| 2010 | first half of 2010 | second half of 2010 |
| 2011 | first half of 2011 | second half of 2011 |
| 2012 | first half of 2012 | second half of 2012 |