Daylight Saving Time–first half of 1991
More About Daylight Saving Time
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 and territories that observed DST during first half of 19911991.
Current country/territory names, rather than historic country names are displayed, so the list could contain countries that did not exist at the time.
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 1991 or the overview over start and end times for 1991 sorted by country.
| Local time change | |||||
|---|---|---|---|---|---|
| Time in UTC | Change from | direction | Change to | Country affected | Example locations |
| Jan 19 at 06:00:00 | Midnight Fri-Sat | forward to | Sat 1:00 AM | Costa Rica - Some locations | San Jose |
| Feb 17 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) Salvador(Bahia) Sao Paulo(São Paulo) |
| Feb 17 at 03:00:00 | Midnight Sat-Sun | back to | Sat 11:00 PM | Brazil - Some of locations observing DST | Barra do Garças(Mato Grosso) |
| Mar 1 at 02:00:00 | Midnight Thu-Fri | back to | Thu 10:00 PM | Argentina - Some locations | Comodoro Rivadavia(Chubut) |
| Mar 1 at 03:00:00 | Midnight Thu-Fri | back to | Thu 11:00 PM | Argentina - Some locations | Mendoza(Mendoza) |
| Mar 2 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) |
| Mar 2 at 16:00:00 | Sun 3:00 AM | back to | Sun 2:00 AM | Australia - Most of locations observing DST | Brisbane(Queensland) Cairns(Queensland) Canberra(Australian Capital Territory) Melbourne(Victoria) Sydney(New South Wales) |
| Mar 2 at 16:30:00 | Sun 3:00 AM | back to | Sun 2:00 AM | Australia - Some of locations observing DST | Adelaide(South Australia) |
| Mar 3 at 02:00:00 | Midnight Sat-Sun | back to | Sat 10:00 PM | Argentina - Most locations | Córdoba(Córdoba) |
| Mar 3 at 02:00:00 | Midnight Sat-Sun | back to | Sat 11:00 PM | Argentina - Some locations | Buenos Aires |
| Uruguay - All locations | Montevideo | ||||
| Mar 3 at 09:30:00 | Midnight Sat-Sun | back to | Sat 11:30 PM | Cook Islands - All locations | Rarotonga |
| Mar 10 at 03:00:00 | Sat 10:00 PM | back to | Sat 9:00 PM | Chile - Some locations | Easter Island |
| Mar 10 at 03:00:00 | Midnight Sat-Sun | back to | Sat 11:00 PM | Chile - Most locations | Punta Arenas Santiago |
| Mar 16 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 | ||||
| Mar 16 at 14:00:00 | Sun 3:45 AM | back to | Sun 2:45 AM | New Zealand - Some locations | Chatham Islands(Chatham Islands) |
| Mar 17 at 03:00:00 | Midnight Sat-Sun | back to | Sat 11:00 PM | Argentina - Some locations | Jujuy(Jujuy) |
| Mar 23 at 06:00:00 | Midnight Fri-Sat | forward to | Sat 1:00 AM | Guatemala - All locations | Guatemala |
| Mar 23 at 12:00:00 | Midnight Sat-Sun | back to | Sat 11:00 PM | Vanuatu - All locations | Port Vila |
| Mar 23 at 22:00:00 | Midnight Sat-Sun | forward to | Sun 1:00 AM | Gaza Strip - All locations | Gaza |
| Israel - All locations | Jerusalem Tel Aviv | ||||
| West Bank - All locations | Bethlehem | ||||
| Mar 30 at 14:00:00 | Sun 2:00 AM | no change | Sun 2:00 AM | Russia - Some of locations observing DST | Anadyr Petropavlovsk-Kamchatsky |
| Mar 30 at 15:00:00 | Midnight Sat-Sun | forward to | Sun 1:00 AM | Mongolia - Some locations | Choibalsan |
| Mar 30 at 15:00:00 | Sun 2:00 AM | no change | Sun 2:00 AM | Russia - Some of locations observing DST | Magadan Yuzhno-Sakhalinsk |
| Mar 30 at 16:00:00 | Midnight Sat-Sun | forward to | Sun 1:00 AM | Mongolia - Some locations | Ulaanbaatar |
| Mar 30 at 16:00:00 | Sun 2:00 AM | no change | Sun 2:00 AM | Russia - Some of locations observing DST | Komsomolsk-on-Amur Vladivostok |
| Mar 30 at 16:00:00 | Sun 3:00 AM | back to | Sun 2:00 AM | Australia - Some of locations observing DST | Hobart(Tasmania) |
| Mar 30 at 17:00:00 | Midnight Sat-Sun | forward to | Sun 1:00 AM | Mongolia - Some locations | Hovd |
| Mar 30 at 17:00:00 | Sun 2:00 AM | no change | Sun 2:00 AM | Russia - Some of locations observing DST | Yakutsk |
| Mar 30 at 18:00:00 | Sun 2:00 AM | no change | Sun 2:00 AM | Russia - Some of locations observing DST | Irkutsk |
| Mar 30 at 19:00:00 | Sun 2:00 AM | no change | Sun 2:00 AM | Russia - Some of locations observing DST | Krasnoyarsk Norilsk Novosibirsk |
| Mar 30 at 20:00:00 | Sun 2:00 AM | no change | Sun 2:00 AM | Kyrgyzstan - All locations | Bishkek |
| Russia - Some of locations observing DST | Omsk | ||||
| Tajikistan - All locations | Dushanbe | ||||
| Uzbekistan - Some locations | Tashkent | ||||
| Mar 30 at 21:00:00 | Sun 2:00 AM | no change | Sun 2:00 AM | Russia - Some of locations observing DST | Chelyabinsk Perm Ufa Yekaterinburg |
| Turkmenistan - All locations | Ashgabat | ||||
| Mar 30 at 21:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Uzbekistan - Most locations | Samarkand |
| Mar 30 at 22:00:00 | Midnight Sat-Sun | forward to | Sun 1:00 AM | Bulgaria - All locations | Sofia |
| Cyprus - All locations | Nicosia | ||||
| Romania - All locations | Bucharest | ||||
| Mar 30 at 22:00:00 | Sun 2:00 AM | no change | Sun 2:00 AM | Armenia - All locations | Yerevan |
| Azerbaijan - All locations | Baku | ||||
| Georgia - All locations | Tbilisi | ||||
| Mar 30 at 23:00:00 | Sun 1:00 AM | forward to | Sun 2:00 AM | Turkey - All locations | Ankara Istanbul |
| Mar 30 at 23:00:00 | Sun 2:00 AM | no change | Sun 2:00 AM | Belarus - All locations | Minsk |
| Lithuania - All locations | Vilnius | ||||
| Russia - Most of locations observing DST | Belushya Guba Kaliningrad Kazan Moscow Murmansk Novgorod Saint-Petersburg Samara | ||||
| Ukraine - Some of locations observing DST | Zaporizhia | ||||
| Mar 31 at 00:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Estonia - All locations | Tallinn |
| Latvia - All locations | Riga | ||||
| Moldova - All locations | Chisinau | ||||
| Mar 31 at 01:00:00 | Sat 10:00 PM | forward to | Sat 11:00 PM | Greenland - Most locations | Danmarkshavn Nuuk |
| Mar 31 at 01:00:00 | Midnight Sat-Sun | forward to | Sun 1:00 AM | Greenland - Some locations | Ittoqqortoormiit |
| Mar 31 at 01:00:00 | Sun 1:00 AM | forward to | Sun 2:00 AM | Färöer - 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 31 at 01:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Albania - All locations | Tirana |
| Andorra - All locations | Andorra La Vella | ||||
| Austria - All locations | Vienna | ||||
| Belgium - All locations | Brussels | ||||
| Bosnia and 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 | ||||
| Holy See (Vatican City) - All locations | Vatican City | ||||
| Hungary - All locations | Budapest | ||||
| Italy - All locations | Milan Rome | ||||
| Kosovo - All locations | Pristina | ||||
| Liechtenstein - All locations | Vaduz | ||||
| Luxembourg - All locations | Luxembourg | ||||
| Macedonia, Republic of - 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 | Hammerfest Longyearbyen(Svalbard) Oslo | ||||
| Poland - All locations | Warsaw | ||||
| San Marino - All locations | San Marino | ||||
| Serbia - All locations | Belgrade | ||||
| Slovakia - 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 | ||||
| Mar 31 at 01:00:00 | Sun 3:00 AM | forward to | Sun 4:00 AM | Finland - All locations | Helsinki Rovaniemi |
| Greece - All locations | Athens | ||||
| Mar 31 at 02:00:00 | Sun 1:00 AM | forward to | Sun 2:00 AM | Portugal - Some locations | Azores |
| Mar 31 at 06:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Greenland - Some locations | Qaanaaq |
| Mar 31 at 22:00:00 | Midnight Sun-Mon | forward to | Mon 1:00 AM | Syria - All locations | Damascus |
| Apr 1 at 00:00:00 | Mon 3:00 AM | forward to | Mon 4:00 AM | Iraq - All locations | Baghdad |
| Apr 1 at 03:00:00 | Midnight Sun-Mon | back to | Sun 11:00 PM | Paraguay - All locations | Asuncion |
| Apr 7 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) |
| Apr 7 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) |
| Apr 7 at 05:00:00 | Midnight Sat-Sun | forward to | Sun 1:00 AM | Cuba - All locations | Havana |
| Apr 7 at 05:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Territorial Collectivity of Saint Pierre and Miquelon - All locations | Saint-Pierre |
| Apr 7 at 06:00:00 | Sun 1:00 AM | forward to | Sun 2:00 AM | Haiti - All locations | Port-au-Prince |
| Apr 7 at 06:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Bermuda - All locations | Hamilton |
| Canada - Some of locations observing DST | Halifax(Nova Scotia) Saint John(New Brunswick) | ||||
| Apr 7 at 07:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Canada - Some of locations observing DST | Montreal(Quebec) Ottawa(Ontario) Pond Inlet(Nunavut Territory) Québec(Quebec) Toronto(Ontario) |
| The Bahamas - All locations | Nassau | ||||
| Turks and Caicos Islands - All locations | Cockburn Town | ||||
| United States - Some of locations observing DST | Atlanta(Georgia) Augusta(Maine) Baltimore(Maryland) Boston(Massachusetts) Charleston(West Virginia) Columbia(South Carolina) Columbus(Ohio) Concord(New Hampshire) Detroit(Michigan) Hartford(Connecticut) Louisville(Kentucky) Miami(Florida) Montpelier(Vermont) New York(New York) Philadelphia(Pennsylvania) Raleigh(North Carolina) Richmond(Virginia) Washington DC(District of Columbia) | ||||
| Apr 7 at 08:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Canada - Some of locations observing DST | Baker Lake(Nunavut Territory) Resolute(Nunavut Territory) 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) Kansas City(Missouri) Lincoln(Nebraska) Little Rock(Arkansas) Madison(Wisconsin) Milwaukee(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) | ||||
| Apr 7 at 09:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | Canada - Some of locations observing DST | Calgary(Alberta) Edmonton(Alberta) Inuvik(Northwest Territories) Yellowknife(Northwest Territories) |
| Mexico - Some of locations observing DST | Ciudad Juárez(Chihuahua) | ||||
| 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) | ||||
| Apr 7 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) Portland(Oregon) Sacramento(California) Salem(Oregon) San Diego(California) San Francisco(California) San Jose(California) Seattle(Washington) | ||||
| Apr 7 at 11:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | United States - Some of locations observing DST | Anchorage(Alaska) Fairbanks(Alaska) Unalaska(Alaska) |
| Apr 7 at 12:00:00 | Sun 2:00 AM | forward to | Sun 3:00 AM | United States - Some of locations observing DST | Adak(Alaska) |
| Apr 13 at 16:00:00 | Midnight Sat-Sun | forward to | Sun 1:00 AM | China - All locations | Beijing Chongqing Lhasa Shanghai Shenzhen Suzhou Ürümqi |
| Apr 16 at 22:00:00 | Midnight Tue-Wed | forward to | Wed 1:00 AM | Jordan - All locations | Amman |
| Apr 21 at 03:00:00 | Midnight Sat-Sun | back to | Sat 11:00 PM | Falkland Islands - All locations | Stanley |
| Apr 30 at 22:00:00 | Midnight Tue-Wed | forward to | Wed 1:00 AM | Lebanon - All locations | Beirut |
| Apr 30 at 23:00:00 | Wed 1:00 AM | forward to | Wed 2:00 AM | Egypt - All locations | Cairo |
| May 2 at 20:30:00 | Midnight Thu-Fri | forward to | Fri 1:00 AM | Iran - All locations | Tehran |
| Jul 1 at 05:00:00 | Midnight Sun-Mon | back to | Sun 11:00 PM | Costa Rica - Some locations | San Jose |
Daylight Saving Time for other years
| Yearly overview | January–June | July–December |
|---|---|---|
| 1989 | first half of 1989 | second half of 1989 |
| 1990 | first half of 1990 | second half of 1990 |
| 1991 | first half of 1991 | second half of 1991 |
| 1992 | first half of 1992 | second half of 1992 |
| 1993 | first half of 1993 | second half of 1993 |
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More about Daylight Saving Time
- Upcoming Daylight Saving Time Clock Changes
- Daylight Savings Time vs Daylight Saving Time
- Health Solutions to Swing to Daylight Saving Time
- The Never-ending Daylight Saving Debate
More information
Related links
- The World Clock – Current time all over the world
- Personal World Clock
- Meeting Planner
- Time Zone Converter
- Event Time Announcer/Fixed Time – Show local times worldwide for your event.
