Daylight Saving Time starts when clocks are set forward by one hour, according to certain rules.
Note: UK clock changes currently abide by EU rules
Western European Time (WET) United Kingdom Portugal Ireland
Central European Time (CET) Austria Belgium Croatia Czech Republic Germany Denmark Spain France Italy Luxembourg Malta The Netherlands Poland Hungary Slovakia Slovenia Sweden Norway (non-EU) Switzerland (non-EU)
Eastern European Time (EET) Cyprus Estonia Finland Greece Lithuania Bulgaria Romania Latvia Moldova (non-EU) Ukraine (non-EU)
Summer time and world time zones
Daylight Saving Time adds another time zone, and countries that use DST change time zones twice a year.
Clock changes in other parts of the world
- Paraguay goes back to Standard Time on 26 March 2023
- Mexico no longer observes Daylight Saving Time (DST), with the exception of places along the US border.
- Iran went back to Standard Time on 22 September. It will no longer use DST.
A lot of countries do not use Daylight Saving Time (DST)
With Iran, which has announced that once its clocks go back to Standard Time, it will no longer switch back to DST, the number of non-DST countries is one short of 130. This roughly represents two-thirds of the total number of the world's states.
Africa
- Algeria = GMT+1 hour
- Angola = GMT+1 hour
- Anguilla = GMT-4 hours
- Benin = GMT+1 hours
- Botswana = GMT+2 hours
- Brunei = GMT+8 hours
- Burkina Faso = GMT
- Burundi = GMT+2 hours
- Cameroon = GMT+1 hour
- Cape Verde Islands = GMT-1 hour
- Central African Republic = GMT+1 hour
- Chad = GMT+1 hour
- Comoros = GMT+3 hours
- Republic of the Congo = GMT+1 hour
- Democratic Republic of Congo = 2 time zones, see country page
- Cote d'Ivoire = GMT
- Djibouti = GMT+3 hours
- Eritrea = GMT+3 hours
- Ethiopia = GMT+2 hours
- Equatorial Guinea = GMT+1 hour
- Gabon = GMT+1
- Gambia = GMT
- Ghana = GMT
- Guinea = GMT+1 hour
- Guinea Bissau = GMT .
- Kenya = GMT+3 hours
- Kuwait = GMT+3 hours
- Lesotho = GMT+2 hours
- Liberia = GMT
- Libya = GMT+2 hours
- Madagascar = GMT+3 hours
- Malawi = GMT+2 hours
- Malaysia = GMT+8 hours
- Maldives = GMT+5 hours
- Mali = GMT
- Mauritania = GMT
- Mauritius = GMT+4 hours
- Mozambique = GMT+2 hours
- Niger = GMT+1 hour
- Nigeria = GMT+1 hour
- Rwanda = GMT+2 hours
- Seychelles = GMT+4 hours
- Sierra Leone = GMT
- Somalia = GMT+3 hours
- South Africa = GMT+2 hours
- Sudan = GMT+3 hours
- Eswatini = GMT+2 hours
- Tanzania = GMT+3 hours
- Uganda = GMT+3 hours
- Zambia = GMT+2 hours
- Zimbabwe = GMT+2 hours
- Argentina = GMT-3 hours
- Aruba = GMT-4 hours
- Belize = GMT-6 hours
- Bonaire - Local time is GMT-4 hours
- Bolivia = GMT-4 hours
- Brazil As Brazil is a multiple time-zone country, see country page for GMT offsets
- Colombia = GMT-5 hours
- Ecuador = GMT-5 hours
- El Salvador = GMT-6 hours
- Guatemala = GMT-6 hours
- Grenada = GMT-4 hours
- Guyana = GMT-4 hours
- Honduras = GMT-6 hours
- Nicaragua = GMT-6 hours
- Panama = GMT-5 hours
- Peru = GMT-5 hours
- Senegal = GMT
- Suriname = GMT-3 hours
- Venezuela = GMT-4 hours
- Azerbaijan - = GMT+4 hours
- Georgia = GMT+ 4 hours
- Iceland = GMT .
- Russia - See Russia Time Zones for GMT offsets in each time zone
- Andaman Islands - Local time is GMT+5:30 hours
- Bahrain = GMT+3 hours
- Bangladesh = GMT+6 hours
- Bhutan = GMT+6 hours
- Cambodia = GMT+7 hours
- China = GMT+8 hours
- Timor Leste = GMT+9 hours
- India = GMT+5:30 hours
- Indonesia = Local time ranges from GMT+7 for the western zone including Sumatra and Java through GMT+8 for the central zone to GMT+9 for the eastern zone.
- Japan = GMT+9 hours
- Kazakhstan = GMT+6 hours
- Kyrgyzstan = GMT+6 hours
- Kuwait = GMT+3 hours
- LAO Democratic People's Republic = GMT+7 hours
- Mongolia = GMT+8 hours
- Myanmar = GMT+6:30 hours.
- Nepal = GMT+5:45 hours.
- North Korea = GMT+9
- Oman = GMT+4 hours
- Pakistan = GMT+5 hours
- Philippines = GMT+8 hours
- Qatar = GMT+3 hours
- Saudi Arabia = GMT+3 hours
- Singapore = GMT+8 hours
- South Korea = GMT+9 hours
- Sri Lanka = GMT+6 hours
- Taiwan = GMT+8 hours
- Tajikistan = GMT+5 hours
- Thailand = GMT+7 hours
- Turkmenistan = GMT+5 hours
- United Arab Emirates = GMT+4 hours
- Uzbekistan = GMT+5 hours
- Vietnam = GMT+7 hours
- Yemen = GMT+3 hours
- Barbados = GMT-4 hours
- Caroline Islands = GMT+10 hours
- Cayman Islands = GMT-5 hours
- Costa Rica = GMT-6 hours
- Dominica = GMT-4 hours
- Dominican Republic = GMT-4 hours
- Jamaica = GMT-5 hours
- Puerto Rico = GMT-4 hours
- Trinidad & Tobago = GMT-4 hours
- British Virgin Islands = GMT-4 hours
- US Virgin Islands = GMT-4 hours
- St. Lucia = GMT-4 hours
- Christmas Island = GMT+7 hours
- Cook Islands = GMT-10 hours
- Midway Islands - Local time is GMT-11 hours
- Palau = GMT+9 hours
- Papua New Guinea = GMT+10 hours
- Samoa = GMT+13 hours
- Solomon Islands = GMT+11 hours
- Tonga = GMT+13 hours
- Antarctica = GMT
South America
Europe
Asia
North America / Central America
Pacific
Antarctica
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