Western European Time
Encyclopedia
Western European Time defined legally as Greenwich Mean Time
in the United Kingdom
, is the time zone
covering parts of western and northwestern Europe, and includes the following countries and regions:
The nominal span of the time zone is 7.5°E to 7.5°W (0° ± 7.5°), but notably it does not include the Netherlands
, Belgium
, Luxembourg
, France
, Gibraltar
or Spain
which use Central European Time
(CET), even though these are mostly (France
) or completely (the rest) west of 7.5E°. Note also the inclusion of Iceland and eastern Greenland, even though both are west of 15W°
During winter
months, the countries above use WET (UK, GMT); however in the summer
, most (but not all) of the above places move one hour ahead to Western European Summer Time (UTC+1
), which additionally is known in the UK as British Summer Time
(BST) and in Ireland as Irish Standard Time.
, the Standard Time (Amendment) Act, 1971 legally establishes Greenwich Mean Time
(Western European Time) as a winter time period. Ireland reverts to Irish Standard Time during the summer months. This is the reverse of the practice of most countries in the EU, but provides the same end results.
, used in west central Africa, corresponds to Central European Time
, and that West Africa
uses both time zones).
The countries included are these:
Saint Helena, Ascension and Tristan da Cunha
(to UK) (Sahara)
, was used in:
In the United Kingdom in years 1940-45 British Summer Time
(BST=CET
) was used in winters and in years 1941-45 & 1947 British Double Summer Time (BDST=CEST
) was used in summers. Between 18 February 1968 and 31 October 1971 BST
was used all year round.
In Ireland in years 1940-46 Irish Summer Time (IST=CET
) was used all year (Ireland did not adopt similar time changes to British Double Summer Time (BDST=CEST
) in 1941-45, 1947). Between 18 February 1968 and 31 October 1971 Irish Standard Time was used all year round.
In Portugal, CET
was used in the periods 1966-1976 and 1992-1996.
Greenwich Mean Time
Greenwich Mean Time is a term originally referring to mean solar time at the Royal Observatory in Greenwich, London. It is arguably the same as Coordinated Universal Time and when this is viewed as a time zone the name Greenwich Mean Time is especially used by bodies connected with the United...
in the United Kingdom
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...
, is the time zone
Time zone
A time zone is a region on Earth that has a uniform standard time for legal, commercial, and social purposes. In order for the same clock time to always correspond to the same portion of the day as the Earth rotates , different places on the Earth need to have different clock times...
covering parts of western and northwestern Europe, and includes the following countries and regions:
- Canary IslandsCanary IslandsThe Canary Islands , also known as the Canaries , is a Spanish archipelago located just off the northwest coast of mainland Africa, 100 km west of the border between Morocco and the Western Sahara. The Canaries are a Spanish autonomous community and an outermost region of the European Union...
, since 1946 (rest of Spain is CETCentral European TimeCentral European Time , used in most parts of the European Union, is a standard time that is 1 hour ahead of Coordinated Universal Time . The time offset from UTC can be written as +01:00...
, i.e. UTC+1UTC+1UTC+01:00 is an identifier for a time offset from UTC of +01:00. In ISO 8601 the associated time would be written as .This time is used in:*Central European Time*West Africa Time*Western European Summer Time**British Summer Time**Irish Standard Time...
) - Faroe IslandsFaroe IslandsThe Faroe Islands are an island group situated between the Norwegian Sea and the North Atlantic Ocean, approximately halfway between Scotland and Iceland. The Faroe Islands are a self-governing territory within the Kingdom of Denmark, along with Denmark proper and Greenland...
, since 1908 - northeastern GreenlandGreenlandGreenland is an autonomous country within the Kingdom of Denmark, located between the Arctic and Atlantic Oceans, east of the Canadian Arctic Archipelago. Though physiographically a part of the continent of North America, Greenland has been politically and culturally associated with Europe for...
(DanmarkshavnDanmarkshavnDanmarkshavn is a small weather station located in the Northeast Greenland National Park, in Greenland. The permanent population of the base is 8. Danmarkshavn is also known as the northernmost location on the coast of Greenland Sea that non-icebreaking vessels can pass through...
and surrounding area) - IcelandIcelandIceland , described as the Republic of Iceland, is a Nordic and European island country in the North Atlantic Ocean, on the Mid-Atlantic Ridge. Iceland also refers to the main island of the country, which contains almost all the population and almost all the land area. The country has a population...
, since 1968 - PortugalPortugalPortugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...
, since 1911 with pauses (except AzoresAzoresThe Archipelago of the Azores is composed of nine volcanic islands situated in the middle of the North Atlantic Ocean, and is located about west from Lisbon and about east from the east coast of North America. The islands, and their economic exclusion zone, form the Autonomous Region of the...
, UTC-1UTC-1UTC−01 is an identifier for a time offset from UTC of −01. This time is used in:-As standard time :*Greenland**Eastern Greenland *Azores...
) - IrelandRepublic of IrelandIreland , described as the Republic of Ireland , is a sovereign state in Europe occupying approximately five-sixths of the island of the same name. Its capital is Dublin. Ireland, which had a population of 4.58 million in 2011, is a constitutional republic governed as a parliamentary democracy,...
, since 1922 - The United KingdomUnited KingdomThe United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...
(including EnglandEnglandEngland is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...
, Northern IrelandNorthern IrelandNorthern Ireland is one of the four countries of the United Kingdom. Situated in the north-east of the island of Ireland, it shares a border with the Republic of Ireland to the south and west...
, ScotlandScotlandScotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...
and WalesWalesWales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...
plus the Isle of ManIsle of ManThe Isle of Man , otherwise known simply as Mann , is a self-governing British Crown Dependency, located in the Irish Sea between the islands of Great Britain and Ireland, within the British Isles. The head of state is Queen Elizabeth II, who holds the title of Lord of Mann. The Lord of Mann is...
and the Channel IslandsChannel IslandsThe Channel Islands are an archipelago of British Crown Dependencies in the English Channel, off the French coast of Normandy. They include two separate bailiwicks: the Bailiwick of Guernsey and the Bailiwick of Jersey...
, where the term GMTGreenwich Mean TimeGreenwich Mean Time is a term originally referring to mean solar time at the Royal Observatory in Greenwich, London. It is arguably the same as Coordinated Universal Time and when this is viewed as a time zone the name Greenwich Mean Time is especially used by bodies connected with the United...
is legally used), since 1847 in England, Scotland and Wales, since 1922 in Northern Ireland with pauses
The nominal span of the time zone is 7.5°E to 7.5°W (0° ± 7.5°), but notably it does not include the Netherlands
Netherlands
The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...
, Belgium
Belgium
Belgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...
, Luxembourg
Luxembourg
Luxembourg , officially the Grand Duchy of Luxembourg , is a landlocked country in western Europe, bordered by Belgium, France, and Germany. It has two principal regions: the Oesling in the North as part of the Ardennes massif, and the Gutland in the south...
, France
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...
, Gibraltar
Gibraltar
Gibraltar is a British overseas territory located on the southern end of the Iberian Peninsula at the entrance of the Mediterranean. A peninsula with an area of , it has a northern border with Andalusia, Spain. The Rock of Gibraltar is the major landmark of the region...
or Spain
Spain
Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...
which use Central European Time
Central European Time
Central European Time , used in most parts of the European Union, is a standard time that is 1 hour ahead of Coordinated Universal Time . The time offset from UTC can be written as +01:00...
(CET), even though these are mostly (France
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...
) or completely (the rest) west of 7.5E°. Note also the inclusion of Iceland and eastern Greenland, even though both are west of 15W°
During winter
Winter
Winter is the coldest season of the year in temperate climates, between autumn and spring. At the winter solstice, the days are shortest and the nights are longest, with days lengthening as the season progresses after the solstice.-Meteorology:...
months, the countries above use WET (UK, GMT); however in the summer
Summer
Summer is the warmest of the four temperate seasons, between spring and autumn. At the summer solstice, the days are longest and the nights are shortest, with day-length decreasing as the season progresses after the solstice...
, most (but not all) of the above places move one hour ahead to Western European Summer Time (UTC+1
UTC+1
UTC+01:00 is an identifier for a time offset from UTC of +01:00. In ISO 8601 the associated time would be written as .This time is used in:*Central European Time*West Africa Time*Western European Summer Time**British Summer Time**Irish Standard Time...
), which additionally is known in the UK as British Summer Time
British Summer Time
Western European Summer Time is a summer daylight saving time scheme, 1 hour ahead of Coordinated Universal Time. It is used in the following places:* the Canary Islands* Portugal * Ireland...
(BST) and in Ireland as Irish Standard Time.
Irish Winter Time
In IrelandRepublic of Ireland
Ireland , described as the Republic of Ireland , is a sovereign state in Europe occupying approximately five-sixths of the island of the same name. Its capital is Dublin. Ireland, which had a population of 4.58 million in 2011, is a constitutional republic governed as a parliamentary democracy,...
, the Standard Time (Amendment) Act, 1971 legally establishes Greenwich Mean Time
Greenwich Mean Time
Greenwich Mean Time is a term originally referring to mean solar time at the Royal Observatory in Greenwich, London. It is arguably the same as Coordinated Universal Time and when this is viewed as a time zone the name Greenwich Mean Time is especially used by bodies connected with the United...
(Western European Time) as a winter time period. Ireland reverts to Irish Standard Time during the summer months. This is the reverse of the practice of most countries in the EU, but provides the same end results.
Time zones of Africa
UTC+0 is used in the far west of Africa, where it is known in the former British colonies as GMT. The states here do not use daylight saving. (Note that West Africa TimeWest Africa Time
West Africa Time, or WAT, is a time zone used in west-central Africa . The zone is one hour ahead of UTC , which makes it the same as Central European Time...
, used in west central Africa, corresponds to Central European Time
Central European Time
Central European Time , used in most parts of the European Union, is a standard time that is 1 hour ahead of Coordinated Universal Time . The time offset from UTC can be written as +01:00...
, and that West Africa
West Africa
West Africa or Western Africa is the westernmost region of the African continent. Geopolitically, the UN definition of Western Africa includes the following 16 countries and an area of approximately 5 million square km:-Flags of West Africa:...
uses both time zones).
The countries included are these:
Saint Helena, Ascension and Tristan da Cunha
Saint Helena, Ascension and Tristan da Cunha
Saint Helena, Ascension and Tristan da Cunha is a British overseas territory and overseas territory of the European Union consisting of the islands of Saint Helena, Ascension Island and the Tristan da Cunha group...
(to UK) (Sahara)
Historical uses
A slight variation of this time zone, based until 1911 on the Paris MeridianParis Meridian
The Paris Meridian is a meridian line running through the Paris Observatory in Paris, France—now longitude 2°20′14.025″ east. It was a long-standing rival to Greenwich as the prime meridian of the world, as was the Meridian of Antwerp in Antwerp, Belgium....
, was used in:
- AndorraAndorraAndorra , officially the Principality of Andorra , also called the Principality of the Valleys of Andorra, , is a small landlocked country in southwestern Europe, located in the eastern Pyrenees mountains and bordered by Spain and France. It is the sixth smallest nation in Europe having an area of...
in years 1901-46 - BelgiumBelgiumBelgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...
in years 1892-1914 and 1919-1940 - FranceFranceThe French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...
in years 1911-40 and 1944-45 - GibraltarGibraltarGibraltar is a British overseas territory located on the southern end of the Iberian Peninsula at the entrance of the Mediterranean. A peninsula with an area of , it has a northern border with Andalusia, Spain. The Rock of Gibraltar is the major landmark of the region...
in years 1880-1957 - LuxembourgLuxembourgLuxembourg , officially the Grand Duchy of Luxembourg , is a landlocked country in western Europe, bordered by Belgium, France, and Germany. It has two principal regions: the Oesling in the North as part of the Ardennes massif, and the Gutland in the south...
in years 1918-40 - MonacoMonacoMonaco , officially the Principality of Monaco , is a sovereign city state on the French Riviera. It is bordered on three sides by its neighbour, France, and its centre is about from Italy. Its area is with a population of 35,986 as of 2011 and is the most densely populated country in the...
in years 1911-45
In the United Kingdom in years 1940-45 British Summer Time
British Summer Time
Western European Summer Time is a summer daylight saving time scheme, 1 hour ahead of Coordinated Universal Time. It is used in the following places:* the Canary Islands* Portugal * Ireland...
(BST=CET
Central European Time
Central European Time , used in most parts of the European Union, is a standard time that is 1 hour ahead of Coordinated Universal Time . The time offset from UTC can be written as +01:00...
) was used in winters and in years 1941-45 & 1947 British Double Summer Time (BDST=CEST
Central European Summer Time
Central European Summer Time is one of the names of the Daylight saving time offset using the UTC offset of UTC+02:00, 2 hours ahead of Coordinated Universal Time. It is used as a summer daylight saving time in most European countries. During the winter, Central European Time is used...
) was used in summers. Between 18 February 1968 and 31 October 1971 BST
British Summer Time
Western European Summer Time is a summer daylight saving time scheme, 1 hour ahead of Coordinated Universal Time. It is used in the following places:* the Canary Islands* Portugal * Ireland...
was used all year round.
In Ireland in years 1940-46 Irish Summer Time (IST=CET
Central European Time
Central European Time , used in most parts of the European Union, is a standard time that is 1 hour ahead of Coordinated Universal Time . The time offset from UTC can be written as +01:00...
) was used all year (Ireland did not adopt similar time changes to British Double Summer Time (BDST=CEST
Central European Summer Time
Central European Summer Time is one of the names of the Daylight saving time offset using the UTC offset of UTC+02:00, 2 hours ahead of Coordinated Universal Time. It is used as a summer daylight saving time in most European countries. During the winter, Central European Time is used...
) in 1941-45, 1947). Between 18 February 1968 and 31 October 1971 Irish Standard Time was used all year round.
In Portugal, CET
Central European Time
Central European Time , used in most parts of the European Union, is a standard time that is 1 hour ahead of Coordinated Universal Time . The time offset from UTC can be written as +01:00...
was used in the periods 1966-1976 and 1992-1996.