What is British Summer Time?
You need to keep in mind that this time zone is an identifier for a time offset that is 1 hour ahead of the
UTC time zone.
This time pattern is maintained using highly accurate atomic clocks matched to the Earth's rotation.
In this section, you will learn key facts about this time zone and stay well informed.
The IANA time zone identifier used is Etc/GMT-1.
Please be aware that this time zone is observed during
Daylight Saving Time (DST) in the spring, summer, and autumn months.
During the winter months, clocks went back one hour to the
UTC+0 offset and
Greenwich Mean Time is observed.
About This Time Pattern
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Abbreviation: BST Time
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Time Offset: UTC+1, UTC+01:00
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DST Began: Last Sunday in March (clocks go forward one hour).
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DST Ends: Last Sunday in October (clocks went back one hour).
What is British Summer Time Zone Right Now?
This time zone is a time offset that adds 1 hour to
Coordinated Universal Time (UTC).
In the map above we highlight the entire region covered by this time zone.
Its main cities and territories are:
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London
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Birmingham
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Glasgow
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Leeds
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Liverpool
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Manchester
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Anglesey (Wales, United Kingdom)
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Alderney (Channel Islands, United Kingdom)
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Sark (Channel Islands, United Kingdom)
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Herm (Channel Islands, United Kingdom)
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Isle of Wight (Channel Islands, United Kingdom)
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Normandy (Channel Islands, United Kingdom)
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Brecqhou (Channel Islands, United Kingdom)
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Jethou (Channel Islands, United Kingdom)
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Lihou (Channel Islands, United Kingdom)
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Écréhous (Channel Islands, United Kingdom)
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Minquiers (Channel Islands, United Kingdom)
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Les Dirouilles (Channel Islands, United Kingdom)
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Pierres de Lecq (Channel Islands, United Kingdom)
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Casquets (Channel Islands, United Kingdom)
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Renonquet (Channel Islands, United Kingdom)
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Caquorobert (Channel Islands, United Kingdom)
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Crevichon (Channel Islands, United Kingdom)
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Grande Amfroque (Channel Islands, United Kingdom)
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Les Houmets (Channel Islands, United Kingdom)
In the map above we highlight the entire region covered by the time zone.
This time offset is also observed during standard time and daylight saving time for various geographic regions.
You need to be very careful finding these time zones that may have different names and abbreviations, but have the same UTC offset:
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Central European Time (CET)
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Irish Standard Time (IST)
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Middle European Time (MET)
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West Africa Time (WAT)
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Western European Summer Time (WEST)
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Alpha Time Zone (A)
Main Countries
This time zone is used in the following countries:
In the United Kingdom, this time zone is present in the territory of England, Gibraltar, Northern Ireland, Scotland, Wales, Guernsey, Isle of Man, Channel Islands and Jersey.
During DST, civil time in the United Kingdom is advanced one hour forward of Greenwich Mean Time (GMT), in effect changing the time zone from UTC+00:00 to UTC+01:00, so that mornings have one hour less daylight, and evenings one hour more.