What is Greenwich Mean Time?
You need to keep in mind that this time zone is an identifier for a time offset that is 0 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.
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Time Offset: UTC, UTC+00:00
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Abbreviation: GMT, GT, Greenwich Time, UT1
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Standard Time Ends: Last Sunday in March, 01:00 UTC (clocks go forward one hour).
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Standard Time Began: Last Sunday in October, 01:00 UTC (clocks went back one hour).
What is Greenwich Mean Time Zone Right Now?
This time zone is a time offset that adds 0 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:
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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Azores Summer Time (AZOST)
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Eastern Greenland Summer Time (EGST)
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Coordinated Universal Time (UTC)
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Western European Time (WET)
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Zulu Time Zone (Z)
Main Countries
Territories observing the time zone are primarily in Europe, Africa, North America and Antarctica.
It runs through several European and African countries.
This time zone is used in the following countries:
In Portugal, this time zone is used throughout the country, except for the Azores.
In Spain, this time zone is present in the territory of Canary Islands.
In Denmark, this time zone is present in the territories of Faroe Islands and Greenland.
In the United Kingdom, this time zone is present in the territories of Isle of Man,
England, Wales, Scotland, Northern Ireland.
In Spain, this time zone is present in the territory of Troll Research Station (Antarctica).
Current Greenwich Mean Time with seconds according to the official atomic clock.
