Greenwich Mean Time

The Prime Meridian at Greenwich, London is the reference for every time zone in the world.

What is Greenwich Mean Time (GMT)?

United Kingdom is now on GMT

11:52:30 AM 01/20/2022GMT +00:00

British Summer Time (BST) Dates

Start and end of summer time in the UK

Check a particular year for BST dates

BST and the British Experiment

All-year British Summer Time (BST) was in force from February 1968 until October 1971.

Read more about the "British Experiment" and the history of BST in this article.

When BST starts, at 01:00 GMT - clocks go forward one hour. When BST ends, clocks go back one hour to GMT

BST yearly dates 2021-2030

BST yearly dates 2011-2020

BST yearly dates 2001-2010

BST yearly dates 1991-2000

BST yearly dates 1981-1990

BST yearly dates 1971-1980 (All year-BST ends in 1971)

BST yearly dates 1961-1970 (All year-BST starts in 1968)

BST yearly dates 1950-1960

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