Official UK Annual Date
When Do the Clocks Change in the UK (2026 & 2027)?
In the United Kingdom, clocks go forward 1 hour at 01:00 GMT on the last Sunday in March (British Summer Time starts). Clocks go back 1 hour at 02:00 BST on the last Sunday in October (Greenwich Mean Time resumes).
2026 DatePast
Clocks Go Forward (BST Starts) 2026
Sunday 29 March 2026
At 01:00 GMT on the last Sunday in March, clocks jump forward 1 hour to 02:00 BST, marking the official start of British Summer Time.
2026 DatePast
Clocks Go Back (GMT Resumes) 2026
Sunday 25 October 2026
At 02:00 BST on the last Sunday in October, clocks go back 1 hour to 01:00 GMT, bringing 1 extra hour in bed and returning to Greenwich Mean Time.
2027 DateIn 153 days
Clocks Go Forward (BST Starts) 2027
Sunday 28 March 2027
At 01:00 GMT on the last Sunday in March 2027, clocks advance 1 hour to 02:00 BST for British Summer Time.
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