When Do The Clocks Change? - GOV.UK

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When do the clocks change?

The clocks go forward 29 March

Year Clocks go forward Clocks go back
2025 30 March 26 October
2026 29 March 25 October
2027 28 March 31 October
2028 26 March 29 October
Add clock changes in the UK to your calendar (ICS, 2KB)

In the UK the clocks go forward 1 hour at 1am on the last Sunday in March, and back 1 hour at 2am on the last Sunday in October.

The period when the clocks are 1 hour ahead is called British Summer Time (BST). There’s more daylight in the evenings and less in the mornings (sometimes called Daylight Saving Time).

When the clocks go back, the UK is on Greenwich Mean Time (GMT).

Last updated 24 November 2025
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