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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