Overview
- Clocks advance by one hour at 1am on Sunday, March 29, 2026, marking the start of British Summer Time, with the return to standard time scheduled for Sunday, October 26.
- Some areas will top 8pm sunsets immediately after the change, including County Fermanagh, while first post‑8pm sunsets are forecast for Edinburgh around April 6, Cardiff around April 10, Birmingham around April 12, London around April 17, Newcastle on April 10, and Liverpool on April 9.
- Pre‑6am sunrises are expected before the change at Ness Point around March 19, London around March 22, Edinburgh around March 26, and Cardiff around March 28, then resume after the change around April 14 at Ness Point, April 18 in London, April 19 in Edinburgh, April 21 in Glasgow, and April 24 in Cardiff.
- Evenings lengthen through spring, with sunsets near 8:30pm by mid‑April and close to 9pm by the end of April in many locations, according to local forecasts.
- Most smartphones and smartwatches will update automatically from 1am to 2am, but analogue clocks, ovens, car displays, and other manual devices will need to be reset; the long‑running practice dates to 1916 and EU moves to end biannual changes remain on hold.