UK clocks spring forward March 29 and fall back October 25 in 2026.

In 2026, UK clocks will spring forward one hour at 1am on Sunday, March 29, marking the start of British Summer Time, and move back one hour at 2am on Sunday, October 25, returning to Greenwich Mean Time. These biannual changes aim to maximize daylight and reduce energy use, minimizing disruption to schools and businesses.