Overview

• The time change takes effect at 2 a.m. on Sunday, October 26, when the UK returns to Greenwich Mean Time.
• People gain an extra hour, and late-night bars and clubs may choose to stay open longer.
• Britain’s seasonal clock changes began with the 1916 Summer Time Act following William Willett’s campaign.
• Doctors note that earlier darkness can shift melatonin timing and briefly disrupt sleep as routines adjust.
• The next change sees clocks move forward again on March 29, 2026.