Overview

• The change takes place at 2:00 a.m., when 2:00 becomes 1:00, giving people an extra hour.
• Phones, computers and other internet-connected devices should update automatically, while standalone clocks, ovens and some car displays may need manual adjustment.
• The autumn change happens every year on the last Sunday in October.
• Expect earlier sunrises for a time after the switch, with evenings getting darker sooner.
• Daylight saving in the UK was introduced in 1916 to conserve energy, with the current British Summer Time system in place since 1971.