When Do We Change Clocks In 2024 Fall. 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. On 27 october clocks will turn back by one hour, as we change from british summer time (bst) to greenwich mean time (gmt).
When local time reaches 2 a.m. States participating in daylight saving time turn their clocks back when it officially ends on the first.