Stella Ricardo

Summer Time 2025 Uk Dates. In 2025 the autumnal equinox will occur on 22 september at 12.44 gmt (01.44 bst). Learn more about why the uk changes the clocks and the history of daylight saving time with royal observatory.

On 27 october clocks will turn back by one hour, as we change from british summer time (bst) to. Whilst the annual clock changes have largely remained unchanged since 1925 there have been some exceptions: