When Is Daylight Savings 2024 Uk. Learn more about why the uk changes the clocks and the history of daylight saving time below with the royal observatory greenwich. Daylight saving, or summer time, is a mechanism to make the most of increased summer daylight hours in the northern hemisphere.

At 1 am greenwich mean time (gmt), clocks are advanced one hour to 2 am british summer time (bst). 2024 daylight saving time (dst) dates and rules for the usa, canada, european union and uk.