When Is Spring Forward 2025 Uk Time. However, it is believed that the ancient romans also followed a similar practice in order to use their time efficiently. The spring or vernal equinox marks the astronomical first day of spring.

The uk will then remain on gmt until sunday, 30 march 2025, when the clocks will jump forward by an hour once again, returning us to bst in the spring. During wwii, the uk introduced ‘british double summer time’, switching the clocks forward by two hours instead of just one hour to increase productivity.