Summer Solstice 2025 Daylight Savings Time. In 2025 the summer solstice will occur on saturday 21 june at 03.42 bst (02.42 gmt). This page lists all daylight saving time changes and other time zone changes around the world for 2025.

Daylight saving time (dst) in 2025 will start on sunday, march 9. Daylight saving time 2025 begins on the second sunday in march in most areas of the us.