The switch to daylight saving time will take place on the night of Saturday, March 29 to Sunday, March 30, 2025, at 2 a.m. You will have to set your clocks forward one hour, and it will then be 3 a.m. The time change was introduced in France following the oil crisis of 1973-1974. Since 1998, the dates for daylight saving time have been harmonized within the European Union.