When local standard time is about to reach in the night of Sunday 28th of March, 2021 clocks are turned forward from 02:00:00 to 03:00:00 local daylight time. Sunrise and sunset will be about 1 hour later than the day before. There will be more light in the evening. Also called Spring Forward, Summer Time, and Daylight Savings Time. The Summer Time will last until the end of October.
The beginning of the Summer, the Summer Solstice, starts around 21 June. The days become shorter in the North again. Meteorologists expect June, July and August as the Summer period. The Summer Semester lasts from May to October. Source: KNMI.