Official Start Of Winter 2025

Official Start Of Winter 2025. According to the astronomical calendar, december 21 marks the shortest day of the year and official start of winter in the uk. Winteruur begint op zondag, 26 oktober 2025 om 3 uur 's nachts.

Winter ends on thursday, march 20, 2025, once the vernal equinox (spring equinox) begins. This year, the winter solstice in the northern hemisphere is on 21 december, and therefore our astronomical winter begins on that date.