First Day Of Winter 2024 Uk 2024. The winter solstice, which marks the first day of winter 2024, occurs on saturday, december 21, 2024 at 4:21 a.m. The winter solstice is the shortest day and longest night of the year after which the days begin to get longer and the nights get shorter.

Winter solstice takes place on december 21, 2024, at 09:20 gmt (04:20 a.m. Meteological winter begins december 1 / june 1 (depending on hemisphere).