First Day Of Winter 2024 Dates Uk. The winter solstice, which marks the first day of winter 2024, occurs on saturday, december 21, 2024 at 4:21 a.m. In 2024 the winter solstice will occur on saturday 21 december.

Thursday, mar 20 5:01 am edt. Tue, december 3, 2024 at 2:45 pm utc.