Start Of Winter 2024. The 2024 winter solstice, the shortest day of the year, happens on saturday, dec. Winter 2024 starts on saturday, december 21st in the northern hemisphere, with the first day of winter being the shortest daylight day of the year with the earth's axis having.
This is when the winter solstice, or the shortest day of the year, occurs. The winter solstice, which marks the first day of winter 2024, occurs on saturday, december 21, 2024 at 4:21 a.m.