When Does Winter Start 2024 Usa Time. The first day of winter in the northern hemisphere is marked by the winter solstice, which occurs on saturday, december 21, 2024, at 4:21 a.m. When does daylight saving end?

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. 3, when we fall back and gain an extra hour of sleep.