Winter Solstice 2025 Usa Time. This page gives the day length in hours, minutes and seconds. The winter solstice, which marks the first day of winter 2025, occurs on saturday, december 21, 2025 at 4:21 a.m.
The next winter solstice for the northern hemisphere will occur on dec. The 2025 december solstice takes place on december 21, at 9:21 utc.