When Will Winter End 2025. Starts on december 21, 2025, at 4:21 am and lasts until march 20, 2026, at 5:01 am (93 days) the times correspond to the eastern time (et) time zone and will vary in different states. Winter solstice 2025 (beginning of astronomical winter) on the day of the winter (december) solstice, the sun passes through the southernmost point of the ecliptic, that is, as far as.
In 2025, these are the astronomical dates and times for the start of each season: While the dates of the seasons may vary.