When Does Winter Begin 2025. The following table shows the dates together with the exact time in which each of the seasons of the year begin. ** utc is coordinated universal time, the official time zone for the planet earth.
This year the winter will start on thursday december 21, 2023 (day of the winter solstice) and will end on tuesday march 19, 2024 with the spring equinox. The first day of winter 2025: