What Is The First Day Of Winter 2025 Called. 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. Winter ends on thursday, march 20, 2025, once the vernal equinox (spring equinox) begins.

According to the old farmer’s almanac, the first day of winter is saturday, dec. (in the southern hemisphere, it is around june 20 or 21.) this date is considered to be the first day of winter.