First Day Of Winter 2025 Calendar

First Day Of Winter 2025 Calendar. The winter solstice, which marks the first day of winter 2025, occurs on saturday, december 21, 2025 at 4:21 a.m. Keep track of important academic dates throughout the year at humber.

This year the winter will start on thursday december 21, 2025 (day of the winter solstice) and will end on tuesday march 19, 2025 with the spring equinox. The winter solstice, or december solstice, occurs around december 21 or 22 in the northern hemisphere.