First Day Of Winter 2025 Canada Calendar. You can check the spring, summer and. This year, the solstice happens at 4:21 a.m.

Winter 2025 starts on saturday, december 21st in the northern hemisphere, with the first day of winter being the shortest daylight day of the year with the earth’s axis having. The first day of winter is marked by the winter solstice, which occurs when the earth’s axis tilts farthest from the sun.