When Is 1st Day Of Winter 2024 Calendar. When do the four seasons start in 2024—for spring, summer, fall, and winter? 21, marked by the winter solstice, according to the old farmer’s almanac.

Winter 2024 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 reached its furthest tilt away from the sun and begins to change directiion back. 21, marked by the winter solstice, according to the old farmer’s almanac.