First Official Day Of Winter 2024. Here's the first day of winter 2024, plus the exact time the solstice occurs in arizona. 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.
It marks the shortest day and longest night of the year and the first day of the winter in astronomical terms. Et, according to the old farmer’s almanac.