First Day Of Winter 2024 Usa. It marks the shortest day and longest. Increased snowfall is expected in the northern u.s.
Download the monthly calendar for the winter of 2024. 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.