Beginning Of Winter 2025. 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 reached its furthest tilt away from the sun and. Tuesdays from 12:15 until 2:00 pm;.
When is the winter solstice in 2025? While the solstice can sometimes happen on december 20, 21, 22, or 23,.