When Is The First Day Of Winter 2025. It will happen on saturday 21 at 11.19 p.m. When in 2025 is winter?
Find out the date, how long in days until and count down to till winter 2025 with a countdown clock. Winter 2025 starts on sunday, 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.