When Does Winter Start 2025. In 2024, the first day of winter is saturday, dec. Fall starts at the moment when the sun is directly over the equator, going from north to south:
27 rows each season of 2025 lasts for about 3 months. Begins on saturday, december 21, 4:21 am and ends on march 20, 2025, 5:01 am the times correspond to the eastern time (et) time zone and will vary in different states.
