When Does Winter 2025 Starts In The Uk. In 2025, the first day of winter is saturday, december 21. The table below will allow you to view the winter start and end dates for the years 2023, 2024, 2025 and 2026.
Click on the date that interests you to see the lighting map of the earth on that date and time (beginning of the season). Starts on saturday 21 december 2024, ends on thursday 20 march 2025