Winter Start Date Uk 2025. Winter 2025 starts on saturday, december 21st in the northern hemisphere, with. The winter solstice is the day of the year with the fewest hours of daylight.

Winter 2025 starts on saturday, december 21st in the northern hemisphere, with. This year the winter will start on thursday december 21, 2023 (day of the winter solstice) and will end on tuesday march 19, 2025 with the spring equinox.