First Day Winter 2025 Uk. The 2025 december solstice takes place on december 21, at 9:21 utc. Ending on 28 (or 29 during a leap year) february.
The first day of spring in the uk astronomically occurs on the vernal equinox, 20 march 2025. Here are the equinox and solstice dates—plus, answers to common questions.