Winter Solstice 2025 Dates Uk. For upcoming years, the dates for astronomical winter will be: Winter solstice 2025 (beginning of astronomical winter) on the day of the winter (december) solstice, the sun passes through the southernmost point of the ecliptic, that is, as far as possible from the celestial equator to the south (for the northern hemisphere of the earth).
Whilst the dates of the seasons do vary, the variation is only ever by 2 days. Begins on saturday, dec 21, and ends on thursday, march 20, 2025.