When Is Winter Solstice 2026. The northern hemisphere winter solstice will occur saturday, december 21st at 4:20 am est. The winter solstice is the shortest daylight and the longest night.

Winter solstice 2026 (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). The winter solstice, which takes place on dec.