Warren D. Davis

Official Start Of Winter 2025 Kalender. Washington — the winter solstice, the official start of winter, is on saturday, dec. The winter solstice 2025 will occur on december 21st, bringing with it the shortest day and longest night of the year.

The 2025 winter solstice, the shortest day of the year, happens on saturday, dec. For those north of the equator, the solstice marks the shortest day and longest night of the year.