First Day Of Winter 2024 Uk Calendar. In december, the winter solstice marks the exact moment the northern hemisphere is tilted the furthest away from the sun. In 2024, the first day of winter is saturday, december 21.

The winter solstice is the shortest day and longest night of the year after which the days begin to get longer and the nights get shorter. The winter solstice is the day of the year with the fewest hours of daylight.