When Does Winter 2024 Beginsituatie. This year the winter solstice in the northern hemisphere is on 21 december and therefore our astronomical winter begins on that date. The first day of astronomical winter is saturday, dec.

Winter 2024 starts on saturday, december 21st in the northern hemisphere, with the first day of winter being the shortest daylight day of the year with the earth’s axis having reached its furthest tilt away from the sun and begins to change directiion back. The season change dates are based on the spring and fall equinoxes as well as the summer and winter solstices.