When Does Winter Begin 2024. At the june solstice, the sun reaches its northernmost. 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.
Here are the equinox and solstice datesโplus, answers to common questions. Winter solstice takes place on december 21, 2024, in the northern hemisphere and on june 20, 2024, in the southern hemisphere.