Winter 2024 Start Date In Usa. Learn all about the shortest day of the year—and tell us what. 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.

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. Learn all about the shortest day of the year—and tell us what.