First Day Of Winter 2024 Usa Dates. Winter solstice takes place on december 21, 2024, in the northern hemisphere and on june 20, 2024, in the southern hemisphere. 21, 2024 and the next winter solstice for the southern hemisphere will occur on june 20, 2024.

Summer starts at the moment when the sun is farthest north: Fall starts at the moment when the sun is directly over the equator, going from north to south: