First Day Of Winter 2025. Winter 2025 starts on sunday, 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. So, what is the winter solstice and why does it happen?

The winter solstice in australia occurs when the earth’s south. As the weekend draws to a close, the weekend draws to a close, the first big winter storm of 2025 is ramping up.