Winter Solstice 2024 Northern Hemisphere. Get ready to embrace the darkness during the longest night of the year ‒ the winter solstice. The winter solstice occurs at the moment the earth's tilt away/toward the sun is at a maximum, with december 21st marking the shortest day and longest night of the year for locations in the northern half of the globe, given the northern hemisphere being tilted away from the sun.

Winter solstice happens on specific dates in each hemisphere. It happens at the solstice!