The astronomical winter season for 2023-24 is officially over. The vernal equinox, the point at which the sun crosses the equator on its annual trip from the Southern Hemisphere to the Northern ...
Here’s what you need to know about the start—and end—of winter 2024: The first day of astronomical winter is Saturday, Dec. 21, marked by the winter solstice, according to The Old Farmer’s Almanac.