The 2021 winter solstice occurred at 10:59 a.m. ET/7:59 a.m. PT on Tuesday, Dec. 21, marking the official start of the astronomical winter and the shortest day of the year for the Northern Hemisphere.

Tuesday is the first official day of winter, with the winter solstice taking place at 10:59 a.m. The first day of winter is also the day with the fewest hours of sunlight, or the shortest day of the ...

Whether you're a fan of the snow and cold or not, winter is almost here. Tuesday marks the winter solstice, the shortest day of the year when it comes to combined sunlight and the official beginning ...