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.

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 ...