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.
Add Yahoo as a preferred source to see more of our stories on Google. The Winter solstice is a moment of sacred stillness. The winter solstice is upon us, and with it, the longest night of the year.