For the past six months, the days have grown shorter and the nights have grown longer in the Northern Hemisphere. But that’s about to reverse itself.
Winter solstice 2021, the shortest day of year and the official first day of winter, is on Tuesday, December 21. How it all works has fascinated people for thousands of years.
First we’ll look at the science and precise timing behind the solstice. Then we’ll explore some ancient traditions and celebrations around the world.