The 2024 winter solstice, the shortest day of the year, happens on Saturday, Dec. 21, and is marked with traditions and celebrations around the world.

The winter solstice is today, bringing the shortest day and longest night of the year to the Northern Hemisphere.

During the Northern Hemisphere’s winter solstice, the upper half of the Earth is tilted away from the sun, creating the shortest day and longest night of the year. The winter solstice falls between December 20 and 23..