Winter Solstice 2025

Sunday, 21 December 2025

Winter Solstice marks the astronomical moment when the Sun reaches its southernmost position in the sky, producing the shortest day and longest night of the year in the Northern Hemisphere.

Also known as

  • December Solstice

Frequently asked questions

When is Winter Solstice 2025?
Winter Solstice 2025 is on Sunday, 21 December 2025.
What day of the week is Winter Solstice 2025?
It falls on Sunday.
How is Winter Solstice calculated?
This event is based on the astronomical moment when the Sun reaches its southernmost point in the sky each year.