Five things you need to know about today's winter solstice

By The Newsroom
Published 21st Dec 2016, 07:13 BST
Updated 29th Dec 2016, 14:12 BST
People gather at Stonehenge in Wiltshire to witness the sunrise on the shortest day of the year. Pic: PA.People gather at Stonehenge in Wiltshire to witness the sunrise on the shortest day of the year. Pic: PA.
People gather at Stonehenge in Wiltshire to witness the sunrise on the shortest day of the year. Pic: PA.
Today marks the winter solstice - the shortest day in the northern hemisphere.

Here are five facts about the winter solstice: