As it happened: The Winter Solstice sunrise phenomenon at Newgrange

Everything you need to know about the astronomical phenomenon that takes place on the shortest day of the year

Newgrange, a Neolithic passage tomb that is older than the pyramids in Egypt, is located in the Boyne Valley, Co Meath. Picture: PA

What is the Winter Solstice?

The Winter Solstice is the period around December 21. It is an astronomical phenomenon that marks the shortest day and the longest night of the year.