From dressing the tree to raiding tins of Quality Street, what is Christmas without its tinsel-covered megamix of customs, traditions and rituals?
There are the wholesome, nostalgic classics; carol singing and setting out milk and carrots on Christmas Eve. Others are newer; think Friendmas, Whammegeddon (beware the West End's disco rickshaws) and Elf on the Shelf, an American ritual that only came into our consciousness this century.
