On each Christmas Day at 3 PM United Kingdom time, Queen Elizabeth II’s Christmas Broadcast is viewed by families across the United Kingdom, even by the Royal Family who sit down to their Christmas dinner at Sandringham House at 1:15 PM so they will be ready to watch the broadcast together. This year’s broadcast can be viewed at https://www.youtube.com/watch?v=FvSsmBDY_fk
Official Website of the British Monarchy: History of the Christmas Broadcast