Boxing Day is a holiday celebrated after Christmas Day, and it is a well-known holiday primarily celebrated in the United Kingdom and other countries that were part of the British Empire, as well as in some European nations.

New Year's Eve marks the final day of the Gregorian calendar year and is a significant occasion for many people around the world. It's a time to reflect on the past year and welcome the beginning of a new one.

The Epiphany, often referred to as the Feast of the Three Kings or Three Kings' Day, is a Christian celebration that commemorates the visit of the Magi (also known as the Wise Men or Three Kings) to the infant Jesus.

Orthodox Christmas Day is celebrated by Orthodox Christians around the world. The difference in date from the December 25 celebration of Christmas in the Western Christian tradition arises from the use of different calendars.