Christmas Day is celebrated as a major festival and public holiday in countries around the world, including many whose populations are mostly non-Christian. In some non-Christian areas, have the celebration in the countries. reflecting differing cultural and national traditions.a variety of Christmas celebrations have developed that incorporate regional and local cultures. For Christians, participating in a religious service plays an important part in the recognition of the season. Christmas, along with Easter, is the period of highest annual church attendance. In Catholic countries, people hold religious processions or parades in the days preceding Christmas. In other countries, secular processions or parades featuring Santa Claus and other seasonal figures are often held. Family reunions and the exchange of gifts are a widespread feature of the season. Gift giving takes place on Christmas Day in most countries. Others practice gift giving on December 6, Saint Nicholas Day, and January 6, Epiphany.