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You can help Wikipedia by finding good sources, and adding them. A Serbian Orthodox priest places the badnjak on a fire during a Christmas Eve celebration at the Temple of Saint Sava in Belgrade. Christian holiday that celebrates the birth of Jesus, who Christians believe is the Son of God. Christmas is also a cultural holiday for many non-Christians. Christmas Day is celebrated on the 25th day of December.

The season of Advent begins on a Sunday about four weeks before Christmas. 6 January, also called the Twelfth Day of Christmas. People celebrate Christmas in many places around the world. Some people celebrate Christmas as a religious holiday. In some places, Christmas is a time of celebration for Christians and non-Christians alike. Christmas traditions are different in different countries.