Christmas is a Christian holiday that celebrates the birth of Jesus Christ. It is observed on December 25th every year, and is traditionally marked by the exchange of gifts, the singing of carols, and the attendance of religious services.

In the Christian tradition, Christmas is seen as a time of joy and celebration, as it marks the moment when God became incarnate in the form of Jesus Christ. The holiday is also associated with the Christian belief in the promise of salvation and the hope of eternal life.

In many parts of the world, Christmas is a cultural and commercial holiday as well as a religious one, and it is often celebrated by people of many different faiths and backgrounds. It is a time of family gatherings and festive decorations, and is also marked by the giving and receiving of gifts, the preparation of special foods, and the performance of Christmas traditions and customs.