Christmas is the day when Christians commemorate the birth of Jesus. Every year,1February 25th is called Christmas. During the festival, Christians all over the world hold grand commemorative ceremonies.

Christmas, also known as Christmas Day, the birthday of Jesus, is translated as "Christ Mass", a traditional western festival, which originated from Christianity and falls on1February 25th every year. Mass is a liturgy of the church. Christmas is a religious festival, because it is celebrated as the birthday of Jesus, hence the name "Christmas".