Christmas (Christmas or Cristo Messa)， translated as "Christ Mass."

Mass is a liturgical church. December 25 each year， Christians celebrate the birth of Jesus Christ celebrate the day，

At Christmas， most of the Catholic Church will be first in the Christmas Eve on December 24， that is held in the early morning of December 25 Midnight Mass，

Some Christian Church will hold caroling， and then celebrate Christmas on December 25; and the other major branch of Christianity - Orthodox Christmas celebrations in the annual January 7.

Because it as to celebrate the birthday of Jesus， thus known as Christmas. On this day， all the Christian world would have held a special prayer ceremony.

Christmas is also the Western world as well as public holidays in many other areas， for example: in Asia， Hong Kong， Macau， Malaysia and Singapore.