Christmas is also known as Christmas, translated as "Christ mass", western traditional festival, every year in December 25th. Mass is a kind of church service. Christmas is a religious festival, because regard it as to celebrate the birth of Jesus, named "christmas".
　　Most of the Catholic Church will be first in the 24, Christmas Eve, i.e., the early morning of December 25 at midnight mass, and some Christian will be held caroling and on December 25 to celebrate Christmas; Christian another branch of Orthodox Christmas celebration in the annual January 7.
　　Christmas is a public holiday in the western world and in many other regions, such as Hongkong, Macao, Malaysia, and Singapore in Asia. The Bible actually did not record the date of birth of Jesus, Christmas is a public.
　　圣誕節(Christmas)又稱耶誕節，譯名為“基督彌撒”，西方傳統節日，在每年12月25日。彌撒是教會的一種禮拜儀式。圣誕節是一個宗教節，因為把它當作耶穌的誕辰來慶祝，故名“耶誕節”。
　　大部分的天主教教堂都會先在24日的平安夜，亦即12月25日凌晨舉行子夜彌撒，而一些基督教會則會舉行報佳音，然后在12月25日慶祝圣誕節;基督教的另一大分支——東正教的圣誕節慶則在每年的1月7日。
　　圣誕節也是西方世界以及其他很多地區的公共假日，例如：在亞洲的香港、澳門、馬來西亞和新加坡。圣經實際上并無記載耶穌誕生日期，圣誕節是后人公定的。