Christmas is one of the big holidays of Christianity and concerns twelve great

concerns twelve great holidays. This holiday is marked by Catholics

on December, 25th, and orthodox on January, 7th on new style. This holiday is established in honor of Jesus Christ birth in Bethlehem, and is one of the main Christian holidays. The holiday symbolizes itself Jesus Christ Birth in a bosom of the Father, in a belly of the Mother of god and in a shower of the believing person. In V century Anatoly, the Patriarch Constantinople, and in VII century Soffony and Andrey Ierusalimsky, in VIII century John Damaskin, Kozma Majumsky, and also Herman, the Patriarch Constantinople for Christmas holiday have written church church chanting which are used by present church.