In all world's religions there are some holidays and as a great religion- of the world Christianity has same holidays too. These Christian holidays are not commanded by God like it commanded in .Judaism, but they have come to forth by the course of time. Most of these Christian holidays are related with .Jesus Christor his mother Mary. in this article we dealt with holidays that are related with Jesus Christ. On this context Christmass and Easter have become our main subject. And after these we dealt with some holidays that related with Jesus's mother Mary and some important Christian saints like St. Paul or St. Peter