# Feast Days ## Catechism of the Catholic Church The annual cycle of liturgical celebrations commemorating the saving mysteries of Christ's life, as a participation in the Paschal Mystery, which is celebrated annually at Easter, the "Feast of feasts." Feast days commemorating Mary, the Mother of God, and the saints are also celebrated, providing the faithful with examples of those who have been glorified with Christ ([[2.1.2.1.p39#^ccc-1169|1169]], [[2.1.2.1.p39#^ccc-1173|1173]]). ## Vatican II - feast days — "It belongs only to an ecumenical council or to the Apostolic See to determine, transfer or suppress feast days" — [[orientalium-ecclesiarium#^oe-19|OE ¶19]]