The Church of England uses a liturgical year that is in most respects identical to that of the Roman Catholic Church. While this is less true of the calendars contained within the Book of Common Prayer and the Alternative Service Book (1980), it is particularly true since the Anglican Church adopted its new pattern of services and liturgies contained within Common Worship, in 2000. Certainly, the broad division of the year into the Christmas and Easter seasons, interspersed with periods of Ordinary Time, is identical, and the majority of the Festivals and Commemorations are also celebrated, with some obvious exceptions, chiefly that of the Assumption of Mary.