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Mass ordinary


The ordinary, in Roman Catholic and other Western Christian liturgies, refers to the part of the Eucharist or of the canonical hours that is reasonably constant without regard to the date on which the service is performed. It is contrasted to the proper, which is that part of these liturgies that varies according to the date, either representing an observance within the liturgical year, or of a particular saint or significant event, and to the common, which contains those parts that are common to an entire category of saints, such as apostles or martyrs.

The ordinary of both the Eucharist and the canonical hours does, however, admit minor variations in accordance with the seasons, such as omission of "Alleluia" in Lent and its addition in Eastertide.

These two are the only liturgical celebrations in which a distinction is made between an ordinary and other parts. It is not made in other celebrations of Christian liturgy: administration of sacraments other than the Eucharist, blessings, and other rites.

In connection with liturgy, the term "ordinary" may also refer to Ordinary Time - those parts of the liturgical year that are part neither of the Easter cycle of celebrations (Lent and Eastertide) nor of the Christmas cycle (Advent and Christmastide), periods that were once known as "season after Epiphany" and "season after Pentecost".

In addition the term "ordinary liturgy" is used to refer to regular celebrations of Christian liturgy, excluding exceptional celebrations.

The Mass ordinary, or the Ordinarium parts of the Mass, is the set of texts of the Roman Rite Mass that are generally invariable. This contrasts with the proper (Proprium), which are items of the Mass that change with the feast or following the Liturgical Year. Ordinary of the Mass may refer to the Ordinarium parts of the Mass or to the Order of Mass (which includes the proprium parts).


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