The Dedication of St. Michael the Archangel

The feast of the Dedication of St. Michael the Archangel is a Double of the First Class and has been celebrated since the sixth century. The feast originated as the dedication festival of a church in the Circus at Rome that Boniface II dedicated to St. Michael. The liturgical colour of the feast is white. The feast became a Double of the First Class in 1917. The Office is proper. The nineteenth Sunday after Pentecost (this year the first Sunday of October) is commemorated in the Office and Mass of the feast.

At first Vespers yesterday afternoon the antiphons Stetit angelus etc were sung with psalms 109, 110, 111, 112 & 116. The Office hymn was Te, splendor et virtus Patris. After the collect of the feast a commemoration was sung of the Sunday (the antiphon on the Magnificat being Adaperiat Dominus etc for the Saturday before the first Sunday of October) . At Compline the Sunday psalms were sung.

At Mattins the invitatory is Regem Archangelum Dominium, Venite adoremus and the Office hymn is, again, Te, splendor. In the first nocturn the antiphons Concussum est mare etc are sung with psalms 8, 10 & 14. The lessons are from the prophet Daniel. In the second nocturn the antiphons Michael Archangele etc are sung with psalms 18, 23 & 33. The lessons in the second nocturn are taken from a homily of St. Gregory the Great. In the third nocturn the antiphons Angelus Archangelus Michael etc are sung with psalms 95, 96 & 102. The lessons are a homily of St. Jerome on St. Matthew's Gospel. The Te Deum is sung. The ninth lesson is of the Sunday and is a homily of St. Gregory on St. Matthew's gospel. At Lauds the antiphons Stetit angelus etc are sung with the Dominical psalms (Pss. 92, 99, 62, Benedicite & 148). The Office hymn is Christe, sanctorum decus Angelorum. After the collect of the feast a commemoration of the Sunday is sung. The Suffrage is omitted.

At the Hours the antiphons Stetit Angelus etc are sung with the festal psalms. At Prime (Pss. 53, 118i & 118ii) the lectio brevis is Factum est praelium.

Mass is sung after Terce. The Gloria is sung, the second collect is of the Sunday. The Creed is sung, the preface is of the Blessed Trinity and the last Gospel is of the Sunday.

At Vespers all is sung as at first Vespers yesterday except Ps. 137 is sung in place of Ps.116 and the versicle and response and antiphon on the Magnificat are proper to second Vespers. After the collect of the feast commemorations are sung of the Sunday and of the following feast of St. Jerome.

In the 'liturgical books of 1962' the feast becomes 'first class'. At first Vespers the Sunday is commemorated with the antiphon Domine, Rex omnipotens for the Saturday before the fifth Sunday of September. At Mattins there is no ninth lesson of the Sunday. At the Hours the antiphons are doubled. At Prime the lectio brevis is of the season. At Mass the last Gospel is In principio. At second Vespers there is a commemoration of the Sunday but that of St. Jerome is omitted.

Icon: St. Michael in a Icon from Archangel Cathedral, the Kremlin, from Wikipedia.