The fifteenth Sunday after Pentecost is of semi-double rite and its liturgical colour is green. This year it is the first Sunday of September. The Pars Autumalis of the Breviarium Romanum began at Vespers yesterday. The Gospel pericopes sung at Mattins and Mass are from the seventh chapter of St. Luke's Gospel recount the raising by the LORD from the dead of the son of the widow of Nain.
At Vespers yesterday afternoon the antiphons and psalms of Saturday were sung. The Office hymn was Jam sol recedit igneus and the antiphon on the Magnificat was Cum audisset Job for the Saturday before the first Sunday of September. After the collect of the Sunday commemorations were sung of the preceding Office of St. Raymund Nonnatus, of St. Giles and of the SS Twelve Brothers. The Suffrage of the Saints was omitted due to the concurrent double feast as were the Dominical preces at Compline.
At Mattins the invitatory is Dominum qui fecit nos and the Office hymn isNocte surgentes. In the first nocturn the lessons are the Incipit of the Book of Job. In the second nocturn the lessons are from St. Gregory's Book of Morals. In the third nocturn the lessons are a homily from St. Augustine on St. Lukes's Gospel. The Te Deum is sung. At Lauds the Office hymn is Ecce jam noctis. After the collect of the Sunday, commemorations are sung of St. Giles and the SS Twelve Brothers followed by the Suffrage of the Saints.
At Prime (Pss. 117, 118i & 118ii) Quicumque is sung as are the Dominical preces.
Mass is sung after Terce. The Gloria is sung, the second collect is of St. Giles, the third collect is of SS Twelve Brothers. The Creed is sung and the preface is of the Holy Trinity.
Vespers are of the Sunday. The Office hymn is Lucis creator. After the collect of the Sunday a commemoration is sung of the following feast of St. Stephen followed by the Suffrage of the Saints. At Compline the Dominical preces are sung.
In the 'liturgical books of 1962' there are no commemorations at Vespers. Mattins is cut down to a single nocturn. At Lauds there are neither commemorations nor Suffrage. At Prime both Quicumque and the Domincal preces are omitted. At Mass there is only one collect. At Vespers there are no commemorations and no Suffrage. At Compline the Dominical preces are omitted.