Apostle
III class
White
Commemoration of St. Peter, Apostle
Mass of the feast; Gloria, commemoration of St. Peter under one conclusion; no Credo; preface of the Apostles
Ordinary Offices
Matins: Proper Office; Invitatorium, Hymn, and 9 antiphons and 9 psalms of the feast; 3 lessons from the feast; Te Deum
Lauds: Proper antiphons of the feast with Sunday psalms; remainder proper; commemoration of St. Peter (prayer only, under one conclusion)
Hours: Psalms and antiphons of the feria
I Vespers: Of the III Sunday after Epiphany; all as in psalter for Saturday (with texts per annum) except proper oration; no commemoration of the Conversion of St. Paul
Compline: Of Saturday