The feast is of:
Sts. Nazarius and Celsus, Martyrs; St. Victor I, Pope and Martyr; St. Innocent I, Pope and Confessor
III class
Red
Mass of the feast, Gloria, no Credo, common preface
Ordinary Office of the feast
Matins: Invitatorium and Hymn from the Common; psalms and antiphons of the feria; first two lessons of the occurring Scripture (second and third joined); lesson 3 of the feast; Te Deum
Lauds: Antiphons and psalms of the feria (first schema), remainder from the Common; oration proper
Hours: Antiphons and psalms of the feria, remainder from the Common; oration proper
I Vespers: Of the following Sunday; antiphons and psalms of Saturday; remainder per annum as given in the psalter; proper Magnificat antiphon and oration
Compline: Of Saturday