Deacon, Confessor, Doctor of the Church
III class
White
Commemoration of Sts. Marcus and Marcellianus, Martyrs
Mass of the feast, Gloria, commemoration of the martyrs, 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; oration proper; Te Deum
Lauds: Antiphons and psalms of the feria (first schema), remainder from the Common; oration proper; commemoration of the martyrs
Hours: Antiphons and psalms of the feria, remainder from the Common; oration proper
I Vespers: Of the Sacred Heart; all proper
Compline: Of Sunday