IV class
Green
Commemoration of St. Giles, Abbot, and the Twelve Holy Brothers, Martyrs
Mass of preceding Sunday (Green), no Gloria, two commemorations added under one conclusion, no Credo, common preface
OR
Mass of either St. Giles (White) or the Twelve Holy Brothers (Red), with commemoration of the other, Gloria, no Credo, common preface
Matins: Invitatorium and Hymn per annum as given in the psalter; lessons from occurring scripture, no Te Deum
Lauds: Antiphons and psalms of the feria (first schema); remainder per annum as given in the psalter; oration of the preceding Sunday; two commemorations added
Hours: Antiphons and psalms of the feria; remainder per annum as given in the psalter; oration of the preceding Sunday
Vespers: Antiphons and psalms of the feria; remainder per annum as given in the psalter; oration of the preceding Sunday
Compline: Of the feria