III class
White
The name of the feast refers to the Roman Papal Basilica known as St. Mary Major
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
Hours: Antiphons and psalms of the feria, remainder from the Common
Vespers: Antiphons and psalms of the feria, remainder from the Common
Compline: Of the feria