I class
White
Mass of the Feast; Gloria; Credo; common preface
Matins: All proper, including lessons of the 3 nocturns; Te Deum
Lauds: Antiphons proper, with Sunday psalms of the first schema; remainder proper
Prime: Antiphon proper, with Sunday psalms; Psalm 53 instead of 117
Hours: Antiphons proper, with Sunday psalms; remainder proper
II Vespers: Antiphons proper, with Sunday psalms except Psalm 137 Confitebor tibi for fifth psalm; remainder proper
Compline: Of Sunday