II class
White
Proper Mass of the feast; Gloria; no commemoration of the Sunday; Credo; preface of the Nativity
Matins: Invitatorium Admirabile nomen; Hymn Iesu, Rex; 3 nocturns with proper texts; Te Deum
Lauds: Proper antiphons and Sunday psalms; remainder proper
Prime: Verse Qui natus es
Hours: Psalms and antiphons of Sunday; remainder proper
Vespers: Proper antiphons with Sunday psalms except Ps 115 as fifth psalm; remainder proper
Compline: Of Sunday