II class
White
IV class Requiem Masses are not permitted during the IV class ferial days of Christmastide and Epiphanytide.
Credo; preface of the Nativity without proper Communicantes
Matins: Invitatorium Admirabile nomen; Hymn Iesu, Rex; 3 nocturns; Te Deum
Lauds: Proper antiphons and Sunday psalms; Hymn Iesu, decus;
Prime: Verse Qui natus es
Hours: Psalms and antiphons of the feria
II Vespers: Proper antiphons with Sunday psalms (last psalm is 115); Hymn Iesu, dulcis memoria
Compline: Of Sunday