There is no commemoration of the Sunday in the Mass and the Office
Proper Mass; Gloria; Credo; preface of the Epiphany; no commemoration
Matins: Invitatorium Christum, Dei Filium; Hymn Sacra iam splendent; 3 nocturns with psalms and lessons all proper to the feast; Te Deum.
Lauds: Proper antiphons and Sunday psalms; Hymn O gente felix
Prime: Psalms 117, 118-1, 118-2; verse Qui Mariae
Hours: Sunday psalms and antiphons; remainder proper
II Vespers: Proper antiphons and psalms from the Common; remainder proper
Compline: Of Sunday