Also known as the Circumcision of Our Lord
I class
White
Proper Mass; Gloria; Credo; preface and Communicantes of the Nativity
Matins: Invitatorium Christus natus; Hymn Iesu, Redemptor; 3 nocturns with proper texts, Te Deum
Lauds: Proper antiphons with Sunday psalms; Hymn A solis ortus
Prime: Psalm 53 instead of 117; verse Qui natus es; short lesson Ipsi peribunt
Hours: Sunday psalms and antiphons from Lauds
II Vespers: Proper antiphons; psalms from the Common of the BVM; Hymn Iesu, Redemptor
Compline: Of Sunday