Commemoration of the Ember Saturday of Lent
The Feast of St. Matthias takes precedence over the feria, which is commemorated.
Proper Mass Mihi autem; Gloria; commemoration of the feria; Tract; Credo; Preface of the Apostles
Matins: Office is from the Common of the Apostles, except that the lessons of the 1st and 3rd nocturn are proper; 2nd nocturn lessons are taken from Aliae Lectiones of the Common; Te Deum
Lauds: Antiphons from the Common, with psalms of Sunday (1st scheme); commemoration of Ember Saturday of Lent
Hours: Antiphons and psalms of the feria
I Vespers: Of the 2nd Sunday of Lent; no commemoration of St. Matthias
Compline: Of Sunday