III class
Violet
Commemoration of St. Sabbas, Abbot
First Thursday
The First Thursday votive Mass may be said: “one Mass of our Lord Jesus Christ, eternal High Priest, on the first Thursday or the first Saturday of each month, in churches and oratories in which special devotions are held on that day for the sanctification of the clergy” (Rubricæ generales, 385a).
First Thursday votive: (White) Mass of our Lord Jesus Christ, eternal High Priest, Gloria, commemoration of the feria then of St. Sabbas under one conclusion, no Credo, common Preface
OR
Mass of the 1st Sunday of Advent; no Gloria or Credo; commemoration of St. Sabbas; omit Alleluia with following verse; common Preface
Matins: Invitatorium Regem venturum Dominum; Hymn Verbum supernum; ferial psalms and antiphons; no Te Deum
Lauds: Ferial psalms and antiphons of the 2nd schema; Hymn En clara vox; commemoration of St. Sabbas
Hours: Ferial psalms with antiphons of the 1st week of Advent
Vespers: Ferial psalms and antiphons; Hymn Creator Alme siderum
Compline: Of the feria