III class
Violet
First Thursday
Commemoration of St. Isidore of Seville, Bishop, Confessor, and Doctor of the Church
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. Isidore under the same conclusion, no Credo, common Preface.
OR
Mass of Feria V after 4th Sunday of Lent; no Gloria; commemoration of the saint; no Credo; Preface for Lent; Prayer over the people
Matins: Invitatorium and Hymn in Tempore Quadragesimae as given in the psalter; antiphons and psalms of the feria; 3 lessons proper (homilia in Evangelium diei); no Te Deum
Lauds: Antiphons and psalms of the feria (2nd scheme); remainder in Tempore Quadragesimae as given in the psalter, except proper antiphon at Benedictus Ibat Iesus and proper oration; commemoration of the saint
Hours: Antiphons and psalms of the feria; remainder Tempore Quadragesimae as given in the psalter
Vespers: Antiphons and psalms of the feria; remainder Tempore Quadragesimae as given in the psalter, except proper antiphon at Magnificat Propheta magnus and proper oration
Compline: Of the feria