Commemoration of St. Isidore of Seville, Bishop, Confessor, and Doctor of the Church
In Masses of the season, the psalm Iudica me is omitted, as well as the Gloria Patri at the Introit and after the psalm Lavabo.
The First Saturday votive Mass may be said: “one Mass of the Immaculate Heart of the Blessed Virgin Mary, on the first Saturday of each month, in churches and oratories in which special devotions are held on that day in honor of the Immaculate Heart of Mary” (Rubricæ generales, 385c).
Mass of Saturday in Passion Week; no Gloria; commemoration of the saint; no Credo; Preface of the Holy Cross; Prayer over the people
First Saturday votive: (White) Mass of August 22, Gloria, commemoration of the feria and of the saint under one conclusion, no Credo, preface of the BVM with Et te in veneratione
Matins: Invitatorium and Hymn in Tempore Passionis 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 Passionis as given in the psalter, except proper antiphon at Benedictus Clarifica me and proper oration; commemoration of the saint
Hours: Antiphons and psalms of the feria; remainder Tempore Passionis as given in the psalter
I Vespers: Of Palm Sunday
Compline: Of Saturday