St. Ambrose, Bishop, Confessor and Doctor

Color: White

Penance: Fast & Abstinence

Flowers are permitted.

The organ may be played.

Commemorations: Advent Feria, Vigil of the Immaculate Conception

Penitential kneeling: Yes for the Vigil Mass only

Mass

After Terce, 2nd. Oration: Commemoration of the Feria, 3rd. Oration: Commemoration of Vigil of the Immaculate Conception, Proper Last Gospel of the Vigil. Folded Chasubles: Yes, for the Vigil Mass

Gloria. Credo.

Preface: Common

Office

Doxology: Per Annum

Hymn Tone: Advent

Lauds: Commemoration of the Feria, Commemoration of Vigil of the Immaculate Conception

Prime: Verse = "Qui venturus es in mundum"

Vespers: First Vespers of the Immaculate Conception, Commemoration of the Feria