White III class Feast
St. Ambrose, Bishop, Confessor and Doctor of the Church
S. Ambrosii Episcopi Confessoris et Ecclesiæ Doctoris
- Commemoration
- Feria II infra Hebd II Adventus
- Antiphon of Our Lady
- Alma Redemptoris Mater (Advent)
White III class Feast
S. Ambrosii Episcopi Confessoris et Ecclesiæ Doctoris