Semidouble
Within the Octave of Corpus Christi
Color: White
Penance: Abstinence
Mass
After Terce, 2nd. Orations of the BVM, 3rd. Orations "Contra Persecutores" or "Pro Papa", Sequence optional at Low Masses.
Gloria. Credo.
Preface: Christmas
Office
Doxology: Incarnation
Hymn Tone: Christmas
Prime: Verse = "Qui natus es de Maria Virgine"
Vespers: Vespers of the Day, Commemorations of St. Ephraem and of Ss. Mark & Marcellianus