Commemorations: Vigil of St. John the Baptist
After Terce, no 3rd. Orations, Sequence optional at Low Masses, Proper Last Gospel of the Vigil (unless the Vigil Mass will also be offered after None).
Doxology: Incarnation (through None)
Hymn Tone: Christmas (through None)
Matins: Lesson IX of the Vigil
Lauds: Commemoration of the Vigil
Prime: Verse = "Qui natus es de Maria Virgine"
Vespers: First Vespers of the Sacred Heart, no Commemorations
Compline: Proper Doxology of the Sacred Heart