Commemorations: St. Anastasia (at the Dawn Mass only)
Three Masses: one at Night between Matins and Lauds (which on this day only these Hours are officially split); second Mass at Dawn after Prime, Commemoration of St. Anastasia; third Mass of the Day after Terce w/ Proper Last Gospel of the Epiphany.
Proper Communicantes/Hanc Igitur: Proper Communicantes of the Nativity
Hymn Tone: Christmas
Matins: Sung before the Midnight Mass and ends with the Collect & Dismissal
Lauds: Sung immediately after the Midnight Mass
Prime: Verse = "Qui natus es"
Vespers: Second Vespers of the feast, Commemoration of St. Stephen