Penance: Fast & Abstinence
Flowers are permitted.
The organ may be played.
No penitential kneeling.
After None, no Commemorations, Alleluia & Verse omitted, Dismissal = "Benedicamus Domino".
Folded Chasubles: No, today dalmatic & tunicle are worn
Doxology: Per Annum (through None)
Hymn Tone: Advent (through None)
Lauds: Proper antiphons (doubled) w/ Festal Psalms
Prime: Verse = "Qui venturus es"; No Preces, Announcement of the Nativity solemnly proclaimed at the Martyrology
Day hours: No Preces
Vespers: First Vespers of Christmas, no Commemorations
Compline: Hymn takes the proper doxology of the Incarnation sung in the Christmas melody