Traditional day of fast and abstinence
The blessing of meals during the Octave, until lunch of Saturday, is:
V. Spiritus Domini replevit orbem terrarum, Alleluia + .
R. Et hoc quod continet omnia, scientiam habet vocis, Alleluia.
(Cf. reliqua in Benedictio mensae in the Ritual or in the appendix of the Breviary).
Proper Mass; Gloria; sequence Veni Sancte Spiritus; Credo; Preface of the Holy Ghost; proper Communicantes and Hanc igitur, all of which continues throughout the Octave; no flectamus genua
Matins: All from Pentecost; three lessons, however, are proper; one nocturn with only three psalms; Te Deum
Lauds: All from Pentecost; proper antiphon at Benedictus and proper oration; no preces
Prime: All from Pentecost (Sunday psalms, and psalm 53 takes the place of 117); proper oration
Terce: All from Pentecost (Hymn Veni Creator Spiritus); proper oration
Hours: All from Pentecost; proper oration
Vespers: All from Pentecost; proper antiphon at Magnificat and proper oration; no preces
Compline: Of Sunday