The monks of Notre Dame Priory celebrate Holy Mass each day at St Patrick's Church, Colebrook. On Sundays and major feast days*, Mass is at 10 AM; on weekdays, it is at 9 AM. In both cases, Mass is preceded by the chant of the office of Terce. 

Feast days on which Holy Mass is celebrated at 10AM

 January  May July
 1 - Octave Day of the Nativity  1 - St Joseph the Worker  1 - Most Precious Blood
 6 - Epiphany of the Lord  24 - Our Lady, Help of Christians  11 - Solemnity of St Benedict
 12 - Our Lady of Cana  30 - Ascension of the Lord  
    August
March June 8 - St Mary of the Cross
18 - St Patrick (transferred) 20 - Corpus Christi 15 - The Assumption of the BVM
19 - St Joseph 24 - Nativity of St John the Baptist  
21 - Transitus of St Benedict 28 - Sacred Heart of Jesus  November 
25 - Annunciation 29 - Sts Peter and Paul  1 - All Saints
    2 - All Souls