"Remember the sabbath day, to keep it
holy." - Exodus 20:8
Catechism of the Catholic Church says on "Church Attendance:"
2178. "This practice of the Christian assembly dates from the
beginnings of the Apostolic age. [Cf. Acts 2:42-46 ; 1 Cor .] The Letter to the Hebrews reminds the faithful
'not to neglect to meet together, as is the habit of some, but to encourage one
another.' [Heb 10:25.] Tradition preserves the memory of an ever-timely
exhortation: Come to Church early, approach the Lord, and confess your sins,
repent in prayer.... Be present at the sacred and divine liturgy, conclude its
prayer and do not leave before the dismissal.... We have often said: 'This day
is given to you for prayer and rest. This is the day that the Lord has made,
let us rejoice and be glad in it.' [Sermo de die dominica 2 et 6: PG 86/1, 416C
2180. "The precept of the Church specifies the law of the Lord more
precisely: 'On Sundays and other holy days of obligation the faithful are
bound to participate in the Mass.'
[CIC, can. 1247.] 'The precept of participating in the Mass is satisfied by
assistance at a Mass which is celebrated anywhere in a Catholic rite either on
the holy day or on the evening of the preceding day.' [CIC, can. 1248 #
2181. "The Sunday Eucharist is the foundation and confirmation of all
Christian practice. For this reason the faithful are obliged to participate in
the Eucharist on days of obligation, unless excused for a serious reason (for
example, illness, the care of infants) or dispensed by their own pastor. [Cf.
CIC, can. 1245.] Those who deliberately fail in this obligation commit a grave