American Church Dictionary and Cyclopedia

DAYS OF OBLIGATION

Days of Obligation: translation

These are days on which Communicants are bound by the Faith they profess to be present at the celebration of the Holy Communion and to rest as much as possible from servile work. Such Days of Obligation are the following:
All Sundays in the year, not 12 but 52.
Christmas Day 25th December.
Feast of the Circumcision 1st January.
Feast of the Epiphany 6th January.
Annunciation Day 25th March.
Easter Day Movable.
Ascension Day Movable.
Whitsun Day Movable.
All Saints' day 1st November.