types:
quarter day
a Christian holy day; one of four specified days when certain payments are due
holy day of obligation
a day when Catholics must attend Mass and refrain from servile work, and Episcopalians must take Communion
Rogation Day
one of the three days before Ascension Day; observed by some Christians as days of supplication
Corpus Christi
Thursday after Trinity Sunday; first celebrated in 1246
Ash Wednesday
the 7th Wednesday before Easter; the first day of Lent; the day following Mardi Gras (`Fat Tuesday'); a day of fasting and repentance
Ember Day
a day set aside for fasting and prayer
August 1,
Lammas,
Lammas Day
commemorates Saint Peter's miraculous deliverance from prison; a quarter day in Scotland; a harvest festival in England
Assumption,
Assumption of Mary,
August 15
celebration in the Roman Catholic Church of the Virgin Mary's being taken up into heaven when her earthly life ended; corresponds to the Dormition in the Eastern Orthodox Church
Pentecost,
Whitsunday
seventh Sunday after Easter; commemorates the emanation of the Holy Spirit to the Apostles; a quarter day in Scotland