Definition of "ecclesiastical calendar" []

• A calendar of the Christian year indicating the dates of fasts and festivals (noun)

WordNet. Princeton University. 2010.

• "By the French revolution the ecclesiastical calendar had been radically abolished, and at the reorganization of the French Church, in 1806, only four feasts were retained: Christmas, the Ascension, the Assumption, and All Saints; the other feasts were transferred to"
• "The "Menology" (menológion) is either an ecclesiastical calendar or a kind of Synaxarion."