The Collaborative International Dictionary of English v.0.48:
Calendric \Ca*len"dric\, Calendrical \Ca*len"dric*al\, a., Of or pertaining to a calendar. [1913 Webster]WordNet (r) 3.0 (2006):
calendrical adj 1: relating to or characteristic of or used in a calendar or time measurement; "calendric systems"; "solstice is a time of calendric importance" [syn: calendric, calendrical]