Calendrical a. : Of or pertaining to a calendar.

Example:
Hillel II did establish the "calculation" method of Calendrical determination. Why doesn't Judaism accept the

Taxonomy
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Defination from the web:
calendrical in the Online Dictionary. Meaning of calendrical. Pronunciation of calendrical. Translations of calendrical. ... `The mark of the beast has never been interpreted as a calendrical sign,'' said Stephen O'Leary, an associate professor at the University of ...