1. Of or pertaining to the calendar or a calendar. Webster's Revised Unabridged Dictionary, published 1913 by G.

Is Calendarial a word?

Of or pertaining to a calendar.

What calendaring means?

1. a table or register with the days of each month and week in a year. 2. any of various systems of reckoning time, esp. with reference to the beginning, length, and divisions of the year, as the Gregorian calendar or the Julian calendar.