Relating to or concerning calendars or the measurement of time through calendars.
From calendar plus the suffix -ic (meaning 'of or pertaining to'), creating an adjective similar in meaning to calendrical or calendric.
Languages love synonyms! English has at least four ways to say 'calendar-related'—calendaric, calendrical, calendric, and calendary—showing how this concept mattered enough to get lots of linguistic options.
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