Learn how to say Calendarial correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word calendar:
a chart or series of pages showing the days, weeks, and months of a particular year, or giving particular seasonal information.
a system by which the beginning, length, and subdivisions of the year are fixed. See also Julian calendar and Gregorian calendar.
a list of days or events of a specified kind:
the social calendar
North American a book in which to note daily appointments.
enter (something) in a calendar or timetable:
it was at their discretion whether to index or calendar the records
Pronunciation: /-ˈlɛndrɪk/ adjective
Pronunciation: /-ˈlɛndrɪk(ə)l/ adjective
Middle English: from Old French calendier, from Latin kalendarium ‘account book’, from kalendae (see calends)
Remember that calendar ends with -ar.
keep an annual record on your calendar.