1. a chart or series of pages showing the days, weeks, and months of a particular year, or giving particular seasonal information. synonyms: schedule, agenda, almanac, diary, program, ... more
▪ a datebook.
▪ a system by which the beginning, length, and subdivisions of the year are fixed.
▪ a timetable of special days or events of a specified kind or involving a specified group: "the college calendar"
