In Darkness (2017) 1h 50min | Thriller | 2017 (UK) A blind musician hears a murder committed in the apartment upstairs from hers that sends her down a dark path into London's gritty criminal underworld.
For other uses, see Calendar (disambiguation). For the Gregorian calendar for this year, see Leap year starting on Friday. A calendar is a system of organizing days for social, religious, commercial or administrative purposes. This is done by giving names to periods of time, typically days, weeks, months, and years. A date is the designation of a single, specific day within such a system. A calendar is also a physical record (often paper) of such a system.
Webster Dictionary(4.00 / 1 vote)Rate this definition: 1  Calendar(noun) an orderly arrangement of the division of time, adapted to the purposes of civil life, as years, months, weeks, and days; also, a register of the year with its divisions; an almanac.