A schedule is an arrangement of sorting out days for social, strict, business or authoritative purposes. This is finished by offering names to timeframes, commonly days, weeks, months and years. A date is the assignment of a solitary, explicit day inside such a framework. A schedule is additionally a physical record (frequently paper) of such a framework. A schedule can likewise mean a rundown of arranged occasions, for example, a court schedule or a mostly or completely sequential rundown of reports, for example, a schedule of wills. 

Periods in a schedule, (for example, years and months) are for the most part, however not really, synchronized with the pattern of the sun or the moon. The most widely recognized kind of pre-present day schedule was the lunisolar schedule, a lunar schedule that incidentally adds one intercalary month to stay synchronized with the sun based year over the long haul.