Linked from

The 24 pages that link to Calendar, each with the reason it gives.

• Ptolemaic systemRelated: Accurate models of the Sun’s motion supported calendar-making and seasonal prediction.

• ChronologyRelated: Calendars provide shared units for recording and comparing event dates.

• History of astronomyRelated: Tracking the Sun, Moon, and stars helped societies coordinate agriculture, festivals, and administration.

• Historical chronologyRelated: Calendars supply the recurring dates used to place historical events.

• Pin-upRelated: Calendar printing helped turn pin-up pictures into objects for year-round display.

• Seasonal cycleRelated: Calendars provide a framework for arranging seasonal subjects into recurring cycles.

• AlmanacRelated: Calendar tables provide the recurring structure around which many almanacs are arranged.

• Joseph Justus ScaligerRelated: Comparing calendar systems let Scaliger relate dates recorded by different societies.

• Microsoft OutlookRelated: Outlook calendars schedule meetings and share availability with other people.

• Period (time interval)Related: Calendar periods are conventional intervals, unlike cycle durations fixed by physical processes.

• TermRelated: Customary terms such as school sessions often take their boundaries from calendars.

• TimeRelated: Calendars coordinate human activity across recurring and extended periods.