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Alternative forms[edit]


From Middle English kalender, from Old French calendier, from Latin calendarium (account book), from kalendae (the first day of the month), from calō (to announce solemnly, to call out (the sighting of the new moon)), from Proto-Indo-European *kelh₁-. Doublet of calendarium.



calendar (plural calendars)

  1. Any system by which time is divided into days, weeks, months, and years.
    The three principal calendars are the Gregorian, Jewish, and Islamic calendars.
  2. A means to determine the date consisting of a document containing dates and other temporal information.
    Write his birthday on the calendar hanging on the wall.
  3. A list of planned events.
    The club has a busy calendar this year.
  4. An orderly list or enumeration of persons, things, or events; a schedule.
    a calendar of bills presented in a legislative assembly;  a calendar of causes arranged for trial in court
    • 1625, Francis [Bacon], “Of Seditions and Troubles. XV.”, in The Essayes [], 3rd edition, London: [] Iohn Haviland for Hanna Barret, →OCLC, page 76:
      Shepherds of People, had need know the Kalenders of Tempeſts in State; which are commonly greateſt, when Things grow to Equality; As naturall Tempeſts are greateſt about the Æquinoctia.
    • 1963, Margery Allingham, “Eye Witness”, in The China Governess: A Mystery, London: Chatto & Windus, →OCLC, page 249:
      The story struck the depressingly familiar note with which true stories ring in the tried ears of experienced policemen. [] The second note, the high alarum, not so familiar and always important since it indicates the paramount sin in Man's private calendar, took most of them by surprise although they had been well prepared.
  5. (US) An appointment book (US), appointment diary (UK)

Usage notes[edit]

  • Calendar should not be confused with calender.



Derived terms[edit]


  • Tok Pisin: kalenda
  • Japanese: カレンダー (karendā)
  • Korean: 카렌더 (karendeo)
  • Swahili: kalenda


The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.


calendar (third-person singular simple present calendars, present participle calendaring, simple past and past participle calendared)

  1. (law) To set a date for a proceeding in court, usually done by a judge at a calendar call.
    The judge agreed to calendar a hearing for pretrial motions for the week of May 15, but did not agree to calendar the trial itself on a specific date.
  2. To enter or write in a calendar; to register.
    • 1594–1597, Richard Hooker, edited by J[ohn] S[penser], Of the Lawes of Ecclesiastical Politie, [], London: [] Will[iam] Stansby [for Matthew Lownes], published 1611, →OCLC, (please specify the page):
      Wee are generally more apt to Kalender Saints then Sinners dayes.


See also[edit]

Further reading[edit]



Alternative forms[edit]


Borrowed (in this form) from Latin calendārium. Compare the inherited doublet cărindar.



calendar n (plural calendare)

  1. calendar
  2. almanac
    Synonym: almanah


Related terms[edit]