# calendar

> English word · Noun · IPA /ˈkæl.ən.də/ · frequency rank #4,288

## Definitions
1. Any system by which time is divided into days, weeks, months, and years.
2. A means to determine the date consisting of a document containing dates and other temporal information.
3. A list of planned events.
4. An orderly list or enumeration of persons, things, or events; a schedule.
5. An appointment book (US), appointment diary (UK)

## Etymology
Etymology tree
Old French calendierbor.
Middle English kalender
English calendar
From Middle English kalender, from Old French calendier, from Latin calendarium (“account book”), from kalendae (“the first day of the month”), from kalō (“to announce solemnly, to call out (the sighting of the new moon)”), from Proto-Indo-European *kelh₁-. Doublet of calendarium.
Displaced native Old English rīmbōc and ġerīmbōc.

## Common misspellings (12)
`aclendar`, `caelndar`, `calednar`, `calenadr`, `calendarr`, `calenddar`, `calendra`, `calenndar`, `callendar`, `calnedar`, `ccalendar`, `claendar`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/calendar