# calendar

Pronunciation: US say "KAL-uhn-der" /ˈkæl.ən.dɚ/; UK say "KAL-uhn-duh" /ˈkæl.ən.də/

## Noun

1. A document that shows the dates and other information about time, used for finding out what the date is.
   - Simple: A sheet or book that shows the dates, so you can see what day it is.
   - _He circled the date of the exam on the calendar above his desk._
   - _The bank gives out free calendars to its customers every December._
2. A book in which a person keeps track of their appointments and engagements. *(US)*
   - Simple: A book where you write down your appointments, like meetings and visits to the doctor.
   - _My calendar is full until Thursday, but I could meet you Friday morning._
   - _His assistant penciled the meeting into his calendar for ten o'clock._
3. Any system for dividing time into days, weeks, months, and years.
   - Simple: A way of dividing time into days, weeks, months, and years.
   - _Under the Julian calendar, the year ran slightly longer than the solar year, so the dates slowly drifted._
   - _The Islamic calendar follows the moon, so Ramadan comes about eleven days earlier each year._
4. A list of events that are planned to take place, such as a club's activities for the year.
   - Simple: A list of things that are planned to happen, like a club's events for the year.
   - _The theater's fall calendar includes two new plays and a holiday concert._
   - _With six tournaments in eight weeks, the team's calendar leaves little room for rest._
5. An orderly list or schedule of people, things, or events, such as the bills before a legislature or the cases set for trial.
   - Simple: A list of people, things, or events, put in order, like the cases a court will hear.
   - _The House clerk posted the calendar of bills awaiting a floor vote._
   - _Historians still rely on the calendar of the abbey's charters compiled a century ago._

## Verb

6. To enter something in a calendar, or to record it in a register.
   - Simple: To write something down in a calendar or on an official list.
   - _Please calendar the board meeting for the second Tuesday of each month._
   - _The office manager calendars every deadline as soon as a contract is signed._
7. To set the date of a court proceeding, which a judge usually does at a calendar call.
   - Simple: To pick the date for a hearing or trial in court, usually done by a judge.
   - _The judge declined to calendar the trial until both sides had finished discovery._
   - _The magistrate calendared the suppression hearing for the first week of March._

## Origin

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", as of the sighting of the new moon), from Proto-Indo-European *kelh₁-. It is a doublet of calendarium.

Source: DictionaryAI, https://dictionaryai.com/define/calendar (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).