# Calendar chart

Calendars as a visual tool are used to display periods of time and to display the organization of events. Periods of time are often displayed and divided into units such as days, weeks, months and years. A date is the designation of a single, specific day within such a system. 

<figure><img src="/files/7q2UhqvUzBuyeBLFUqpi" alt=""><figcaption></figcaption></figure>


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