!!! Overview [1]
[{$pagename}] is a system of organising [days] for social, religious, commercial or administrative purposes. 

This is done by giving names to periods of [time], typically [days], [weeks], [Month] and [years]. A [date] is the designation of a single, specific [day] within such a system. 

[{$pagename}] is also a physical record (often paper) of such a system. 

[{$pagename}] can also mean a list of planned events, such as a court calendar or a partly or fully chronological list of documents, such as a calendar of wills.

!! More Information
There might be more information for this subject on one of the following:
[{ReferringPagesPlugin before='*' after='\n' }]
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* [#1] - [Calendar|Wikipedia:Calendar|target='_blank'] - based on information obtained 2017-10-14-