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calendar year

noun

Simple Definition of calendar year

  • : the period of time from January 1 to December 31

Source: Merriam-Webster's Learner's Dictionary

Full Definition of calendar year

  1. 1 :  a period of a year beginning and ending with the dates that are conventionally accepted as marking the beginning and end of a numbered year

  2. 2 :  a period of time equal in length to that of the year in the calendar conventionally in use

Circa 1909

First Known Use of calendar year

circa 1909


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