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The origin of the Julian Period: An application of congruences and the Chinese Remainder Theorem

 

作者: Ronald Lane Reese,   Steven M. Everett,   Edwin D. Craun,  

 

期刊: American Journal of Physics  （AIP Available online 1981）
卷期: Volume 49, issue 7  

页码: 658-661

 

ISSN:0002-9505

 

年代: 1981

 

DOI:10.1119/1.12442

 

出版商: American Association of Physics Teachers

 

关键词: TIME MEASUREMENT;HISTORY;ORIGIN

 

数据来源: AIP

 

摘要:

In 1583, Joseph Justus Scaliger introduced the Julian Period of 7980 years, which is the basis of the Julian Day system of counting days sequentially from 1 January 4713 BC. It is not commonly known how this date was chosen as the origin of the system. This paper formulates the problem as an application of the theory of congruences and the Chinese Remainder Theorem. Scaliger’s interesting original solution to the problem is also reviewed.

 

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