What is it about?
An article in Encyclopedia of Astronomers.
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Why is it important?
The man, convert from Judaism to Islam, who fixed a favorable day for foundation of Baghdad, symbolizes the epoch. I believe the man lent his astronomical expertise to the bringing Jewish calendar to its present form.
Read the Original
This page is a summary of: Māshā’allāh Ibn Atharī (Sāriya), January 2014, Springer Science + Business Media,
DOI: 10.1007/978-1-4419-9917-7_907.
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