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Julian day number is the number of days since _____

Julian day number is the number of days since _____ Correct Answer January 1, 4713 BC

The Julian day number is the number of days since the noon on January 1, 4713 BC as per Universal Time. It counts the days elapsed since the mentioned date & finds use in astronomy and software purposes. Julian Day Number (JDN) is an integer value denoting each solar day passed.

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