julian() – Convert a date to an integer which counts up by day

Synopsis

julian(date DATE) INT
julian(date TIMESTAMP) INT

Input

date

A DATE or a TIMESTAMP.

Description

Convert a date or a timestamp to a julian date. Supply this function with a DATE (or a TIMESTAMP) and it returns the integer that represents the given date as the number of days since a particular reference date. This number is known as the Julian date representation of the given date. (Day number 2,361,222 is September 14, 1752.) Legal values for the date are between September 14, 1752 and December 31, 9999, inclusive.

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