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DATE ISOymd = 20140901 = 2014 09 01 on the Gregorian Calendar
= September01, 2014 (Monday)
JD = 2456902 = Standard Calendrical JD number for Gregorian date
Gregorian Calendar Date = Julian Date + 13 days
Note that the corresponding days of the week are the same on both
calendars no matter the number of days difference between them.
© Jay Tanner - PHP Science Labs - 2014 - v1.01