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IMSL_DAYSTODATE

IMSL_DAYSTODATE

IMSL_DAYSTODATE

The IMSL_DAYSTODATE procedure gives the date corresponding to the number of days since January 1, 1900.

The IMSL_DAYSTODATE procedure computes the date corresponding to the number of days since January 1, 1900. For a negative input value of days, the date computed is prior to January 1, 1900. This procedure is the inverse of the IDL Advanced Math and Stats IMSL_DATETODAYS function.

The Gregorian calendar’s first day after October 4, 1502, which became October 15, 1582. Prior to that, the Julian calendar was in use.



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