Library /sys$common/syshlp/helplib.hlb  —  RTL Routines, LIB$  LIB$DAY
    The Day Number Returned as a Longword Integer routine returns the
    number of days since the system zero date of November 17, 1858,
    or the number of days from November 17, 1858, to a user-supplied
    date.

    Format

      LIB$DAY  number-of-days [,user-time] [,day-time]
Additional Information: explode extract
Returns Arguments
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