/sys$common/syshlp/helplib.hlb JOB, Qualifiers, /AFTER  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /AFTER=time

    Holds the job until the specified time. If the specified time has
    already passed, the job is queued for immediate processing.

    The time can be specified as either absolute time or a
    combination of absolute and delta times. For complete information
    on specifying time values, refer to the OpenVMS User's Manual or
    the online help topic DCL_Tips (subtopic Date_Time).