VMS Help RUN, Process, Qualifiers, /SCHEDULE  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /SCHEDULE=absolute-time

    Places the created process in hibernation and awakens it at the
    specified time.

    Specify the absolute time value according to the rules for
    entering absolute time values given in the OpenVMS User's Manual
    or the online help topic DCL_Tips (subtopic Date_Time).