/BEFORE=date-time

    Specifies that only those events dated earlier than the stated
    date and time are to be selected for the report.

    Date-time specifies that only those events dated earlier than
    the stated date and time are to be selected for the report. You
    can specify an absolute time, a delta time, or a combination of
    absolute and delta times. See the OpenVMS System Manager's Manual
    for details on specifying times.

    If you omit a date and time, TODAY is used.