/SINCE[=time]

    Selects only those files dated on or after the specified time.
    You can specify time as absolute time, as a combination of
    absolute and delta times, or as one of the following keywords:
    BOOT, JOB_LOGIN, LOGIN, TODAY (default), TOMORROW, or YESTERDAY.
    Specify one of the following time qualifiers with the /SINCE
    qualifier to indicate the time attribute to be used as the
    basis for selection: /BACKUP, /CREATED (default), /EXPIRED, or
    /MODIFIED.

    For complete information about specifying time values, see the
    OpenVMS User's Manual or the online help topic Date.