Library /sys$common/syshlp/tcpip$ucp_help.hlb SET, BOOTP, Qualifiers, /TIME_OFFSET  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /TIME_OFFSET=seconds

    Optional. Default: 0 seconds.

    Specifies the time difference, in seconds, between the client's
    time zone and Universal Coordinated Time (UTC) expressed in
    seconds. This value is zero (0) in the British Isles and parts
    of Europe, a positive number for locations east of the zero
    meridian, and a negative number for locations west of the zero
    meridian.