settimezone(8)
System Administration 223
-o offset Specifies the offset of time zone and Greenwich mean time
(GMT). You can specify offset in the following format.
GMT{+|–}hh[:mm[:ss]]
GMT Greenwich mean time
{+|–} Specifies "–" to set the standard time to the
time which is ahead of GMT. (To adjust to
the local time east to Greenwich, the offset is
a negative value.)Specifies "+" to set the
standard time to the time which is behind
the GMT. (To adjust to the local tome west to
Greenwich, the offset is a positive value.)
hh[:mm[:ss]] Specifies the offset time. hh is 00–24, mm is
00–59, ss is 00–59.