FUJITSU SPARC ENTERPRISE M9000 - Manual (Page 333)

settimezone(8)
System Administration 309
the first Sunday of April 0:00(JST) to the first Sunday of September 0:00(JDT).
EXAMPLE 5 Deletes the Daylight Saving Time information of current settings.
EXIT STATUS The following exit values are returned:
SEE ALSO setdate(8) , showdate(8), showtimezone(8)
XSCF> settimezone -c adddst -b JST -o GMT-9 -d JDT -p GMT-10 -f
M4.1.0/00:00:00 -t M9.1.0/00:00:00
JST-9JDT-10,M4.1.0/00:00:00,M9.1.0/00:00:00
XSCF> settimezone -c deldst -b JST -o GMT-9
0 Successful completion.
>0 An error occurred.