Stop the NexOSS application.
$ cd $NexOSS_HOME/unix/run
$ ./stop_NexOSS.sh
Become user root and edit the system clock file (/etc/sysconfig/clock).
Change this
[ossadmin@linux ~]$ vi /etc/sysconfig/clock
ZONE="America/New_York"
UTC=false
ARC=false
to this
[ossadmin@nexoss ~]$ cat /etc/sysconfig/clock
ZONE="Etc/UTC"
UTC=true
ARC=false
Reboot the system.