Here are the quick steps:
Backup the /etc/localtime just in case....rest of the steps are straight forward.
test-suse11:~ # rm /etc/localtime
rm: remove regular file `/etc/localtime'? y
test-suse11:~ # ln -s /usr/share/zoneinfo/America/Los_Angeles /etc/localtime
test-suse11:~ # date
Fri Apr 25 15:41:38 PDT 2014
test-suse11:~ # hwclock
Fri Apr 25 22:45:21 2014 -1.042860 seconds
test-suse11:~ # hwclock -w
test-suse11:~ # hwclock
Fri Apr 25 15:41:59 2014 -1.044826 seconds
