The localtime setting is store in the file /etc/localtime
1. Backup the existing Local Time setting
# mv /etc/localtime /etc/localtime.bak
2. The directory for others Local Time /usr/share/zoneinfo. We need to do the soft link to this location. eg. Kuala Lumpur Time Zone.
# ln -s /usr/share/zoneinfo/Asia/Kuala_Lumpur /etc/localtime
3. Check the current date by typing command :
# date
Tue May 5 10:40:51 MYT 2015