Update time zone in Linux

date
Thu Nov 27 19:40:33 EST 2014

ls -l /etc/localtime
lrwxrwxrwx 1 root root 39 Nov 27 19:40 /etc/localtime -> /usr/share/zoneinfo/Australia/Melbourne

unlink /etc/localtime

ln -s /usr/share/zoneinfo/Asia/Kolkata /etc/localtime

ls -l /etc/localtime
lrwxrwxrwx 1 root root 32 Nov 27 14:08 /etc/localtime -> /usr/share/zoneinfo/Asia/Kolkata

date
Thu Nov 27 14:09:15 IST 2014

Ref:- http://www.linuxnix.com/2014/11/linuxunix-how-update-timezone-in-a-system.html?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+TheLinuxJuggernaut+%28The+Linux+Juggernaut%29