If your company is in country A; the data center is having timezone B; your customers are in country Y; and say their users are in country Z.
In this case you canÂ try Universal Co-ordinated Time (UTC).
Please edit the file /etc/sysconfig/clock as
and change the UTC line as
You can set localtimezone to UTC as
ln -sf /usr/share/zoneinfo/UTC /etc/localtime
If you want to set your timezone other than UTC ,say your personal timezone, then you find that timezone under /usr/share/zoneinfo and link that to /etc/localtime as,
ln -sf /usr/share/zoneinfo/Country-name/City-name /etc/localtime.