How to update server’s time

I did it on OpenVZ server and it works like a charm

rm -fv /etc/localtime
ln -s /usr/share/zoneinfo/GMT /etc/localtime
or
ln -s /usr/share/zoneinfo/CST6CDT /etc/localtime

Note the sym link may not work, so just copy file physically

Set date and sync it on hardware

date 081209312016
hwclock --systohc

The syntax is `date MMDDhhmmYYYY`.