Setting up daylight saving

 

If you have not already, install ntp (ntpd)
Run time-admin (under System -> Time and Date)
Add the time server pool.ntp.org

To update your clock there and then run:
sudo /etc/init.d/ntp stop
sudo ntpdate pool.ntp.org
sudo /etc/init.d/hwclock.sh restart
sudo /etc/init.d/ntp-server start