Configure Time and Date Settings in Windows 2008 Server Core :
1. On the server running a Server Core installation, type the following
command at a command prompt: Control timedate.cpl
This will fire up the Time and Date Control Panel applet
(one of two .CPL survivors on Server Core…)
2. In order to change the clock and date, press the Change Date and Time button
3. In order to change the time zone, press the Change Time Zone button.
4. When done, press Ok to close the applet.