Use au.pool.ntp.org as NTP Server
Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Parameters\NtpServer
b. In the right pane, right-click NtpServer, and then click Modify.
c. In Edit Value, type Peers in the Value data box, and then click OK.
No reason to be late this time!
Reference:
http://au.pool.ntp.org/
http://support.microsoft.com/kb/816042