From Fedora Project Wiki
system-config-date
What is system-config-date?
The system-config-date tool lets you set the date and time of your machine, alternatively configure an NTP timeserver and specify its timezone.
Download
Grab the latest source from the Mercurial repository
You can get the current source using the following command:
$ hg clone http://hg.fedoraproject.org/hg/system-config-date