Thanks : Updated procedure (for Fedora without chronyd/ntpd running already) :
# yum install chrony
# systemctl enable chronyd.service
# systemctl start chronyd.service
Sorry if the (working) pointers before were horrible. Hopefully this is more useful - the servers used are {N}.fedora.pool.ntp.org.
I thought redhat installed ntpd or chrony by default. I know chrony is the default for the next fedora release. If you have ntpd/chronyd installed your advice is horrible and not just because you pointed everyone to Virginia Tech's time server.