Package: ntp

"ntp" package binaries on CentOS:

/usr/bin/ntpstat /usr/sbin/ntpdc /usr/sbin/ntpd /usr/sbin/ntp-keygen /usr/sbin/ntpq /usr/sbin/ntptime /usr/sbin/tickadj

You may install this package on CentOS with yum install ntp

"ntp" package binaries on Debian:

/usr/bin/ntpdc /usr/bin/ntpq /usr/bin/ntpsweep /usr/bin/ntptrace /usr/bin/sntp /usr/sbin/ntpd /usr/sbin/ntp-keygen /usr/sbin/ntptime /usr/sbin/ntp-wait

You may install this package on Debian with apt-get install ntp