ntpdate is a computer program used to quickly synchronize and set computers' date and time by querying a Network Time Protocol (NTP) server. It is available for a wide variety of

unix Unix (; trademarked as UNIX) is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, whose development started in 1969 at the Bell Labs research center by Ken Thompson, Dennis Ritchie, an ...

-like operating systems. The accuracy and reliability of ntpdate entirely depends on the accuracy and network link stability of the first server it connects with. As this inaccuracy can lead to a multitude of problems, the maintainers have decided to deprecate it in favor of only using the

ntpd 


The Network Time Protocol daemon (ntpd) is an  operating system program that maintains the system time in synchronization with time servers using the Network Time Protocol (NTP).
 Description
The ntpd program is an operating-system  daemon that s ...

(network time protocol daemon) or a sntp (simple network time protocol) query.

References

External links

NTP.org — Home page of the Network Time Protocol
Network time-related software {{compu-prog-stub