Package chrony

An NTP client/server

https://chrony.tuxfamily.org

A client/server for the Network Time Protocol, this program keeps your
computer's clock accurate. It was specially designed to support
systems with intermittent internet connections, but it also works well
in permanently connected environments. It can use also hardware reference
clocks, system real-time clock or manual input as time references.

General Commands
Command Description
chronyc command-line interface for chrony daemon
File Formats
File Description
chrony.conf chronyd configuration file
System Administration
Command Description
chronyd chrony daemon