OpenNTPD

OpenNTPD - Lightweight NTP server ported from OpenBSD

Emerge
Install OpenNTPD:

OpenRC
Start the ntp daemon:

Add the ntp daemon to the default runlevel:

systemd
OpenNTPD does not work with systemd. See systemd-timesyncd instead.

Configuration
The default configuration file for OpenNTPD:

For further information see :

Client
Alternatively sync the client to a server on the local network: