time
timedatectl set-timezone Europe/London
timedatectl
nano /etc/systemd/timesyncd.conf
Add the NTP server to the end, example:
NTP=10.20.10.1
systemctl restart systemd-timesyncd && timedatectl timesync-status
timedatectl timesync-status
nano /etc/chrony/sources.d/customs.sources
server 192.168.0.227 iburst
pool time.cloudflare.com iburst
chronyc reload sources
chronyc sources list