Chronyd

Install:

sudo apt update

sudo apt install chrony

Start the Chrony service and enable to start on boot:

sudo systemctl start chrony

sudo systemctl enable chrony

Check the status of the service:

systemctl status chrony

Configure service - edit /etc/chrony/chrony.conf:

#pool 2.rhel.pool.ntp.org iburst

server 10.1.4.12 iburst

server 10.1.4.13 iburst

Activate NTP Service:

sudo timedatectl set-ntp true

Restart the service:

sudo systemctl restart chrony

Look at source time servers:

chronyc sources -v

View software clock information:

chronyc tracking

View time server statistics:

chronyc sourcestats

BONUS

To list all services:

systemctl list-unit-files

Disable autostart:

systemctl disable chronyd

Check if autostart is disabled:

systemctl is-enabled chronyd

https://techviewleo.com/how-to-configure-chrony-ntp-server-on-debian/