Flaxplax

Network Time Protocol

this will sync you system clock with the Internet.

systemd-timesyncd

systemd-timesyncd is a systemd ntp client

Start and enable with following command

  sudo systemctl enable --now systemd-timesyncd

NTPD

If you want to use ntpd install with following command:

  sudo pacman -S ntp

Then you have to start and enable it:

  sudo systemctl enable ntpd
  sudo systemctl start ntpd