Edit the /etc/systemd/timesyncd.conf file. Uncomment the lines after [time]: [Time] NTP= FallbackNTP=0.arch.pool.ntp.org 1.arch.pool.ntp.org 2.arch.pool.ntp.org 3.arch.pool.ntp.org RootDistanceMaxSec=5 PollIntervalMinSec=32 PollIntervalMaxSec=2048 ConnectionRetrySec=30 SaveIntervalSec=60 Restart the systemd-timesyncd service: sudo systemctl restart systemd-timesyncd update timedatectl sync setup: sudo timedatectl set-ntp true