File timesyncd.conf of Package swsnr-linux-base
[Time] # Prefer my internet provider, and fall back to the NTP pool (geolocated) NTP=ntp1.t-online.de pool.ntp.org
[Time] # Prefer my internet provider, and fall back to the NTP pool (geolocated) NTP=ntp1.t-online.de pool.ntp.org