systemctl status systemd-timesyncd.service -l

● systemd-timesyncd.service - Network Time Synchronization
     Loaded: loaded (/lib/systemd/system/systemd-timesyncd.service; enabled; vendor preset: enabled)
     Active: active (running) since Thu 2022-01-13 06:41:34 CET; 2 weeks 4 days ago
       Docs: man:systemd-timesyncd.service(8)
   Main PID: 428950 (systemd-timesyn)
     Status: "Initial synchronization to time server 91.189.91.157:123 (ntp.ubuntu.com)."
      Tasks: 2 (limit: 76771)
     Memory: 4.9M
     CGroup: /system.slice/systemd-timesyncd.service
             └─428950 /lib/systemd/systemd-timesyncd

Jan 18 10:00:58 FIL-APPL02 systemd-timesyncd[428950]: Timed out waiting for reply from 91.189.91.157:123 (ntp.ubuntu.com).
Jan 18 10:01:08 FIL-APPL02 systemd-timesyncd[428950]: Timed out waiting for reply from 91.189.89.199:123 (ntp.ubuntu.com).
Jan 18 10:01:19 FIL-APPL02 systemd-timesyncd[428950]: Timed out waiting for reply from 91.189.94.4:123 (ntp.ubuntu.com).
Jan 18 10:03:36 FIL-APPL02 systemd-timesyncd[428950]: Initial synchronization to time server 91.189.89.198:123 (ntp.ubuntu.com).
Jan 18 10:05:55 FIL-APPL02 systemd-timesyncd[428950]: Timed out waiting for reply from 91.189.89.198:123 (ntp.ubuntu.com).
Jan 18 10:06:05 FIL-APPL02 systemd-timesyncd[428950]: Initial synchronization to time server 91.189.94.4:123 (ntp.ubuntu.com).
Jan 18 10:29:54 FIL-APPL02 systemd-timesyncd[428950]: Timed out waiting for reply from 91.189.94.4:123 (ntp.ubuntu.com).
Jan 18 10:30:00 FIL-APPL02 systemd-timesyncd[428950]: Initial synchronization to time server 91.189.89.199:123 (ntp.ubuntu.com).
Jan 18 10:47:58 FIL-APPL02 systemd-timesyncd[428950]: Timed out waiting for reply from 91.189.89.199:123 (ntp.ubuntu.com).
Jan 18 10:48:06 FIL-APPL02 systemd-timesyncd[428950]: Initial synchronization to time server 91.189.91.157:123 (ntp.ubuntu.com).