kazulog@sv1:~$ cat /etc/os-release | head -2
PRETTY_NAME="Ubuntu 26.04 LTS"
NAME="Ubuntu"
kazulog@sv1:~$ date
Fri Sep 11 16:35:29 JST 2026
kazulog@sv1:~$ chronyc tracking
Reference ID    : C0A86401 (192.168.100.1)
Stratum         : 4
Ref time (UTC)  : Fri Sep 11 07:34:33 2026
System time     : 0.000057262 seconds slow of NTP time
Last offset     : -0.000514175 seconds
RMS offset      : 85.380691528 seconds
Frequency       : 1.050 ppm fast
Residual freq   : -2.920 ppm
Skew            : 25.310 ppm
Root delay      : 0.004045914 seconds
Root dispersion : 0.007133067 seconds
Update interval : 65.2 seconds
Leap status     : Normal
kazulog@sv1:~$ chronyc sources -v | tail -3
MS Name/IP address         Stratum Poll Reach LastRx Last sample
===============================================================================
^* 192.168.100.1                 3   6   377    61  -1154us[-1668us] +/-   11ms
kazulog@sv1:~$ timedatectl
               Local time: Fri 2026-09-11 16:35:40 JST
           Universal time: Fri 2026-09-11 07:35:40 UTC
                 RTC time: Fri 2026-09-11 07:35:40
                Time zone: Asia/Tokyo (JST, +0900)
System clock synchronized: yes
              NTP service: active
          RTC in local TZ: no