Results below. Every time you see chrony being started in the log it was done manually. The stops you see happened when a reboot was ordered.
root@beelink:~# systemctl status chrony
● chrony.service - chrony, an NTP client/server
Loaded: loaded (/usr/lib/systemd/system/chrony.service; enabled; preset: enabled)
Active: active (running) since Fri 2025-12-05 18:38:19 PST; 4min 35s ago
Invocation: 8f4c09b910ba4552a8df46bf37192368
Docs: man:chronyd(8)
man:chronyc(1)
man:chrony.conf(5)
Process: 145048 ExecStart=/usr/sbin/chronyd $DAEMON_OPTS (code=exited, status=0/SUCCESS)
Main PID: 145054 (chronyd)
Tasks: 2 (limit: 33404)
Memory: 1.9M (peak: 3.6M)
CPU: 83ms
CGroup: /system.slice/chrony.service
├─145054 /usr/sbin/chronyd -F 1
└─145055 /usr/sbin/chronyd -F 1
Dec 05 18:38:25 beelink chronyd[145054]: System clock TAI offset set to 37 seconds
Dec 05 18:38:25 beelink chronyd[145054]: Selected source 81.172.248.188 (2.debian.pool.ntp.org)
Dec 05 18:38:19 beelink systemd[1]: Started chrony.service - chrony, an NTP client/server.
Dec 05 18:38:19 beelink chronyd[145054]: Loaded seccomp filter (level 1)
Dec 05 18:38:19 beelink chronyd[145054]: Frequency -78.474 +/- 0.050 ppm read from /var/lib/chrony/chrony.drift
Dec 05 18:38:19 beelink chronyd[145054]: Using leap second list /usr/share/zoneinfo/leap-seconds.list
Dec 05 18:38:19 beelink chronyd[145054]: Loaded 1 symmetric keys
Dec 05 18:38:19 beelink chronyd[145054]: chronyd version 4.6.1 starting (+CMDMON +NTP +REFCLOCK +RTC +PRIVDROP +SCFILTER +SIGND +ASYNCDNS +NTS +SECHASH +IPV>
Dec 05 18:38:19 beelink systemd[1]: Starting chrony.service - chrony, an NTP client/server...
-- Boot 0315ebcb81334e63bf816a1bf78825d7 --
Dec 05 02:31:26 beelink chronyd[4778]: Source 74.208.25.46 replaced with 74.208.14.149 (2.debian.pool.ntp.org)
Dec 05 01:25:30 beelink chronyd[4778]: Selected source 141.11.89.193 (2.debian.pool.ntp.org)
Dec 05 01:23:21 beelink chronyd[4778]: Selected source 45.83.234.123 (2.debian.pool.ntp.org)
Dec 05 01:22:14 beelink chronyd[4778]: System clock TAI offset set to 37 seconds
Dec 05 01:22:14 beelink chronyd[4778]: Selected source 141.11.89.193 (2.debian.pool.ntp.org)
Dec 05 01:22:09 beelink systemd[1]: Started chrony.service - chrony, an NTP client/server.
Dec 05 01:22:09 beelink chronyd[4778]: Loaded seccomp filter (level 1)
Dec 05 01:22:09 beelink chronyd[4778]: Frequency -80.271 +/- 1.357 ppm read from /var/lib/chrony/chrony.drift
Dec 05 01:22:09 beelink chronyd[4778]: Using leap second list /usr/share/zoneinfo/leap-seconds.list
Dec 05 01:22:09 beelink chronyd[4778]: Loaded 1 symmetric keys
Dec 05 01:22:09 beelink chronyd[4778]: chronyd version 4.6.1 starting (+CMDMON +NTP +REFCLOCK +RTC +PRIVDROP +SCFILTER +SIGND +ASYNCDNS +NTS +SECHASH +IPV6 >
Dec 05 01:22:09 beelink systemd[1]: Starting chrony.service - chrony, an NTP client/server...
-- Boot 6c37fe1925e1488288dd06dd51c79c6e --
Dec 05 01:21:09 beelink systemd[1]: Stopped chrony.service - chrony, an NTP client/server.
Dec 05 01:21:09 beelink systemd[1]: chrony.service: Deactivated successfully.
Dec 05 01:21:09 beelink systemd[1]: Stopping chrony.service - chrony, an NTP client/server...
Dec 05 01:21:09 beelink chronyd[8138]: chronyd exiting
Dec 05 00:49:35 beelink chronyd[8138]: Selected source 5.161.191.31 (2.debian.pool.ntp.org)
Dec 05 00:47:26 beelink chronyd[8138]: Selected source 172.233.177.198 (2.debian.pool.ntp.org)
Dec 05 00:46:22 beelink chronyd[8138]: Selected source 5.161.191.31 (2.debian.pool.ntp.org)
Dec 05 00:46:20 beelink chronyd[8138]: System clock TAI offset set to 37 seconds
Dec 05 00:46:20 beelink chronyd[8138]: Selected source 172.233.177.198 (2.debian.pool.ntp.org)
Dec 05 00:46:15 beelink systemd[1]: Started chrony.service - chrony, an NTP client/server.
Dec 05 00:46:15 beelink chronyd[8138]: Loaded seccomp filter (level 1)
Dec 05 00:46:15 beelink chronyd[8138]: Frequency -79.219 +/- 2.450 ppm read from /var/lib/chrony/chrony.drift
Dec 05 00:46:15 beelink chronyd[8138]: Using leap second list /usr/share/zoneinfo/leap-seconds.list
Dec 05 00:46:15 beelink chronyd[8138]: Loaded 1 symmetric keys
Dec 05 00:46:15 beelink chronyd[8138]: chronyd version 4.6.1 starting (+CMDMON +NTP +REFCLOCK +RTC +PRIVDROP +SCFILTER +SIGND +ASYNCDNS +NTS +SECHASH +IPV6 >
Dec 05 00:46:14 beelink systemd[1]: Starting chrony.service - chrony, an NTP client/server...
-- Boot dd3f6e9b4dc7486b8cdbb1888e7b1563 --