gistfile1.txt

[root@ceres:~]# systemctl status hydra-packet-import.timer
● hydra-packet-import.timer - Update the list of Hydra machines from Packet.net
     Loaded: loaded (/nix/store/1m43y5bz09jjg20xycxn2iaah5d96d19-unit-hydra-packet-import.timer/hydra-packet-import.timer; enabled; vendor preset: enabled)
     Active: active (running) since Mon 2021-02-22 15:30:28 CET; 1 weeks 1 days ago
    Trigger: n/a
   Triggers: ● hydra-packet-import.service

Warning: journal has been rotated since unit was started, output may be incomplete.

[root@ceres:~]# systemctl list-timers
NEXT                        LEFT          LAST                        PASSED       UNIT                         ACTIVATES                     
Wed 2021-03-03 14:25:00 CET 1min 10s left Wed 2021-03-03 14:20:00 CET 3min 49s ago hydra-check-space.timer      hydra-check-space.service     
Wed 2021-03-03 15:05:00 CET 41min left    Wed 2021-03-03 14:05:00 CET 18min ago    logrotate.timer              logrotate.service             
Wed 2021-03-03 15:15:00 CET 51min left    Wed 2021-03-03 09:15:00 CET 5h 8min ago  nix-gc.timer                 nix-gc.service                
Wed 2021-03-03 15:30:34 CET 1h 6min left  Tue 2021-03-02 15:30:34 CET 22h ago      systemd-tmpfiles-clean.timer systemd-tmpfiles-clean.service
Wed 2021-03-03 23:46:02 CET 9h left       Tue 2021-03-02 04:50:57 CET 1 day 9h ago acme-hydra.nixos.org.timer   acme-hydra.nixos.org.service  
Thu 2021-03-04 02:35:00 CET 12h left      Wed 2021-03-03 02:35:00 CET 11h ago      fstrim.timer                 fstrim.service                
Sun 2021-03-07 01:45:00 CET 3 days left   Sun 2021-02-28 01:45:04 CET 3 days ago   hydra-compress-logs.timer    hydra-compress-logs.service   
n/a                         n/a           Tue 2021-03-02 05:00:04 CET 1 day 9h ago hydra-packet-import.timer    hydra-packet-import.service   
n/a                         n/a           Wed 2021-03-03 14:15:00 CET 8min ago     hydra-update-gc-roots.timer  hydra-update-gc-roots.service 

9 timers listed.
Pass --all to see loaded but inactive timers, too.

[root@ceres:~]# systemctl cat hydra-packet-import.timer
# /nix/store/1m43y5bz09jjg20xycxn2iaah5d96d19-unit-hydra-packet-import.timer/hydra-packet-import.timer
[Unit]
Description=Update the list of Hydra machines from Packet.net

[Timer]
OnCalendar=*:0/5