systemd/user/vdirsyncer.timer

   1 [Unit]
   2 Description=vdirsyncer timer
   3
   4 [Timer]
   5 OnBootSec=5m
   6 OnUnitActiveSec=3h
   7 Unit=vdirsyncer.service
   8
   9 [Install]
  10 WantedBy=timers.target