shell-things/etc/systemd/system/matterbridge-restart.timer

[Unit]
Description=Execute Matterbridge restarter daily between 05-06 Finnish time

[Timer]
OnCalendar=*-*-* 05:00:00 Europe/Helsinki
#OnBootSec=0
RandomizedDelaySec=1h
Persistent=true

[Install]
WantedBy=timers.target