[Unit]
Description=Website maintenance hourly cron job

[Timer]
Persistent=true
# Run every hour, except for 10am UTC (see the @daily timer), when the
# @daily timer runs instead.
OnCalendar=*-*-* 0..9,11..23:00:00 UTC
RandomizedDelaySec=1h

[Install]
WantedBy=default.target