[Unit]
Description=Run the Knoebels weather sync every 6 hours

[Timer]
# Every 6 hours (00/06/12/18 ET). past_days=7 means each run refreshes the
# last week, so a missed run self-heals and provisional values get refined.
OnCalendar=*-*-* 00/6:00:00
Persistent=true
RandomizedDelaySec=300

[Install]
WantedBy=timers.target