https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=j5dstbjp4ta8kuq60cov6n1os5&action=none&dz=1715494330&raum_id%5B0%5D=7346&show=belegung&start_date=2024-05-16&view=day21.09.2024 23:01:00