[Inf-IT DAVcl] Obnoxious entry

A picture is said to say more than 1000 words, so how about a movie? http://www.squirrel.nl/pub/xfer/uploads/3Cqk3qc6NxdsHDBuJqJ4F-Pg.mp4 As you can see I can move the event to the previous day, but it just jumps back. This is the event data: BEGIN:VEVENT CREATED:20160108T221506Z LAST-MODIFIED:20160108T221634Z DTSTAMP:20160108T221634Z UID:de6p9q4k-rfmv-lr8e-uclb-ul6j2bsvokn9 SUMMARY:Inhalers vervangen✔ TRANSP:OPAQUE CLASS:PUBLIC RECURRENCE-ID;VALUE=DATE:20160108 DTSTART;VALUE=DATE:20160109 DTEND;VALUE=DATE:20160110 END:VEVENT -- Johan http://johan.vromans.org/seasons_greetings.html