Steps to duplicate:

Create a posted appointment for Monday 8am lasting 60(!) hours.
Shows just fine: Ends on Wed 20pm

Create a posted appointment for Monday 8am lasting 80(!) hours.
Appointment does shows on Mon, Tue and Thu but is missing on Wed in the daily and weekly view. (Monthly view is fine)

Was this the same with GW7 and nobody cared to fix?
Georg