We are not aware of this issue and was not able to reproduce this behavior at our side. It appears that the whole first week is missing. Could you provide some more info on your project, what properties do you have set on the RadScheduleView and MonthViewDefinition? Are you using the FirstDayOfWeek, VisibleDays properties? It will be best if you could send us a sample code in a new support thread, this will greatly help us to reproduce and fix the problem.
the Telerik team
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