CalendarView.DayStartHour
From Jeremie Leroy - XOJO Controls Wiki
Property (As Single)
If this property is different than 0.0, the hours from midnight to DayStartHour will be darkened.The default value is 6.0==Example==This example sets the DayStartHour to 8 AM.<rbcode>me.DayStartHour=8.0</rbcode>