Calendar: How to limit the range of hours in Days display? I´m using the calendar module in d7.

In the  Day display it shows 01.00 to 23.00 in the hour column. How do I set it to be: 08.00 to 18.00?

I´m sure this is setteable in somewhere but I can´t find it...

I upload a picture which shows the hours to change:
Change the Settings of the Calendar format in the View and set the time grouping to custom.  In the box, specify the intervals/start times that you want to show up starting at the hour you want to start at.  See illustration below: