How to show end time  and Location in  Calendar

Hello to every one.

I'm new in Sugar CRM.
We are using SugarCRM 6.5.20 version  and I have a problem .

When we will open Calendar in month view, we can see  that it shows as an start time of the meeting and the subject name of the  Meeting.

Now, what I need is to add end_time and Location In the same view  of the Calendar .

Maybe some one already have  done 
Pls help me if some one can . 

Thank you a lot in advance ,
Dimitrij.