padding between events

Hi,

I have defined the timeline view, in a  step of 15 min.  The events are not displaying correctly. I believe it is something to do with cell padding.  The events which I have given are

{isrecurring:“1”, ec:“0”, rot_id:“2273”, key:“3-6-0”,start_date: “2012/10/28 02:05”,end_date: “2012/10/28 09:05”, text:“SHJ-TRV[]”, section_id:3, clr:“1”}
,{isrecurring:“1”, ec:“0”, rot_id:“2273”, key:“3-6-0”,start_date: “2012/10/28 09:05”,end_date: “2012/10/28 09:50”, text:“GT”, section_id:3, clr:“0”}
,{isrecurring:“1”, ec:“0”, rot_id:“2273”, key:“3-6-0”,start_date: “2012/10/28 09:50”,end_date: “2012/10/28 11:55”, text:“TRV-SHJ[]”, section_id:3, clr:“1”}
,{isrecurring:“1”, ec:“0”, rot_id:“2273”, key:“3-6-0”,start_date: “2012/10/28 11:55”,end_date: “2012/10/28 12:45”, text:“GT”, section_id:3, clr:“0”}
,{isrecurring:“1”, ec:“0”, rot_id:“2274”, key:“3-6-0”,start_date: “2012/11/4 02:05”,end_date: “2012/11/4 09:05”, text:“SHJ-TRV[]”, section_id:3, clr:“1”}
,{isrecurring:“1”, ec:“0”, rot_id:“2274”, key:“3-6-0”,start_date: “2012/11/4 09:05”,end_date: “2012/11/4 09:50”, text:“GT”, section_id:3, clr:“0”}
,{isrecurring:“1”, ec:“0”, rot_id:“2274”, key:“3-6-0”,start_date: “2012/11/4 09:50”,end_date: “2012/11/4 11:55”, text:“TRV-SHJ[]”, section_id:3, clr:“1”}
,{isrecurring:“1”, ec:“0”, rot_id:“2274”, key:“3-6-0”,start_date: “2012/11/4 11:55”,end_date: “2012/11/4 12:45”, text:“GT”, section_id:3, clr:“0”}

I have attached the output. Please advice me where i have went wrong. The first Event and the GT event have huge gaps, which it should not be.

thanks,
Moorthi.