Sending outlook meeting request from SAP

Dear All

I used the below link to send the microsoft outlook meeting request from SAP
https://wiki.scn.sap.com/wiki/display/Snippets/SAP+ABAP+to+Outlook+Calendar+Entry

everything working fine except the time which iam passing not reflecting in outlook.

below are lines of code which i have used for displaying date and time in outlook

CONCATENATE 'DTSTART:' p_begda 'T140000Z' INTO ls_soli-line. APPEND ls_soli TO lt_soli. CONCATENATE 'DTEND:' p_endda 'T220000Z' INTO ls_soli-line.

please help in this regards.