Date and Time issue in SAP SUP..

Hi Experts,

Could you please help me to solve my date time issue.

I am totally new for SUP and i am getting error while creating travel request

I am creating travel request passing the fields as input (Emp Id., Travel Start Date, Travel End Date, Travel Start Time,.... etc) and on clicking create travel request button i am getting an error System.FormatException: String was not recognized as a valid DateTime.

Please find attachment for same and kindly help me to resolve my issue.

Thanks a ton in advance..