Hi Selva,
For setting the Date to the UI, make sure your entity is having the date field in Edm.DateTime type and your model is having date field in PT format, for eg. PT14H01M00S.
For more clarity, pls see this link
http://scn.sap.com/community/developer-center/front-end/blog/2013/04/28/working-with-odata-dates
Also let us know if you are getting any error in your browser console while setting the date to UI control.
Thanks
Naveenraj