retrieving single date events from SP calendar List using JS

here am trying to fetch single date events from javascript in sharepoint hosted app but the code am using that returns all events of SP calendar list

 

var ctx = new SP.ClientContext(appWebUrl);//Get the SharePoint Context object based upon the URL var myList = ctx.get_web().get_lists().getByTitle("MyList"); function retrieveBookingDetails() { var Date ="09/01/2016"; var query = new SP.CamlQuery();     query.set_viewXml('' + Date + '" + "'); var items = myList.getItems(query);      ctx.load(items); );     ctx.executeQueryAsync(onQuerySucceeded, onQueryFailed); function onQuerySucceeded() { ---- ------- } function onQueryFailed(sender, args) {         alert('Request failed. ' + args.get_message() + '\n' + args.get_stackTrace()); } }