// SAPUI5 formatters
var dateFormat = sap.ui.core.format.DateFormat.getDateInstance({pattern : "dd/MM/yyyy" });
var timeFormat = sap.ui.core.format.DateFormat.getTimeInstance({pattern: "KK:mm:ss a"});       
// timezoneOffset is in hours convert to milliseconds
var TZOffsetMs = new Date(0).getTimezoneOffset()*60*1000;
// format date and time to strings offsetting to GMT
var dateStr = dateFormat.format(new Date(FlightDate.getTime() + TZOffsetMs)); //05-12-2012
var timeStr = timeFormat.format(new Date(DepartureTime.ms + TZOffsetMs));  //11:00 AM
//parse back the strings into date object back to Time Zone
var parsedDate = new Date(dateFormat.parse(dateStr).getTime() - TZOffsetMs); //1354665600000  
var parsedTime = new Date(timeFormat.parse(timeStr).getTime() - TZOffsetMs); //39600000