/** Converting from String to Date **/
fun String.getDateWithServerTimeStamp(): Date? {
 val dateFormat = SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'",
     Locale.getDefault())
 dateFormat.timeZone = TimeZone.getTimeZone("GMT")  // IMP !!!
 try {
  return dateFormat.parse(this)
 } catch (e: ParseException) {
  return null
}
/** Converting from Date to String**/
fun Date.getStringTimeStampWithDate(): String {
 val dateFormat = SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'",
     Locale.getDefault())
 dateFormat.timeZone = TimeZone.getTimeZone("GMT")
 return dateFormat.format(this)
}
/** TESTING **/
val dateString = "2018-01-09T07:06:41.747Z"
val date = dateString.getDateWithServerTimeStamp()
Log.d("LOG", "String To Date Conversion " +date.toString())
val dateBackToString = date?.getStringTimeStampWithDate()
Log.d("LOG", "Date To String Conversion " +dateBackToString)
/** OUTPUT **/
String To Date Conversion Tue Jan 09 15:06:41 GMT+08:00 2018
Date To String Conversion 2018-01-09T07:06:41.747Z
/** NOTE: I am currently at GMT+08:00 **/