Date date = object.getDate("InProgressTime");
                        Log.e("From date",""+ date);

                        txtInprogress.setText(""+ date);

Date date = object.getDate("CompletedTime");
                        Log.e("From date",""+ date);

                        txtCompleted.setText(""+ date);

Date before = (Date) sdf.parse(mFirstDateTime);
Date now = new Date();
long diffTimeInMiliSecond = now.getTime() - before.getTime();
diffTimeInSecond = diffTimeInMiliSecond/1000;