int ssecond = (int) (time_elapsed / 1000) % 60;
  int mminute =(int) (time_elapsed / (1000 * 60)) % 60;
  int hhour = (int)((time_elapsed / (1000 * 60 * 60)) % 24);
  //  tm.Hour = (Hour + hhour) % 24;
  //  tm.Minute = (Min + mminute) % 60;
  //  tm.Second = (Sec + ssecond) % 60;
  tm.Hour = hhour;
  tm.Minute = mminute;
  tm.Second = ssecond;