code: @Deprecated
    public static int getUTMZoneForLongitude(double lon) {
  
      if (lon < -180 || lon > 180)
        throw new IllegalArgumentException(
            "Coordinates not within UTM zone limits");
  
      int lonZone = (int) ((lon + 180) / 6);
  
      if (lonZone == 60)
        lonZone--;
      return lonZone + 1;
    }
docs: /*
  Taken from OneBusAway's UTMLibrary class