code: public long getElapsedHours() {
  		long elapsed;
  		if (running) {
  			elapsed = (System.nanoTime() - startTime);
  		} else {
  			elapsed = (stopTime - startTime);
  		}
  		return elapsed / nsPerHh;
  	}
docs: Gets the total elapsed time measured by the current instance, in hours.
  36000000000 Ticks = 1 hour (60 minutes)