public void update(Observable o, Object arg) {
		yearLabel.setText("Year " + c.getYear());
		monthLabel.setText("Month: " + c.getMonth().print());
		weekLabel.setText("Week: " + c.getWeek().print());
		dayLabel.setText("Day: " + c.getDay().print());
		timeOfDayLabel.setText("Time: " + c.getTimeOfDay().print());
	}