From http://stackoverflow.com/questions/1555262/calculating-the-difference-between-two-java-date-instances

joda.java

public class Joda implements Directions
{ 
	public static void main(String [] args)
	{
	  
	  // From http://stackoverflow.com/questions/1555262/calculating-the-difference-between-two-java-date-instances
	  
		Interval interval = new Interval(oldTime, new Instant());
		
		
		Days d = Days.daysBetween(startDate, endDate);
    int days = d.getDays();
		
	}

}