public int daysSpan(final JulianDate otherDate) {
		int now = getJulianDayNumber();
		int then = otherDate.getJulianDayNumber();
		return now - then;
	}
public int daysSpan(final JulianDate otherDate) {
		int now = getJulianDayNumber();
		int then = otherDate.getJulianDayNumber();
		return now - then;
	}
public int daysSpan ( final JulianDate otherDate ) { int now = getJulianDayNumber ( ) ; int then = otherDate . getJulianDayNumber ( ) ; return now - then ; }
Returns span between two days. Returned value may be positive (when this date
is after the provided one) or negative (when comparing to future date).
Returns span between two days . Returned value may be positive ( when this date is after the provided one ) or negative ( when comparing to future date ) .