public static String ago(final Calendar date){
  final Calendar now=Calendar.getInstance();
  final double seconds=(now.getTimeInMillis() - date.getTimeInMillis()) / 1000;
  return formatTimeSpan(seconds);
}

public static String ago ( final Calendar date ) { final Calendar now = Calendar . getInstance ( ) ; final double seconds = ( now . getTimeInMillis ( ) - date . getTimeInMillis ( ) ) / 1000 ; return formatTimeSpan ( seconds ) ; }
returns a string to describe the time interval between this date and the present datetime .
