'Return ctime() style string.'

def ctime(self):

    weekday = ((self.toordinal() % 7) or 7)
    return ('%s    %s    %2d    %02d:%02d:%02d    %04d' % (_DAYNAMES[weekday], _MONTHNAMES[self._month], self._day, self._hour, self._minute, self._second, self._year))
