protected function resolveAligned(ChronoLocalDate $base, $months, $weeks, $dow)
 {
     $date = $base->plus($months, ChronoUnit::MONTHS())->plus($weeks, ChronoUnit::WEEKS());
     if ($dow > 7) {
         $date = $date->plus(($dow - 1) / 7, ChronoUnit::WEEKS());
         $dow = ($dow - 1) % 7 + 1;
     } else {
         if ($dow < 1) {
             $date = $date->plus(Math::subtractExact($dow, 7) / 7, ChronoUnit::WEEKS());
             $dow = ($dow + 6) % 7 + 1;
         }
     }
     return $date->adjust(TemporalAdjusters::nextOrSame(DayOfWeek::of((int) $dow)));
 }
 private function plusDays($days)
 {
     return $this->_with($this->date->plus($days, ChronoUnit::DAYS()), $this->time);
 }