spatie / opening-hours

        $previousOpen = $openingHoursForDay->previousOpen(Time::fromDateTime($dateTime));

        $tries = $this->getDayLimit();

        while ($previousOpen === false || ($previousOpen->hours() === 0 && $previousOpen->minutes() === 0)) {

            if (--$tries < 0) {

                throw MaximumLimitExceeded::forString(

                    'No open date/time found in the previous '.$this->getDayLimit().' days,'.

                    ' use $openingHours->setDayLimit() to increase the limit.'

                );

            }

            $midnight = $dateTime->setTime(0, 0, 0);

            $dateTime = clone $midnight;

            $dateTime = $dateTime->modify('-1 minute');

            $openingHoursForDay = $this->forDate($dateTime);

            if ($this->isOpenAt($midnight) && ! $openingHoursForDay->isOpenAt(Time::fromString('23:59'))) {

                return $midnight;

            }

            $previousOpen = $openingHoursForDay->previousOpen(Time::fromDateTime($dateTime));

        }

        $nextDateTime = $previousOpen->toDateTime();

        $tries = $this->getDayLimit();

        while ($previousClose === false || ($previousClose->hours() === 0 && $previousClose->minutes() === 0)) {

            if (--$tries < 0) {

                throw MaximumLimitExceeded::forString(

                    'No close date/time found in the previous '.$this->getDayLimit().' days,'.

                    ' use $openingHours->setDayLimit() to increase the limit.'

                );

            }

            $midnight = $dateTime->setTime(0, 0, 0);

            $dateTime = clone $midnight;

            $dateTime = $dateTime->modify('-1 minute');

            $openingHoursForDay = $this->forDate($dateTime);

            if ($this->isClosedAt($midnight) && $openingHoursForDay->isOpenAt(Time::fromString('23:59'))) {

                return $midnight;

            }

            $previousClose = $openingHoursForDay->previousClose(Time::fromDateTime($dateTime));

        }

        $previousDateTime = $previousClose->toDateTime();