PHPOffice / PhpSpreadsheet

        $minute = (integer) $minute;

        $second = (integer) $second;

        if ($second < 0) {

            $minute += floor($second / 60);

            $second = 60 - abs($second % 60);

            if ($second == 60) {

                $second = 0;

            }

        } elseif ($second >= 60) {

            $minute += floor($second / 60);

            $second = $second % 60;

        }

        if ($minute < 0) {

            $hour += floor($minute / 60);

            $minute = 60 - abs($minute % 60);

            $minute += floor($second / 60);

            $second = $second % 60;

        }

        if ($minute < 0) {

            $hour += floor($minute / 60);

            $minute = 60 - abs($minute % 60);

            if ($minute == 60) {

                $minute = 0;

            }

        } elseif ($minute >= 60) {

            $hour += floor($minute / 60);

            $minute = $minute % 60;

        }

        if ($hour > 23) {

            $hour = $hour % 24;

                return (integer) \PhpSpreadsheet\Shared\Date::excelToTimestamp(\PhpSpreadsheet\Shared\Date::formattedPHPToExcel(1970, 1, 1, $hour, $minute, $second));    // -2147468400; //    -2147472000 + 3600

            case Functions::RETURNDATE_PHP_OBJECT:

                $dayAdjust = 0;

                if ($hour < 0) {

                    $dayAdjust = floor($hour / 24);

                    $hour = 24 - abs($hour % 24);

                    if ($hour == 24) {

                        $hour = 0;

                    }

                } elseif ($hour >= 24) {

                    $dayAdjust = floor($hour / 24);

                    $hour = $hour % 24;

                }

                $phpDateObject = new \DateTime('1900-01-01 '.$hour.':'.$minute.':'.$second);

                if ($dayAdjust != 0) {

                    $phpDateObject->modify($dayAdjust.' days');