public function getCalendarEventEndDate(EntityInterface $entity, ArrayObject $options, $map = null)
    {
        $source = $map->end_date->options->source;

        $ts = Time::parse($entity->get($source));
        $endDate = $ts->modify('+ 1 hour')->i18nFormat('yyyy-MM-dd HH:mm');

        $result = new Time($endDate);

        return $result;
    }