TYPO3 Core

Issue also confirmed in V11.

Adding:

            $queryBuilder->getRestrictions()->removeByType(StartTimeRestriction::class);

to the following function in class `typo3/sysext/core/Classes/Domain/Repository/PageRepository.php` fixes it. But this would cause multiple issues ofcourse.

protected function getPageOverlaysForLanguageUids(array $pageUids, array $languageUids): array
    {
        // Remove default language ("0")
        $languageUids = array_filter($languageUids);
        $languageField = $GLOBALS['TCA']['pages']['ctrl']['languageField'];
        $overlays = [];

        foreach ($pageUids as $pageId) {
            // Create a map based on the order of values in $languageUids. Those entries reflect the order of the language + fallback chain.
            // We can't work with database ordering since there is no common SQL clause to order by e.g. [7, 1, 2].
            $orderedListByLanguages = array_flip($languageUids);

            $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable('pages');
            $queryBuilder->setRestrictions(GeneralUtility::makeInstance(FrontendRestrictionContainer::class, $this->context));
            // Because "fe_group" is an exclude field, so it is synced between overlays, the group restriction is removed for language overlays of pages
            $queryBuilder->getRestrictions()->removeByType(FrontendGroupRestriction::class);
            $queryBuilder->getRestrictions()->removeByType(StartTimeRestriction::class);
            $result = $queryBuilder->select('*')
                ->from('pages')
                ->where(
                    $queryBuilder->expr()->eq(
                        $GLOBALS['TCA']['pages']['ctrl']['transOrigPointerField'],
                        $queryBuilder->createNamedParameter($pageId, \PDO::PARAM_INT)
                    ),
                    $queryBuilder->expr()->in(
                        $GLOBALS['TCA']['pages']['ctrl']['languageField'],
                        $queryBuilder->createNamedParameter($languageUids, Connection::PARAM_INT_ARRAY)
                    )
                )
                ->execute();

            // Create a list of rows ordered by values in $languageUids
            while ($row = $result->fetch()) {
                $orderedListByLanguages[$row[$languageField]] = $row;
            }

            foreach ($orderedListByLanguages as $languageUid => $row) {
                if (!is_array($row)) {
                    continue;
                }

                // Found a result for the current language id
                $this->versionOL('pages', $row);
                if (is_array($row)) {
                    $row['_PAGES_OVERLAY'] = true;
                    $row['_PAGES_OVERLAY_UID'] = $row['uid'];
                    $row['_PAGES_OVERLAY_LANGUAGE'] = $languageUid;
                    $row['_PAGES_OVERLAY_REQUESTEDLANGUAGE'] = $languageUids[0];
                    // Unset vital fields that are NOT allowed to be overlaid:
                    unset($row['uid'], $row['pid']);
                    $overlays[$pageId] = $row;

                    // Language fallback found, stop querying further languages
                    break;
                }
            }
        }

        return $overlays;
    }