diff --git a/src/ApiResource/WorkHourDayExport.php b/src/ApiResource/WorkHourDayExport.php
new file mode 100644
index 0000000..b8eaf3f
--- /dev/null
+++ b/src/ApiResource/WorkHourDayExport.php
@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\ApiResource;
+
+use ApiPlatform\Metadata\ApiResource;
+use ApiPlatform\Metadata\Get;
+use ApiPlatform\Metadata\QueryParameter;
+use App\State\WorkHourDayExportProvider;
+
+#[ApiResource(
+    operations: [
+        new Get(
+            uriTemplate: '/work-hours/day-export',
+            provider: WorkHourDayExportProvider::class,
+            parameters: [
+                new QueryParameter(key: 'workDate', required: true),
+                new QueryParameter(key: 'siteIds', required: true),
+            ],
+            security: "is_granted('ROLE_ADMIN')"
+        ),
+    ]
+)]
+final class WorkHourDayExport {}
diff --git a/src/State/WorkHourDayExportProvider.php b/src/State/WorkHourDayExportProvider.php
new file mode 100644
index 0000000..f95ba44
--- /dev/null
+++ b/src/State/WorkHourDayExportProvider.php
@@ -0,0 +1,109 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\State;
+
+use ApiPlatform\Metadata\Operation;
+use ApiPlatform\State\ProviderInterface;
+use App\Repository\EmployeeRepository;
+use App\Service\WorkHours\YearlyHoursExportBuilder;
+use DateTimeImmutable;
+use Dompdf\Dompdf;
+use Dompdf\Options;
+use Symfony\Component\HttpFoundation\RequestStack;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\Exception\UnprocessableEntityHttpException;
+use Twig\Environment;
+
+class WorkHourDayExportProvider implements ProviderInterface
+{
+    public function __construct(
+        private Environment $twig,
+        private readonly RequestStack $requestStack,
+        private EmployeeRepository $employeeRepository,
+        private YearlyHoursExportBuilder $exportBuilder,
+    ) {}
+
+    public function provide(Operation $operation, array $uriVariables = [], array $context = []): Response
+    {
+        $request = $this->requestStack->getCurrentRequest();
+        if (!$request) {
+            return new Response('Missing request.', Response::HTTP_BAD_REQUEST);
+        }
+
+        $workDateRaw = (string) $request->query->get('workDate');
+        if (!preg_match('/^\d{4}-\d{2}-\d{2}$/', $workDateRaw)) {
+            throw new UnprocessableEntityHttpException('workDate must use YYYY-MM-DD format.');
+        }
+        $date = new DateTimeImmutable($workDateRaw);
+
+        $siteIdsRaw = (string) $request->query->get('siteIds', '');
+        $siteIds    = array_values(array_filter(array_map(
+            static fn (string $value): int => (int) trim($value),
+            explode(',', $siteIdsRaw),
+        ), static fn (int $id): bool => $id > 0));
+        if ([] === $siteIds) {
+            throw new UnprocessableEntityHttpException('siteIds is required.');
+        }
+
+        // Feature réservée admin : on charge tous les employés puis on filtre.
+        $employees = $this->employeeRepository->findAll();
+
+        // Regroupement par site (ordre displayOrder), non-conducteurs uniquement.
+        $bySite   = [];
+        $siteMeta = [];
+        foreach ($employees as $employee) {
+            if (true === $employee->getIsDriver()) {
+                continue;
+            }
+            $site = $employee->getSite();
+            if (null === $site || !in_array($site->getId(), $siteIds, true)) {
+                continue;
+            }
+            $siteId            = $site->getId();
+            $bySite[$siteId][] = $employee;
+            $siteMeta[$siteId] ??= [
+                'name'  => $site->getName(),
+                'order' => $site->getDisplayOrder(),
+            ];
+        }
+
+        uasort($siteMeta, static function (array $a, array $b): int {
+            return [$a['order'], $a['name']] <=> [$b['order'], $b['name']];
+        });
+
+        $groups = [];
+        foreach ($siteMeta as $siteId => $meta) {
+            $siteEmployees = $bySite[$siteId];
+            usort($siteEmployees, static fn ($a, $b) => ($a->getLastName() ?? '') <=> ($b->getLastName() ?? ''));
+
+            $rows = $this->exportBuilder->buildDayRowsForEmployees($siteEmployees, $date);
+            if ([] === $rows) {
+                continue;
+            }
+            $groups[] = ['siteName' => $meta['name'], 'rows' => $rows];
+        }
+
+        $options = new Options();
+        $options->set('isRemoteEnabled', true);
+        $dompdf = new Dompdf($options);
+
+        $html = $this->twig->render('work-hour-day-export/print.html.twig', [
+            'groups'     => $groups,
+            'dateLabel'  => $date->format('d/m/Y'),
+            'exportedAt' => new DateTimeImmutable('now')->format('d/m/Y H:i'),
+        ]);
+
+        $dompdf->loadHtml($html);
+        $dompdf->setPaper('A4', 'portrait');
+        $dompdf->render();
+
+        $filename = sprintf('heures_jour_%s.pdf', $date->format('Y-m-d'));
+
+        return new Response($dompdf->output(), Response::HTTP_OK, [
+            'Content-Type'        => 'application/pdf',
+            'Content-Disposition' => sprintf('attachment; filename="%s"', $filename),
+        ]);
+    }
+}