diff --git a/src/Action/Functions.php b/src/Action/Functions.php
index acd4ab97f7e62667f7033b8dee64d148873ed0fc..e1625b17f3756cdf36607481814d3cd1ff8c619e 100644
--- a/src/Action/Functions.php
+++ b/src/Action/Functions.php
@@ -120,4 +120,16 @@ class Functions
             yield new DateTimeImmutable($day->format("Y-m-d"));
         }
     }
+
+    /**
+     * Вернет кол-во дней между датами
+     * @param DateTimeImmutable $dateStart дата начала
+     * @param DateTimeImmutable $dateEnd дата окончания
+     * @return int
+     */
+    public function diffDays(DateTimeImmutable $dateStart, DateTimeImmutable $dateEnd): int
+    {
+        $dateInterval = date_diff($dateStart, $dateEnd);
+        return (int)$dateInterval->format("%a") ;
+    }
 }
\ No newline at end of file
diff --git a/src/Controller/HomeController.php b/src/Controller/HomeController.php
index 1d3494287cd0a17a857c5173ca974c81ec013348..3396331167525f8f0ac06943cdb69ee833bbc1e1 100644
--- a/src/Controller/HomeController.php
+++ b/src/Controller/HomeController.php
@@ -9,7 +9,8 @@ use App\Requests\{
     UniqElementsRequest,
     MenuRequest,
     HowDaysToNyRequest,
-    CountFriday13Request
+    CountFriday13Request,
+    DiffDaysRequest
 };
 use DateTimeImmutable;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
@@ -76,4 +77,18 @@ class HomeController extends AbstractController
         }
         return $this->json($fridays);
     }
+
+    #[Route('/diffDays', name: 'diffDays')] // 01-01-2024
+    public function diffDays(DiffDaysRequest $request): Response
+    {
+        try {
+            $result = $this->functions->diffDays(
+                new DateTimeImmutable($request->getRequest()->get('startDate')),
+                new DateTimeImmutable($request->getRequest()->get('endDate')),
+            );
+            return $this->json(["The difference of days:" => $result]);
+        } catch (\Exception $e) {
+            return new Response($e->getMessage());
+        }
+    }
 }
diff --git a/src/Requests/DiffDaysRequest.php b/src/Requests/DiffDaysRequest.php
new file mode 100644
index 0000000000000000000000000000000000000000..8cba54ec46355d1a907b4ae71183f235dc6e3959
--- /dev/null
+++ b/src/Requests/DiffDaysRequest.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace App\Requests;
+
+use Symfony\Component\Validator\Constraints as Assert;
+
+class DiffDaysRequest extends BaseRequest
+{
+    #[Assert\Type('date')]
+    public $startDate;
+
+    #[Assert\Type('date')]
+    public $endDate;
+}
\ No newline at end of file
diff --git a/templates/home.html.twig b/templates/home.html.twig
index bb1d7381066549854b7c126f51b8584f07a82e53..381475858820376677bcc3e573c1f0ae94515a4a 100644
--- a/templates/home.html.twig
+++ b/templates/home.html.twig
@@ -1,6 +1,3 @@
 {% block body %}
-    <h1>Кол-во пятниц 13 в году: {{ fridays|length }}</h1>
-    {% for day in fridays %}
-        <p>{{ day }}</p>
-    {% endfor %}
+    <h1>Кол-во дней между датами: {{ count }}</h1>
 {% endblock %}
\ No newline at end of file