diff --git a/Classes/Domain/Model/Frontend/OpeningHours.php b/Classes/Domain/Model/Frontend/OpeningHours.php
index 11ff49d..8522c93 100644
--- a/Classes/Domain/Model/Frontend/OpeningHours.php
+++ b/Classes/Domain/Model/Frontend/OpeningHours.php
@@ -28,7 +28,7 @@ use TYPO3\CMS\Core\Type\TypeInterface;
 /**
  * @implements \Iterator<int, OpeningHour>
  */
-class OpeningHours implements TypeInterface, \Iterator
+class OpeningHours implements TypeInterface, \Iterator, \Countable
 {
     /**
      * @var string
@@ -83,4 +83,9 @@ class OpeningHours implements TypeInterface, \Iterator
     {
         $this->position = 0;
     }
+
+    public function count()
+    {
+        return count($this->array);
+    }
 }