diff --git a/core/lib/Drupal/Core/Datetime/Element/Datetime.php b/core/lib/Drupal/Core/Datetime/Element/Datetime.php
index a68927a..2758017 100644
--- a/core/lib/Drupal/Core/Datetime/Element/Datetime.php
+++ b/core/lib/Drupal/Core/Datetime/Element/Datetime.php
@@ -269,6 +269,7 @@ public static function processDatetime(&$element, FormStateInterface $form_state
         '#size' => max(12, strlen($element['#value']['date'])),
         '#error_no_message' => TRUE,
         '#date_date_format' => $element['#date_date_format'],
+        '#states' => isset($element['#states']) ? $element['#states'] : [],
       );
 
       // Allows custom callbacks to alter the element.
@@ -301,6 +302,7 @@ public static function processDatetime(&$element, FormStateInterface $form_state
         '#required' => $element['#required'],
         '#size' => 12,
         '#error_no_message' => TRUE,
+        '#states' => isset($element['#states']) ? $element['#states'] : [],
       );
 
       // Allows custom callbacks to alter the element.