diff --git a/src/Twig/CalendarLinkTwigExtension.php b/src/Twig/CalendarLinkTwigExtension.php
index b4e7f72..eff2fb3 100644
--- a/src/Twig/CalendarLinkTwigExtension.php
+++ b/src/Twig/CalendarLinkTwigExtension.php
@@ -231,6 +231,15 @@ class CalendarLinkTwigExtension extends AbstractExtension {
       $date = $date['#items'];
     }
 
+    // Drupal date range field instance. E.g. `node.field_date_range.end_value`.
+    if (is_string($date)) {
+      // Attempt to parse the input string as a date and time.
+      $parsed_date = date_create($date);
+      if ($parsed_date !== FALSE) {
+        $date = $parsed_date;
+      }
+    }
+
     // Drupal field instance. E.g. `node.field_start`.
     if ($date instanceof DateTimeFieldItemList) {
       $date = $date->date;