diff --git a/src/Illuminate/Database/Eloquent/Concerns/HasAttributes.php b/src/Illuminate/Database/Eloquent/Concerns/HasAttributes.php
index 4ef0f5314062..a9cd9700ca77 100644
--- a/src/Illuminate/Database/Eloquent/Concerns/HasAttributes.php
+++ b/src/Illuminate/Database/Eloquent/Concerns/HasAttributes.php
@@ -1475,6 +1475,20 @@ public function getDates()
         ] : [];
     }
 
+    /**
+     * Get all attributes that should be converted to dates including timestamps and user-defined.
+     *
+     * @return array
+     */
+    public function getDateCastableAttributes(): array
+    {
+        $dateAttributes = array_filter(
+            array_keys($this->getCasts()), fn (string $key): bool => $this->isDateCastable($key)
+        );
+
+        return array_unique([...$dateAttributes, ...$this->getDates()]);
+    }
+
     /**
      * Get the format for database stored dates.
      *