diff --git a/app/Http/Requests/V3/Mission/RequestPortal/StoreRequest.php b/app/Http/Requests/V3/Mission/RequestPortal/StoreRequest.php
index 0a466b8b..a5f8c37e 100644
--- a/app/Http/Requests/V3/Mission/RequestPortal/StoreRequest.php
+++ b/app/Http/Requests/V3/Mission/RequestPortal/StoreRequest.php
@@ -2,8 +2,10 @@
 
 namespace App\Http\Requests\V3\Mission\RequestPortal;
 
+use Carbon\Carbon;
 use Illuminate\Contracts\Validation\ValidationRule;
 use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Validator;
 
 class StoreRequest extends FormRequest
 {
@@ -37,4 +39,25 @@ class StoreRequest extends FormRequest
             'category_id' => 'required|in:1,2,3',
         ];
     }
+
+    public function after(): array
+    {
+        return [
+            function (Validator $validator) {
+                if ($this->type === 1){
+
+                    $start = Carbon::parse($this->start_date);
+                    $end = Carbon::parse($this->end_date);
+
+                    if ($start->diffInMinutes($end) > 480 ){
+                        $validator->errors()->add(
+                            'end_date',
+                           'مدت مأموریت روزانه نباید بیشتر از ۸ ساعت باشد.'
+                        );
+                    }
+
+                }
+            }
+        ];
+    }
 }
diff --git a/app/Http/Requests/V3/Mission/RequestPortal/UpdateRequest.php b/app/Http/Requests/V3/Mission/RequestPortal/UpdateRequest.php
index dfdc6241..7f127298 100644
--- a/app/Http/Requests/V3/Mission/RequestPortal/UpdateRequest.php
+++ b/app/Http/Requests/V3/Mission/RequestPortal/UpdateRequest.php
@@ -3,8 +3,10 @@
 namespace App\Http\Requests\V3\Mission\RequestPortal;
 
 use App\Enums\MissionStates;
+use Carbon\Carbon;
 use Illuminate\Contracts\Validation\ValidationRule;
 use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Validator;
 
 class UpdateRequest extends FormRequest
 {
@@ -38,4 +40,26 @@ class UpdateRequest extends FormRequest
             'category_id' => 'required|in:1,2,3',
         ];
     }
+
+
+    public function after(): array
+    {
+        return [
+            function (Validator $validator) {
+                if ($this->type === 1){
+
+                    $start = Carbon::parse($this->start_date);
+                    $end = Carbon::parse($this->end_date);
+
+                    if ($start->diffInMinutes($end) > 480 ){
+                        $validator->errors()->add(
+                            'end_date',
+                            'مدت مأموریت روزانه نباید بیشتر از ۸ ساعت باشد.'
+                        );
+                    }
+
+                }
+            }
+        ];
+    }
 }