Hardcode UTC application timezone

config/app.php

@@ -55,17 +55,10 @@ return [
     'url' => env('APP_URL', 'https://localhost'),
 
     /*
-    |--------------------------------------------------------------------------
-    | Application Timezone
-    |--------------------------------------------------------------------------
-    |
-    | Here you may specify the default timezone for your application, which
-    | will be used by the PHP date and date-time functions. We have gone
-    | ahead and set this to a sensible default for you out of the box.
-    |
-    */
+     * Do not edit your timezone or things will break!
+     */
 
-    'timezone' => env('APP_TIMEZONE', 'UTC'),
+    'timezone' => 'UTC',
 
     /*
     |--------------------------------------------------------------------------