diff --git a/core/modules/system/system.routing.yml b/core/modules/system/system.routing.yml
index 4ad6509..6fe563d 100644
--- a/core/modules/system/system.routing.yml
+++ b/core/modules/system/system.routing.yml
@@ -307,9 +307,12 @@ system.modules_uninstall_confirm:
     _permission: 'administer modules'
 
 system.timezone:
-  path: '/system/timezone'
+  path: '/system/timezone/{abbreviation}/{offset}/{is_daylight_saving_time}'
   defaults:
     _controller: '\Drupal\system\Controller\TimezoneController::getTimezone'
+    abbreviation: null
+    offset: null
+    is_daylight_saving_time: null
   requirements:
     _access: 'TRUE'