Index: includes/workflow.views.inc
===================================================================
--- includes/workflow.views.inc	(revision 953)
+++ includes/workflow.views.inc	(working copy)
@@ -75,6 +75,23 @@
     ),
   );
 
+  // time
+  $data['workflow_node']['stamp'] = array(
+    'title' => t('Current time'), // Appears in views UI.
+    'help' => t('The time at which the node moved to the current state.'),
+    'field' => array(
+      'handler' => 'views_handler_field_date',
+      'click sortable' => TRUE,
+     ),
+    'filter' => array(
+      'handler' => 'views_handler_filter_date',
+      'numeric' => TRUE,
+    ),
+    'sort' => array(
+      'handler' => 'views_handler_sort_date',
+    ),
+  );
+
   $data['workflow_scheduled_transition']['table']['group']  = t('Workflow');
   // Explain how this table joins to others.
   $data['workflow_scheduled_transition']['table']['join'] = array(