diff --git a/modules/system.module b/modules/system.module
index e5dbb0554ebd866c9826b312a94701aba640b8ad..16d89f5766569acc43b5850046fbd619a40c69bb 100644
--- a/modules/system.module
+++ b/modules/system.module
@@ -217,12 +217,12 @@ function system_view_general() {
   $zones = _system_zonelist();
 
   // date settings: possible date formats
-  $dateshort = array('m/d/Y - H:i', 'd/m/Y - H:i', 'Y/m/d - H:i',
+  $dateshort = array('Y-m-d H:i','m/d/Y - H:i', 'd/m/Y - H:i', 'Y/m/d - H:i',
            'm/d/Y - g:ia', 'd/m/Y - g:ia', 'Y/m/d - g:ia',
            'M j Y - H:i', 'j M Y - H:i', 'Y M j - H:i',
            'M j Y - g:ia', 'j M Y - g:ia', 'Y M j - g:ia');
-  $datemedium = array('D, m/d/Y - H:i', 'D, d/m/Y - H:i', 'D, Y/m/d - H:i',
-          'F j, Y - H:i', 'j F, Y - H:i', 'Y, F j - H:i',
+  $datemedium = array('D, Y-m-d H:i', 'D, m/d/Y - H:i', 'D, d/m/Y - H:i',
+          'D, Y/m/d - H:i', 'F j, Y - H:i', 'j F, Y - H:i', 'Y, F j - H:i',
           'D, m/d/Y - g:ia', 'D, d/m/Y - g:ia', 'D, Y/m/d - g:ia',
           'F j, Y - g:ia', 'j F, Y - g:ia', 'Y, F j - g:ia');
   $datelong = array('l, F j, Y - H:i', 'l, j F, Y - H:i', 'l, Y,  F j - H:i',
diff --git a/modules/system/system.module b/modules/system/system.module
index e5dbb0554ebd866c9826b312a94701aba640b8ad..16d89f5766569acc43b5850046fbd619a40c69bb 100644
--- a/modules/system/system.module
+++ b/modules/system/system.module
@@ -217,12 +217,12 @@ function system_view_general() {
   $zones = _system_zonelist();
 
   // date settings: possible date formats
-  $dateshort = array('m/d/Y - H:i', 'd/m/Y - H:i', 'Y/m/d - H:i',
+  $dateshort = array('Y-m-d H:i','m/d/Y - H:i', 'd/m/Y - H:i', 'Y/m/d - H:i',
            'm/d/Y - g:ia', 'd/m/Y - g:ia', 'Y/m/d - g:ia',
            'M j Y - H:i', 'j M Y - H:i', 'Y M j - H:i',
            'M j Y - g:ia', 'j M Y - g:ia', 'Y M j - g:ia');
-  $datemedium = array('D, m/d/Y - H:i', 'D, d/m/Y - H:i', 'D, Y/m/d - H:i',
-          'F j, Y - H:i', 'j F, Y - H:i', 'Y, F j - H:i',
+  $datemedium = array('D, Y-m-d H:i', 'D, m/d/Y - H:i', 'D, d/m/Y - H:i',
+          'D, Y/m/d - H:i', 'F j, Y - H:i', 'j F, Y - H:i', 'Y, F j - H:i',
           'D, m/d/Y - g:ia', 'D, d/m/Y - g:ia', 'D, Y/m/d - g:ia',
           'F j, Y - g:ia', 'j F, Y - g:ia', 'Y, F j - g:ia');
   $datelong = array('l, F j, Y - H:i', 'l, j F, Y - H:i', 'l, Y,  F j - H:i',