Index: /branches/release-40/lib/MT/App/CMS.pm
===================================================================
--- /branches/release-40/lib/MT/App/CMS.pm (revision 2575)
+++ /branches/release-40/lib/MT/App/CMS.pm (revision 2597)
@@ -1060,6 +1060,5 @@
                     $to .= '235959';
                     $terms->{junk_status} = MT::Comment::NOT_JUNK();
-                    $terms->{created_on} =
-                      [ MT::Object::ts2db($from), MT::Object::ts2db($to) ];
+                    $terms->{created_on} = [ $from, $to ];
                     $args->{range_incl}{created_on} = 1;
                 },