Index: trunk/kernel/include/dates.php
===================================================================
diff -u -r3282 -r3736
--- trunk/kernel/include/dates.php	(.../dates.php)	(revision 3282)
+++ trunk/kernel/include/dates.php	(.../dates.php)	(revision 3736)
@@ -196,12 +196,7 @@
     global $objConfig;
 
     $timestr = strtoupper($timestr);
-    if($objConfig->Get("ampm_time")=="1")
-    {
-      $valid = Is12HourTime($timestr);
-    }
-    else
-        $valid = !Is12HourTime($timestr);
+	$valid = is12HourMode() ? Is12HourTime($timestr) : !Is12HourTime($timestr);
 
     $time = GetTimeParts($timestr);
     $valid = $valid && (($time["hour"]<24) && ($time["min"]<60) && ($time["sec"]<60));