public function beforeSave(&$values)
 {
     global $adb, $vtiger_current_version;
     if (version_compare($vtiger_current_version, '5.3.0', '>=')) {
         foreach ($values["setter"] as $key => $field) {
             //             I have to respect Users timezone
             if (strpos($field["value"], "\$") === false && ($field["field"] == "time_start" || $field["field"] == "time_end")) {
                 $date = DateTimeField::convertToDBTimeZone(date("Y-m-d") . " " . $field["value"]);
                 $values["setter"][$key]["value"] = date("H:i", $date->format('U'));
             }
         }
     }
     parent::beforeSave($values);
 }