protected function _prepareDates(Varien_Object $request) { if (null !== $request->getStartDate()) { $request->setStartDate(Mage::getSingleton('core/date')->gmtDate(null, $request->getStartDate())); } if (null !== $request->getEndDate()) { $request->setEndDate(Mage::getSingleton('core/date')->gmtDate(null, $request->getEndDate())); } return $this; }