State::updatePlannedDateSend

public function updatePlannedDateSend(Date $date)
{
	CTimeZone::disable();
	$result = ModelLetterTable::update($this->letter->getId(), array('AUTO_SEND_TIME' => $date));
	CTimeZone::enable();
	if ($result->isSuccess())
	{
		$this->letter->set('AUTO_SEND_TIME', $date);
	}

	return $result->isSuccess();
}