public function dateExpired() {
    $fromTimeZone = !empty($this->convertedTimezone) ? $this->convertedTimezone : new DateTimeZone($this->siteTimezone);
    $localeCurrent = new OpenYLocaleDate();
    $localeCurrent->setDateByTimezone(new DateTimeZone($this->siteTimezone));
    $localeCurrent->convertTimezone($fromTimeZone);
    return $localeCurrent->getDate() >= $this->getDate();
  }