code: public static function createFromFormat($format, $time, $object = null)
      {
          if (empty($object)) {
              $object = new DateTimeZone('America/Sao_Paulo');
          }
          return self::cast(parent::createFromFormat($format, $time, $object));
      }
docs: Returns new DateTime object formatted according to the specified format
  @param string $format
  @param string $time
  @param \DateTimeZone $object
  @return Date
  @static