def METHOD_NAME(self, name) -> Optional[date]:
    """
    Add Mid Autumn Festival Day Two (16th day of the 8th lunar month).
    The Mid-Autumn Festival, also known as the Moon Festival or
    Mooncake Festival.
    https://en.wikipedia.org/wiki/Mid-Autumn_Festival
    """
    return self._add_chinese_calendar_holiday(
        name, self._chinese_calendar.mid_autumn_date(self._year), days_delta=+1
    )