def extract_secondary_date(gunw_scene_name: str) -> str:
    """Get Secondary Date from GUNW id"""
    date_pair_str = gunw_scene_name.split('-')[6]
    temp = date_pair_str.split('_')[1]
    secondary_date_str = f'{temp[:4]}-{temp[4:6]}-{temp[6:]}'
    return secondary_date_str