[질문] 9호선당산역급행시간

평일당산역급행시간-김포공항급행:21:48,22:08,22:28,22:48,23:08,23:28,23:48,24:08,24:28,24:48/신논현급행:21:43,22:03,22:23,22:43,23:03,23:23,23:43,24:03