[질문] 홍대입구역에서는 첫차가 몇시인가요

[(내선)방면]성수행(평일)5:30,성수행(토요일)5:30,성수행(휴일)5:30 [(외선)방면]성수행(평일)5:30,성수행(토요일)5:30,신도림행(휴일)8:15,성수행(휴일)5:30