[질문] 상록수에서첫차지하철 몇시죠??

4호선평일상행첫차:05:19:00 하행첫차:05:55:30/토요일상행첫차:05:19:00 하행첫차:05:55:30/공휴일상행첫차:05:28:00 하행첫차:05:55:30