[질문] 사상에서 장유행 몇분간격으로있나용

12:15,12:45,13:15,13:45,14:15,14:45,15:15,15:45,16:15,16:40,17:00,17:20,17:30,17:50,18:00,18:20,18:40,19:00,19:20,19:35,20:00,20:25,20:35,21:00