Next Day Previous Day Time(st,pk,en)=2021/02/18 11:45, 11:53, 11:58,  Class=B1.2 Time(st,pk,en)=2021/02/18 13:25, 13:29, 13:37,  Class=B1.0 Time(st,pk,en)=2021/02/18 19:56, 20:47, 21:09,  Class=B1.3 Time(st,pk,en)=2021/02/19 08:53, 09:01, 09:08,  Class=B1.8