MF 8355 then CZ 3815 at Guangzhou
Tianjin → Guangzhou → Hefei
Timetable, Guangzhou time
22:50MF 8355 from Tianjin at the gate
21:15CZ 3815 to Hefei leaves the gate
22 h 25 apart on the timetable, overnight
CZ 3815 leaves 22 h 25 after MF 8355 arrives on the timetable: more than half a day, so not a connection we count.