CZ 3930 then MF 8356 at Guangzhou
Zunyi Xinzhou → Guangzhou → Tianjin
Timetable, Guangzhou time
11:35CZ 3930 from Zunyi Xinzhou at the gate
23:55MF 8356 to Tianjin leaves the gate
12 h 20 apart on the timetable
MF 8356 leaves 12 h 20 after CZ 3930 arrives on the timetable: more than half a day, so not a connection we count.