9C 8680 then MU 6825 at Guangzhou
Shijiazhuang → Guangzhou → Chongqing
Timetable, Guangzhou time
20:359C 8680 from Shijiazhuang at the gate
18:50MU 6825 to Chongqing leaves the gate
22 h 15 apart on the timetable, overnight
MU 6825 leaves 22 h 15 after 9C 8680 arrives on the timetable: more than half a day, so not a connection we count.