ZH 9962 then MU 9768 at Guangzhou
Wenzhou → Guangzhou → Nanjing
Timetable, Guangzhou time
00:10ZH 9962 from Wenzhou at the gate
23:05MU 9768 to Nanjing leaves the gate
22 h 55 apart on the timetable
MU 9768 leaves 22 h 55 after ZH 9962 arrives on the timetable: more than half a day, so not a connection we count.