ZH 9868 then ZH 8947 at Guangzhou
Nanjing → Guangzhou → Linyi
Timetable, Guangzhou time
10:30ZH 9868 from Nanjing at the gate
06:20ZH 8947 to Linyi leaves the gate
19 h 50 apart on the timetable, overnight
ZH 8947 leaves 19 h 50 after ZH 9868 arrives on the timetable: more than half a day, so not a connection we count.