CZ 668 then CZ 3263 at Guangzhou
Belgrade → Guangzhou → Dazhou
Timetable, Guangzhou time
05:00CZ 668 from Belgrade at the gate
17:25CZ 3263 to Dazhou leaves the gate
12 h 25 apart on the timetable
CZ 3263 leaves 12 h 25 after CZ 668 arrives on the timetable: more than half a day, so not a connection we count.