CZ 3068 then ZH 8909 at Guangzhou
Kathmandu → Guangzhou → Yangzhou
Timetable, Guangzhou time
05:55CZ 3068 from Kathmandu at the gate
18:15ZH 8909 to Yangzhou leaves the gate
12 h 20 apart on the timetable
ZH 8909 leaves 12 h 20 after CZ 3068 arrives on the timetable: more than half a day, so not a connection we count.