9C 6726 then CZ 391 at Guangzhou
Ningbo → Guangzhou → Dhaka
Timetable, Guangzhou time
22:159C 6726 from Ningbo at the gate
19:40CZ 391 to Dhaka leaves the gate
21 h 25 apart on the timetable, overnight
CZ 391 leaves 21 h 25 after 9C 6726 arrives on the timetable: more than half a day, so not a connection we count.