ZH 9511 then 9C 6189 at Pudong
Shenzhen → Shanghai → Harbin
Timetable, Shanghai time
13:15ZH 9511 from Shenzhen at the gate
13:009C 6189 to Harbin leaves the gate
23 h 45 apart on the timetable, overnight
9C 6189 leaves 23 h 45 after ZH 9511 arrives on the timetable: more than half a day, so not a connection we count.