CN 7140 then CA 1589 at Beijing
Harbin → Beijing → Shanghai Hongqiao
Timetable, Beijing time
21:30CN 7140 from Harbin at the gate
20:30CA 1589 to Shanghai Hongqiao leaves the gate
23 h apart on the timetable, overnight
CA 1589 leaves 23 h after CN 7140 arrives on the timetable: more than half a day, so not a connection we count.