MU 522 then HU 7728 at Pudong
Tokyo Narita → Shanghai → Shenzhen
Timetable, Shanghai time
19:35MU 522 from Tokyo Narita at the gate
19:30HU 7728 to Shenzhen leaves the gate
23 h 55 apart on the timetable, overnight
HU 7728 leaves 23 h 55 after MU 522 arrives on the timetable: more than half a day, so not a connection we count.