MU 6552 then 8L 9976 at Guangzhou
Harbin → Guangzhou → Kunming
Timetable, Guangzhou time
21:25MU 6552 from Harbin at the gate
21:158L 9976 to Kunming leaves the gate
23 h 50 apart on the timetable, overnight
8L 9976 leaves 23 h 50 after MU 6552 arrives on the timetable: more than half a day, so not a connection we count.