CZ 3291 then CZ 3333 at Guangzhou
Nanning → Guangzhou → Meixian
Timetable, Guangzhou time
08:45CZ 3291 from Nanning at the gate
06:30CZ 3333 to Meixian leaves the gate
21 h 45 apart on the timetable, overnight
CZ 3333 leaves 21 h 45 after CZ 3291 arrives on the timetable: more than half a day, so not a connection we count.