CZ 5834 then CZ 6732 at Guangzhou
Altay → Guangzhou → Sanya
Timetable, Guangzhou time
23:35CZ 5834 from Altay at the gate
23:25CZ 6732 to Sanya leaves the gate
23 h 50 apart on the timetable, overnight
CZ 6732 leaves 23 h 50 after CZ 5834 arrives on the timetable: more than half a day, so not a connection we count.