CA 1246 then HU 7535 at Beijing
Hotan → Beijing → Changsha
Timetable, Beijing time
01:00CA 1246 from Hotan at the gate
20:55HU 7535 to Changsha leaves the gate
19 h 55 apart on the timetable
HU 7535 leaves 19 h 55 after CA 1246 arrives on the timetable: more than half a day, so not a connection we count.