HU 7578 then CA 1215 at Beijing
Hangzhou → Beijing → Kashgar
Timetable, Beijing time
10:00HU 7578 from Hangzhou at the gate
07:00CA 1215 to Kashgar leaves the gate
21 h apart on the timetable, overnight
CA 1215 leaves 21 h after HU 7578 arrives on the timetable: more than half a day, so not a connection we count.