CA 1246 then CA 975 at Beijing
Hotan → Beijing → Singapore
Timetable, Beijing time
01:00CA 1246 from Hotan at the gate
00:15CA 975 to Singapore leaves the gate
23 h 15 apart on the timetable, overnight
CA 975 leaves 23 h 15 after CA 1246 arrives on the timetable: more than half a day, so not a connection we count.