CZ 3502 then KR 936 at Guangzhou
Hangzhou → Guangzhou → Phnom Penh
Timetable, Guangzhou time
21:05CZ 3502 from Hangzhou at the gate
20:00KR 936 to Phnom Penh leaves the gate
22 h 55 apart on the timetable, overnight
KR 936 leaves 22 h 55 after CZ 3502 arrives on the timetable: more than half a day, so not a connection we count.