CZ 3000 then K6 669 at Guangzhou
Beijing Daxing → Guangzhou → Phnom Penh
Timetable, Guangzhou time
13:30CZ 3000 from Beijing Daxing at the gate
13:25K6 669 to Phnom Penh leaves the gate
23 h 55 apart on the timetable, overnight
K6 669 leaves 23 h 55 after CZ 3000 arrives on the timetable: more than half a day, so not a connection we count.