ZH 8904 then CA 1352 at Guangzhou
Zhengzhou → Guangzhou → Beijing Capital
Timetable, Guangzhou time
13:55ZH 8904 from Zhengzhou at the gate
12:45CA 1352 to Beijing Capital leaves the gate
22 h 50 apart on the timetable, overnight
CA 1352 leaves 22 h 50 after ZH 8904 arrives on the timetable: more than half a day, so not a connection we count.