9C 8680 then CZ 5301 at Guangzhou
Shijiazhuang → Guangzhou → Harbin
Timetable, Guangzhou time
19:559C 8680 from Shijiazhuang at the gate
18:55CZ 5301 to Harbin leaves the gate
23 h apart on the timetable, overnight
CZ 5301 leaves 23 h after 9C 8680 arrives on the timetable: more than half a day, so not a connection we count.