CZ 3224 then HU 7213 at Guangzhou
Yan'an → Guangzhou → Nanjing
Timetable, Guangzhou time
00:05CZ 3224 from Yan'an at the gate
14:15HU 7213 to Nanjing leaves the gate
14 h 10 apart on the timetable
HU 7213 leaves 14 h 10 after CZ 3224 arrives on the timetable: more than half a day, so not a connection we count.