FR 1566 then CA 844 at Vienna
Catania → Vienna → Beijing
Timetable, Vienna time
22:00FR 1566 from Catania at the gate
18:20CA 844 to Beijing leaves the gate
20 h 20 apart on the timetable, overnight
CA 844 leaves 20 h 20 after FR 1566 arrives on the timetable: more than half a day, so not a connection we count.