FR 879 then EW 523 at Barcelona
Venezia → Barcelona → Cologne
Timetable, Barcelona time
21:10FR 879 from Venezia at the gate
20:25EW 523 to Cologne leaves the gate
23 h 15 apart on the timetable, overnight
EW 523 leaves 23 h 15 after FR 879 arrives on the timetable: more than half a day, so not a connection we count.