FR 3050 then EW 523 at Barcelona
Krakow → Barcelona → Cologne
Timetable, Barcelona time
21:05FR 3050 from Krakow at the gate
20:25EW 523 to Cologne leaves the gate
23 h 20 apart on the timetable, overnight
EW 523 leaves 23 h 20 after FR 3050 arrives on the timetable: more than half a day, so not a connection we count.