FR 6524 then FR 4271 at Barcelona
Bratislava → Barcelona → Poznan
Timetable, Barcelona time
19:35FR 6524 from Bratislava at the gate
17:55FR 4271 to Poznan leaves the gate
22 h 20 apart on the timetable, overnight
FR 4271 leaves 22 h 20 after FR 6524 arrives on the timetable: more than half a day, so not a connection we count.