DY 5510 then FR 8523 at Copenhagen
Barcelona → Copenhagen → Poznan
Timetable, Copenhagen time
10:55DY 5510 from Barcelona at the gate
06:10FR 8523 to Poznan leaves the gate
19 h 15 apart on the timetable, overnight
FR 8523 leaves 19 h 15 after DY 5510 arrives on the timetable: more than half a day, so not a connection we count.