SK 594 then FR 8523 at Copenhagen
Brussels → Copenhagen → Poznan
Timetable, Copenhagen time
11:50SK 594 from Brussels at the gate
06:10FR 8523 to Poznan leaves the gate
18 h 20 apart on the timetable, overnight
FR 8523 leaves 18 h 20 after SK 594 arrives on the timetable: more than half a day, so not a connection we count.