SK 668 then FR 8523 at Copenhagen
Stuttgart → Copenhagen → Poznan
Timetable, Copenhagen time
16:45SK 668 from Stuttgart at the gate
06:10FR 8523 to Poznan leaves the gate
13 h 25 apart on the timetable, overnight
FR 8523 leaves 13 h 25 after SK 668 arrives on the timetable: more than half a day, so not a connection we count.