FR 3036 then QR 3669 at Barcelona
Krakow → Barcelona → Nice
Timetable, Barcelona time
23:40FR 3036 from Krakow at the gate
21:20QR 3669 to Nice leaves the gate
21 h 40 apart on the timetable, overnight
QR 3669 leaves 21 h 40 after FR 3036 arrives on the timetable: more than half a day, so not a connection we count.