EW 7524 then QR 3670 at Barcelona
Hamburg → Barcelona → Nantes
Timetable, Barcelona time
18:05EW 7524 from Hamburg at the gate
07:40QR 3670 to Nantes leaves the gate
13 h 35 apart on the timetable, overnight
QR 3670 leaves 13 h 35 after EW 7524 arrives on the timetable: more than half a day, so not a connection we count.