FR 482 then QR 3594 at Barcelona
Málaga → Barcelona → Firenze
Timetable, Barcelona time
15:30FR 482 from Málaga at the gate
13:50QR 3594 to Firenze leaves the gate
22 h 20 apart on the timetable, overnight
QR 3594 leaves 22 h 20 after FR 482 arrives on the timetable: more than half a day, so not a connection we count.