QR 3579 then EC 7153 at Barcelona
Seville → Barcelona → Milan
Timetable, Barcelona time
15:50QR 3579 from Seville at the gate
12:15EC 7153 to Milan leaves the gate
20 h 25 apart on the timetable, overnight
EC 7153 leaves 20 h 25 after QR 3579 arrives on the timetable: more than half a day, so not a connection we count.