FR 3976 then FR 9582 at Dublin
Barcelona → Dublin → Iasi
Timetable, Dublin time
21:25FR 3976 from Barcelona at the gate
16:05FR 9582 to Iasi leaves the gate
18 h 40 apart on the timetable, overnight
FR 9582 leaves 18 h 40 after FR 3976 arrives on the timetable: more than half a day, so not a connection we count.