FR 1987 then FR 9582 at Dublin
Nantes → Dublin → Iasi
Timetable, Dublin time
16:55FR 1987 from Nantes at the gate
12:45FR 9582 to Iasi leaves the gate
19 h 50 apart on the timetable, overnight
FR 9582 leaves 19 h 50 after FR 1987 arrives on the timetable: more than half a day, so not a connection we count.