FR 1987 then FR 814 at Dublin
Nantes → Dublin → Edinburgh
Timetable, Dublin time
09:45FR 1987 from Nantes at the gate
07:30FR 814 to Edinburgh leaves the gate
21 h 45 apart on the timetable, overnight
FR 814 leaves 21 h 45 after FR 1987 arrives on the timetable: more than half a day, so not a connection we count.