FR 1453 then FR 840 at Dublin
Brussels → Dublin → Edinburgh
Timetable, Dublin time
10:55FR 1453 from Brussels at the gate
23:10FR 840 to Edinburgh leaves the gate
12 h 15 apart on the timetable
FR 840 leaves 12 h 15 after FR 1453 arrives on the timetable: more than half a day, so not a connection we count.