FR 817 then FR 5306 at Dublin
Edinburgh → Dublin → Killarney
Timetable, Dublin time
12:50FR 817 from Edinburgh at the gate
09:05FR 5306 to Killarney leaves the gate
20 h 15 apart on the timetable, overnight
FR 5306 leaves 20 h 15 after FR 817 arrives on the timetable: more than half a day, so not a connection we count.