FR 612 then FR 556 at Dublin
Killarney → Dublin → Manchester
Timetable, Dublin time
18:30FR 612 from Killarney at the gate
16:25FR 556 to Manchester leaves the gate
21 h 55 apart on the timetable, overnight
FR 556 leaves 21 h 55 after FR 612 arrives on the timetable: more than half a day, so not a connection we count.