FR 635 then FR 1956 at Dublin
Cardiff → Dublin → Manchester
Timetable, Dublin time
09:35FR 635 from Cardiff at the gate
07:25FR 1956 to Manchester leaves the gate
21 h 50 apart on the timetable, overnight
FR 1956 leaves 21 h 50 after FR 635 arrives on the timetable: more than half a day, so not a connection we count.