FR 635 then FR 3669 at Dublin
Cardiff → Dublin → Berlin
Timetable, Dublin time
09:35FR 635 from Cardiff at the gate
07:10FR 3669 to Berlin leaves the gate
21 h 35 apart on the timetable, overnight
FR 3669 leaves 21 h 35 after FR 635 arrives on the timetable: more than half a day, so not a connection we count.