FR 4500 then FR 506 at Dublin
Cologne → Dublin → Bristol
Timetable, Dublin time
11:00FR 4500 from Cologne at the gate
07:50FR 506 to Bristol leaves the gate
20 h 50 apart on the timetable, overnight
FR 506 leaves 20 h 50 after FR 4500 arrives on the timetable: more than half a day, so not a connection we count.