FR 552 then FR 6630 at Manchester
Dublin → Manchester → Cologne
Timetable, Manchester time
13:40FR 552 from Dublin at the gate
10:45FR 6630 to Cologne leaves the gate
21 h 05 apart on the timetable, overnight
FR 6630 leaves 21 h 05 after FR 552 arrives on the timetable: more than half a day, so not a connection we count.