FR 6631 then FR 4096 at Manchester
Cologne → Manchester → Riga
Timetable, Manchester time
10:20FR 6631 from Cologne at the gate
07:40FR 4096 to Riga leaves the gate
21 h 20 apart on the timetable, overnight
FR 4096 leaves 21 h 20 after FR 6631 arrives on the timetable: more than half a day, so not a connection we count.