FR 37 then FR 4096 at Manchester
Carcassonne → Manchester → Riga
Timetable, Manchester time
13:10FR 37 from Carcassonne at the gate
10:35FR 4096 to Riga leaves the gate
21 h 25 apart on the timetable, overnight
FR 4096 leaves 21 h 25 after FR 37 arrives on the timetable: more than half a day, so not a connection we count.