FR 554 then FR 4096 at Manchester
Dublin → Manchester → Riga
Timetable, Manchester time
19:35FR 554 from Dublin at the gate
07:40FR 4096 to Riga leaves the gate
12 h 05 apart on the timetable, overnight
FR 4096 leaves 12 h 05 after FR 554 arrives on the timetable: more than half a day, so not a connection we count.