FR 1918 then FR 4096 at Manchester
Dublin → Manchester → Riga
Timetable, Manchester time
15:25FR 1918 from Dublin at the gate
07:40FR 4096 to Riga leaves the gate
16 h 15 apart on the timetable, overnight
FR 4096 leaves 16 h 15 after FR 1918 arrives on the timetable: more than half a day, so not a connection we count.