FR 438 then FR 1976 at Dublin
Reus → Dublin → Riga
Timetable, Dublin time
12:50FR 438 from Reus at the gate
09:45FR 1976 to Riga leaves the gate
20 h 55 apart on the timetable, overnight
FR 1976 leaves 20 h 55 after FR 438 arrives on the timetable: more than half a day, so not a connection we count.