FR 421 then FR 1976 at Dublin
Amsterdam → Dublin → Riga
Timetable, Dublin time
17:00FR 421 from Amsterdam at the gate
09:45FR 1976 to Riga leaves the gate
16 h 45 apart on the timetable, overnight
FR 1976 leaves 16 h 45 after FR 421 arrives on the timetable: more than half a day, so not a connection we count.