FR 1977 then FR 9456 at Dublin
Riga → Dublin → Bologna
Timetable, Dublin time
20:35FR 1977 from Riga at the gate
13:10FR 9456 to Bologna leaves the gate
16 h 35 apart on the timetable, overnight
FR 9456 leaves 16 h 35 after FR 1977 arrives on the timetable: more than half a day, so not a connection we count.