FR 6920 then FR 96 at Dublin
Barcelona → Dublin → Prague
Timetable, Dublin time
08:05FR 6920 from Barcelona at the gate
05:45FR 96 to Prague leaves the gate
21 h 40 apart on the timetable, overnight
FR 96 leaves 21 h 40 after FR 6920 arrives on the timetable: more than half a day, so not a connection we count.