FR 505 then FR 1958 at Dublin
Bristol → Dublin → Nice
Timetable, Dublin time
20:20FR 505 from Bristol at the gate
16:40FR 1958 to Nice leaves the gate
20 h 20 apart on the timetable, overnight
FR 1958 leaves 20 h 20 after FR 505 arrives on the timetable: more than half a day, so not a connection we count.