FR 1979 then FR 1958 at Dublin
Lodz → Dublin → Nice
Timetable, Dublin time
22:15FR 1979 from Lodz at the gate
16:40FR 1958 to Nice leaves the gate
18 h 25 apart on the timetable, overnight
FR 1958 leaves 18 h 25 after FR 1979 arrives on the timetable: more than half a day, so not a connection we count.