FR 9320 then FR 1948 at Dublin
Trieste → Dublin → Luxembourg
Timetable, Dublin time
12:35FR 9320 from Trieste at the gate
10:15FR 1948 to Luxembourg leaves the gate
21 h 40 apart on the timetable, overnight
FR 1948 leaves 21 h 40 after FR 9320 arrives on the timetable: more than half a day, so not a connection we count.