FR 3109 then FR 1681 at Barcelona
Luxembourg → Barcelona → Hahn
Timetable, Barcelona time
20:20FR 3109 from Luxembourg at the gate
19:35FR 1681 to Hahn leaves the gate
23 h 15 apart on the timetable, overnight
FR 1681 leaves 23 h 15 after FR 3109 arrives on the timetable: more than half a day, so not a connection we count.