FR 148 then FR 3108 at Barcelona
Berlin → Barcelona → Luxembourg
Timetable, Barcelona time
20:00FR 148 from Berlin at the gate
08:35FR 3108 to Luxembourg leaves the gate
12 h 35 apart on the timetable, overnight
FR 3108 leaves 12 h 35 after FR 148 arrives on the timetable: more than half a day, so not a connection we count.