FR 12 then EW 7753 at Vienna
Barcelona → Vienna → Hamburg
Timetable, Vienna time
17:20FR 12 from Barcelona at the gate
15:10EW 7753 to Hamburg leaves the gate
21 h 50 apart on the timetable, overnight
EW 7753 leaves 21 h 50 after FR 12 arrives on the timetable: more than half a day, so not a connection we count.