EW 522 then DY 3659 at Barcelona
Cologne → Barcelona → Copenhagen
Timetable, Barcelona time
19:45EW 522 from Cologne at the gate
14:45DY 3659 to Copenhagen leaves the gate
19 h apart on the timetable, overnight
DY 3659 leaves 19 h after EW 522 arrives on the timetable: more than half a day, so not a connection we count.