DY 4151 then DY 3640 at Copenhagen
Stockholm → Copenhagen → Nice
Timetable, Copenhagen time
08:10DY 4151 from Stockholm at the gate
08:00DY 3640 to Nice leaves the gate
23 h 50 apart on the timetable, overnight
DY 3640 leaves 23 h 50 after DY 4151 arrives on the timetable: more than half a day, so not a connection we count.