FR 80 then SK 1456 at Copenhagen
Budapest → Copenhagen → Oslo
Timetable, Copenhagen time
13:50FR 80 from Budapest at the gate
13:05SK 1456 to Oslo leaves the gate
23 h 15 apart on the timetable, overnight
SK 1456 leaves 23 h 15 after FR 80 arrives on the timetable: more than half a day, so not a connection we count.