FR 80 then SK 769 at Copenhagen
Budapest → Copenhagen → Prague
Timetable, Copenhagen time
13:50FR 80 from Budapest at the gate
13:00SK 769 to Prague leaves the gate
23 h 10 apart on the timetable, overnight
SK 769 leaves 23 h 10 after FR 80 arrives on the timetable: more than half a day, so not a connection we count.