KL 1360 then KL 855 at Schiphol
Prague → Amsterdam → Seoul
Timetable, Amsterdam time
21:50KL 1360 from Prague at the gate
21:00KL 855 to Seoul leaves the gate
23 h 10 apart on the timetable, overnight
KL 855 leaves 23 h 10 after KL 1360 arrives on the timetable: more than half a day, so not a connection we count.