KL 1930 then U2 7925 at Schiphol
Geneva → Amsterdam → Prague
Timetable, Amsterdam time
11:00KL 1930 from Geneva at the gate
07:00U2 7925 to Prague leaves the gate
20 h apart on the timetable, overnight
U2 7925 leaves 20 h after KL 1930 arrives on the timetable: more than half a day, so not a connection we count.