U2 3301 then KL 1923 at Schiphol
Edinburgh → Amsterdam → Zurich
Timetable, Amsterdam time
21:05U2 3301 from Edinburgh at the gate
15:20KL 1923 to Zurich leaves the gate
18 h 15 apart on the timetable, overnight
KL 1923 leaves 18 h 15 after U2 3301 arrives on the timetable: more than half a day, so not a connection we count.