FR 420 then KL 1757 at Schiphol
Dublin → Amsterdam → Hamburg
Timetable, Amsterdam time
20:25FR 420 from Dublin at the gate
16:50KL 1757 to Hamburg leaves the gate
20 h 25 apart on the timetable, overnight
KL 1757 leaves 20 h 25 after FR 420 arrives on the timetable: more than half a day, so not a connection we count.