FR 420 then KL 1531 at Schiphol
Dublin → Amsterdam → Valencia
Timetable, Amsterdam time
14:40FR 420 from Dublin at the gate
13:45KL 1531 to Valencia leaves the gate
23 h 05 apart on the timetable, overnight
KL 1531 leaves 23 h 05 after FR 420 arrives on the timetable: more than half a day, so not a connection we count.