KL 1650 then VY 7906 at Schiphol
Firenze → Amsterdam → Valencia
Timetable, Amsterdam time
08:45KL 1650 from Firenze at the gate
21:40VY 7906 to Valencia leaves the gate
12 h 55 apart on the timetable
VY 7906 leaves 12 h 55 after KL 1650 arrives on the timetable: more than half a day, so not a connection we count.