KL 606 then HV 6337 at Schiphol
San Francisco → Amsterdam → Valencia
Timetable, Amsterdam time
09:10KL 606 from San Francisco at the gate
07:25HV 6337 to Valencia leaves the gate
22 h 15 apart on the timetable, overnight
HV 6337 leaves 22 h 15 after KL 606 arrives on the timetable: more than half a day, so not a connection we count.