KL 9936 then HV 6869 at Schiphol
Forli → Amsterdam → Athens
Timetable, Amsterdam time
21:22KL 9936 from Forli at the gate
16:20HV 6869 to Athens leaves the gate
18 h 58 apart on the timetable, overnight
HV 6869 leaves 18 h 58 after KL 9936 arrives on the timetable: more than half a day, so not a connection we count.