KL 9936 then KL 1957 at Schiphol
Forli → Amsterdam → Athens
Timetable, Amsterdam time
07:50KL 9936 from Forli at the gate
21:10KL 1957 to Athens leaves the gate
13 h 20 apart on the timetable
KL 1957 leaves 13 h 20 after KL 9936 arrives on the timetable: more than half a day, so not a connection we count.