AZ 204 then KL 9936 at Heathrow
Rome → London → Amsterdam
Timetable, London time
15:40AZ 204 from Rome at the gate
14:27KL 9936 to Amsterdam leaves the gate
22 h 47 apart on the timetable, overnight
KL 9936 leaves 22 h 47 after AZ 204 arrives on the timetable: more than half a day, so not a connection we count.