QR 7 then KL 9936 at Heathrow
Doha → London → Amsterdam
Timetable, London time
13:25QR 7 from Doha at the gate
12:13KL 9936 to Amsterdam leaves the gate
22 h 48 apart on the timetable, overnight
KL 9936 leaves 22 h 48 after QR 7 arrives on the timetable: more than half a day, so not a connection we count.