BA 1383 then BA 930 at Heathrow
Manchester → London → Düsseldorf
Timetable, London time
07:35BA 1383 from Manchester at the gate
06:40BA 930 to Düsseldorf leaves the gate
23 h 05 apart on the timetable, overnight
BA 930 leaves 23 h 05 after BA 1383 arrives on the timetable: more than half a day, so not a connection we count.