BA 483 then EK 32 at Heathrow
Barcelona → London → Dubai
Timetable, London time
19:25BA 483 from Barcelona at the gate
19:00EK 32 to Dubai leaves the gate
23 h 35 apart on the timetable, overnight
EK 32 leaves 23 h 35 after BA 483 arrives on the timetable: more than half a day, so not a connection we count.