LX 358 then ZH 888 at Heathrow
Geneva → London → Shenzhen
Timetable, London time
21:25LX 358 from Geneva at the gate
21:10ZH 888 to Shenzhen leaves the gate
23 h 45 apart on the timetable, overnight
ZH 888 leaves 23 h 45 after LX 358 arrives on the timetable: more than half a day, so not a connection we count.