LX 1822 then A3 712 at Athens
Geneva → Athens → Barcelona
Timetable, Athens time
19:15LX 1822 from Geneva at the gate
16:40A3 712 to Barcelona leaves the gate
21 h 25 apart on the timetable, overnight
A3 712 leaves 21 h 25 after LX 1822 arrives on the timetable: more than half a day, so not a connection we count.