A3 355 then GQ 924 at Athens
Santorini → Athens → Lyon
Timetable, Athens time
12:40A3 355 from Santorini at the gate
07:20GQ 924 to Lyon leaves the gate
18 h 40 apart on the timetable, overnight
GQ 924 leaves 18 h 40 after A3 355 arrives on the timetable: more than half a day, so not a connection we count.