GQ 925 then A3 358 at Athens
Lyon → Athens → Santorini
Timetable, Athens time
23:10GQ 925 from Lyon at the gate
16:55A3 358 to Santorini leaves the gate
17 h 45 apart on the timetable, overnight
A3 358 leaves 17 h 45 after GQ 925 arrives on the timetable: more than half a day, so not a connection we count.