CY 310 then A3 354 at Athens
Larnaca → Athens → Santorini
Timetable, Athens time
10:20CY 310 from Larnaca at the gate
10:00A3 354 to Santorini leaves the gate
23 h 40 apart on the timetable, overnight
A3 354 leaves 23 h 40 after CY 310 arrives on the timetable: more than half a day, so not a connection we count.