A3 275 then GQ 212 at Athens
Chios → Athens → Heraklion
Timetable, Athens time
17:00A3 275 from Chios at the gate
14:10GQ 212 to Heraklion leaves the gate
21 h 10 apart on the timetable, overnight
GQ 212 leaves 21 h 10 after A3 275 arrives on the timetable: more than half a day, so not a connection we count.