GQ 461 then GQ 244 at Athens
Karpathos → Athens → Chios
Timetable, Athens time
21:15GQ 461 from Karpathos at the gate
20:00GQ 244 to Chios leaves the gate
22 h 45 apart on the timetable, overnight
GQ 244 leaves 22 h 45 after GQ 461 arrives on the timetable: more than half a day, so not a connection we count.