GQ 421 then A3 276 at Athens
Zakynthos → Athens → Chios
Timetable, Athens time
19:15GQ 421 from Zakynthos at the gate
19:10A3 276 to Chios leaves the gate
23 h 55 apart on the timetable, overnight
A3 276 leaves 23 h 55 after GQ 421 arrives on the timetable: more than half a day, so not a connection we count.