GQ 241 then A3 780 at Athens
Chios → Athens → Zagreb
Timetable, Athens time
09:40GQ 241 from Chios at the gate
07:35A3 780 to Zagreb leaves the gate
21 h 55 apart on the timetable, overnight
A3 780 leaves 21 h 55 after GQ 241 arrives on the timetable: more than half a day, so not a connection we count.