A3 991 then GQ 320 at Athens
Istanbul → Athens → Limnos
Timetable, Athens time
11:55A3 991 from Istanbul at the gate
11:30GQ 320 to Limnos leaves the gate
23 h 35 apart on the timetable, overnight
GQ 320 leaves 23 h 35 after A3 991 arrives on the timetable: more than half a day, so not a connection we count.