A3 301 then A3 240 at Athens
Heraklion → Athens → Samos
Timetable, Athens time
06:50A3 301 from Heraklion at the gate
06:20A3 240 to Samos leaves the gate
23 h 30 apart on the timetable, overnight
A3 240 leaves 23 h 30 after A3 301 arrives on the timetable: more than half a day, so not a connection we count.