A3 781 then EW 2685 at Athens
Zagreb → Athens → Stuttgart
Timetable, Athens time
18:00A3 781 from Zagreb at the gate
11:40EW 2685 to Stuttgart leaves the gate
17 h 40 apart on the timetable, overnight
EW 2685 leaves 17 h 40 after A3 781 arrives on the timetable: more than half a day, so not a connection we count.