A3 809 then A3 898 at Athens
Stuttgart → Athens → Yerevan
Timetable, Athens time
00:00A3 809 from Stuttgart at the gate
23:50A3 898 to Yerevan leaves the gate
23 h 50 apart on the timetable
A3 898 leaves 23 h 50 after A3 809 arrives on the timetable: more than half a day, so not a connection we count.