A3 803 then GQ 840 at Athens
Munich → Athens → Vienna
Timetable, Athens time
14:35A3 803 from Munich at the gate
11:40GQ 840 to Vienna leaves the gate
21 h 05 apart on the timetable, overnight
GQ 840 leaves 21 h 05 after A3 803 arrives on the timetable: more than half a day, so not a connection we count.