A3 821 then FR 44 at Athens
Berlin → Athens → Vienna
Timetable, Athens time
15:05A3 821 from Berlin at the gate
14:35FR 44 to Vienna leaves the gate
23 h 30 apart on the timetable, overnight
FR 44 leaves 23 h 30 after A3 821 arrives on the timetable: more than half a day, so not a connection we count.