GQ 875 then EC 3656 at Athens
Berlin → Athens → Milan
Timetable, Athens time
19:25GQ 875 from Berlin at the gate
10:50EC 3656 to Milan leaves the gate
15 h 25 apart on the timetable, overnight
EC 3656 leaves 15 h 25 after GQ 875 arrives on the timetable: more than half a day, so not a connection we count.