GQ 820 then FR 5872 at Fiumicino
Athens → Rome → Gdansk
Timetable, Rome time
12:00GQ 820 from Athens at the gate
09:20FR 5872 to Gdansk leaves the gate
21 h 20 apart on the timetable, overnight
FR 5872 leaves 21 h 20 after GQ 820 arrives on the timetable: more than half a day, so not a connection we count.