FR 4937 then FR 5824 at Athens
Wroclaw → Athens → Venezia
Timetable, Athens time
23:50FR 4937 from Wroclaw at the gate
16:50FR 5824 to Venezia leaves the gate
17 h apart on the timetable, overnight
FR 5824 leaves 17 h after FR 4937 arrives on the timetable: more than half a day, so not a connection we count.