A3 923 then JU 533 at Athens
Tel Aviv → Athens → Belgrade
Timetable, Athens time
17:15A3 923 from Tel Aviv at the gate
15:50JU 533 to Belgrade leaves the gate
22 h 35 apart on the timetable, overnight
JU 533 leaves 22 h 35 after A3 923 arrives on the timetable: more than half a day, so not a connection we count.