JU 332 then LX 1512 at Zurich
Belgrade → Zurich → Graz
Timetable, Zurich time
14:20JU 332 from Belgrade at the gate
13:30LX 1512 to Graz leaves the gate
23 h 10 apart on the timetable, overnight
LX 1512 leaves 23 h 10 after JU 332 arrives on the timetable: more than half a day, so not a connection we count.