LX 1830 then A3 780 at Athens
Zurich → Athens → Zagreb
Timetable, Athens time
12:55LX 1830 from Zurich at the gate
07:35A3 780 to Zagreb leaves the gate
18 h 40 apart on the timetable, overnight
A3 780 leaves 18 h 40 after LX 1830 arrives on the timetable: more than half a day, so not a connection we count.