LX 977 then FB 492 at Zurich
Berlin → Zurich → Sofia
Timetable, Zurich time
12:15LX 977 from Berlin at the gate
10:00FB 492 to Sofia leaves the gate
21 h 45 apart on the timetable, overnight
FB 492 leaves 21 h 45 after LX 977 arrives on the timetable: more than half a day, so not a connection we count.