FR 8357 then FR 6404 at Manchester
Budapest → Manchester → Katowice
Timetable, Manchester time
12:40FR 8357 from Budapest at the gate
08:45FR 6404 to Katowice leaves the gate
20 h 05 apart on the timetable, overnight
FR 6404 leaves 20 h 05 after FR 8357 arrives on the timetable: more than half a day, so not a connection we count.