W6 7641 then W6 1176 at Barcelona
Podgorica → Barcelona → Katowice
Timetable, Barcelona time
21:30W6 7641 from Podgorica at the gate
16:05W6 1176 to Katowice leaves the gate
18 h 35 apart on the timetable, overnight
W6 1176 leaves 18 h 35 after W6 7641 arrives on the timetable: more than half a day, so not a connection we count.