FR 7958 then FR 4545 at Barcelona
Cork → Barcelona → Porto
Timetable, Barcelona time
22:55FR 7958 from Cork at the gate
21:15FR 4545 to Porto leaves the gate
22 h 20 apart on the timetable, overnight
FR 4545 leaves 22 h 20 after FR 7958 arrives on the timetable: more than half a day, so not a connection we count.