FR 3994 then FR 6875 at Dublin
Agadir → Dublin → Barcelona
Timetable, Dublin time
18:15FR 3994 from Agadir at the gate
06:40FR 6875 to Barcelona leaves the gate
12 h 25 apart on the timetable, overnight
FR 6875 leaves 12 h 25 after FR 3994 arrives on the timetable: more than half a day, so not a connection we count.