FR 9986 then FR 3669 at Dublin
Porto → Dublin → Berlin
Timetable, Dublin time
10:15FR 9986 from Porto at the gate
06:20FR 3669 to Berlin leaves the gate
20 h 05 apart on the timetable, overnight
FR 3669 leaves 20 h 05 after FR 9986 arrives on the timetable: more than half a day, so not a connection we count.