FR 421 then FR 5203 at Dublin
Amsterdam → Dublin → Sofia
Timetable, Dublin time
17:15FR 421 from Amsterdam at the gate
08:20FR 5203 to Sofia leaves the gate
15 h 05 apart on the timetable, overnight
FR 5203 leaves 15 h 05 after FR 421 arrives on the timetable: more than half a day, so not a connection we count.