FR 555 then FR 5203 at Dublin
Manchester → Dublin → Sofia
Timetable, Dublin time
19:45FR 555 from Manchester at the gate
08:20FR 5203 to Sofia leaves the gate
12 h 35 apart on the timetable, overnight
FR 5203 leaves 12 h 35 after FR 555 arrives on the timetable: more than half a day, so not a connection we count.