FR 553 then FR 668 at Dublin
Manchester → Dublin → Birmingham (UK)
Timetable, Dublin time
16:00FR 553 from Manchester at the gate
12:20FR 668 to Birmingham (UK) leaves the gate
20 h 20 apart on the timetable, overnight
FR 668 leaves 20 h 20 after FR 553 arrives on the timetable: more than half a day, so not a connection we count.