FR 123 then FR 1556 at Dublin
London Gatwick → Dublin → Manchester
Timetable, Dublin time
16:15FR 123 from London Gatwick at the gate
08:05FR 1556 to Manchester leaves the gate
15 h 50 apart on the timetable, overnight
FR 1556 leaves 15 h 50 after FR 123 arrives on the timetable: more than half a day, so not a connection we count.