FR 817 then FR 1918 at Dublin
Edinburgh → Dublin → Manchester
Timetable, Dublin time
12:50FR 817 from Edinburgh at the gate
06:55FR 1918 to Manchester leaves the gate
18 h 05 apart on the timetable, overnight
FR 1918 leaves 18 h 05 after FR 817 arrives on the timetable: more than half a day, so not a connection we count.