FR 4777 then FR 1917 at Manchester
Shannon → Manchester → Dublin
Timetable, Manchester time
18:30FR 4777 from Shannon at the gate
15:50FR 1917 to Dublin leaves the gate
21 h 20 apart on the timetable, overnight
FR 1917 leaves 21 h 20 after FR 4777 arrives on the timetable: more than half a day, so not a connection we count.