FR 4777 then FR 1957 at Manchester
Shannon → Manchester → Dublin
Timetable, Manchester time
13:45FR 4777 from Shannon at the gate
09:00FR 1957 to Dublin leaves the gate
19 h 15 apart on the timetable, overnight
FR 1957 leaves 19 h 15 after FR 4777 arrives on the timetable: more than half a day, so not a connection we count.