EI 3612 then FR 1957 at Manchester
Belfast City → Manchester → Dublin
Timetable, Manchester time
12:40EI 3612 from Belfast City at the gate
09:00FR 1957 to Dublin leaves the gate
20 h 20 apart on the timetable, overnight
FR 1957 leaves 20 h 20 after EI 3612 arrives on the timetable: more than half a day, so not a connection we count.