EI 3610 then EI 3329 at Manchester
Belfast City → Manchester → Dublin
Timetable, Manchester time
08:10EI 3610 from Belfast City at the gate
20:55EI 3329 to Dublin leaves the gate
12 h 45 apart on the timetable
EI 3329 leaves 12 h 45 after EI 3610 arrives on the timetable: more than half a day, so not a connection we count.