FR 815 then FR 156 at Dublin
Edinburgh → Dublin → Leeds
Timetable, Dublin time
20:05FR 815 from Edinburgh at the gate
11:20FR 156 to Leeds leaves the gate
15 h 15 apart on the timetable, overnight
FR 156 leaves 15 h 15 after FR 815 arrives on the timetable: more than half a day, so not a connection we count.