FR 1977 then FR 156 at Dublin
Riga → Dublin → Leeds
Timetable, Dublin time
17:20FR 1977 from Riga at the gate
11:20FR 156 to Leeds leaves the gate
18 h apart on the timetable, overnight
FR 156 leaves 18 h after FR 1977 arrives on the timetable: more than half a day, so not a connection we count.