FR 1917 then FR 4518 at Dublin
Manchester → Dublin → Athens
Timetable, Dublin time
23:15FR 1917 from Manchester at the gate
17:50FR 4518 to Athens leaves the gate
18 h 35 apart on the timetable, overnight
FR 4518 leaves 18 h 35 after FR 1917 arrives on the timetable: more than half a day, so not a connection we count.