FR 819 then FR 122 at Dublin
Edinburgh → Dublin → London Gatwick
Timetable, Dublin time
09:00FR 819 from Edinburgh at the gate
06:55FR 122 to London Gatwick leaves the gate
21 h 55 apart on the timetable, overnight
FR 122 leaves 21 h 55 after FR 819 arrives on the timetable: more than half a day, so not a connection we count.