FR 819 then FR 114 at Dublin
Edinburgh → Dublin → London Gatwick
Timetable, Dublin time
09:00FR 819 from Edinburgh at the gate
08:00FR 114 to London Gatwick leaves the gate
23 h apart on the timetable, overnight
FR 114 leaves 23 h after FR 819 arrives on the timetable: more than half a day, so not a connection we count.