FR 123 then FR 676 at Dublin
London Gatwick → Dublin → Cardiff
Timetable, Dublin time
22:50FR 123 from London Gatwick at the gate
22:25FR 676 to Cardiff leaves the gate
23 h 35 apart on the timetable, overnight
FR 676 leaves 23 h 35 after FR 123 arrives on the timetable: more than half a day, so not a connection we count.