FR 5020 then FR 120 at Dublin
Pisa → Dublin → London Gatwick
Timetable, Dublin time
12:35FR 5020 from Pisa at the gate
08:35FR 120 to London Gatwick leaves the gate
20 h apart on the timetable, overnight
FR 120 leaves 20 h after FR 5020 arrives on the timetable: more than half a day, so not a connection we count.