FR 97 then FR 5308 at Dublin
Prague → Dublin → Pisa
Timetable, Dublin time
23:55FR 97 from Prague at the gate
20:15FR 5308 to Pisa leaves the gate
20 h 20 apart on the timetable, overnight
FR 5308 leaves 20 h 20 after FR 97 arrives on the timetable: more than half a day, so not a connection we count.