FR 5044 then FR 5021 at Dublin
Hamburg → Dublin → Pisa
Timetable, Dublin time
11:35FR 5044 from Hamburg at the gate
06:35FR 5021 to Pisa leaves the gate
19 h apart on the timetable, overnight
FR 5021 leaves 19 h after FR 5044 arrives on the timetable: more than half a day, so not a connection we count.