X3 6573 then 4Y 900 at Frankfurt
Djerba → Frankfurt am Main → Dubrovnik
Timetable, Frankfurt am Main time
11:20X3 6573 from Djerba at the gate
09:254Y 900 to Dubrovnik leaves the gate
22 h 05 apart on the timetable, overnight
4Y 900 leaves 22 h 05 after X3 6573 arrives on the timetable: more than half a day, so not a connection we count.