X3 4579 then EN 396 at Frankfurt
Larnaca → Frankfurt am Main → Luxembourg
Timetable, Frankfurt am Main time
22:00X3 4579 from Larnaca at the gate
17:15EN 396 to Luxembourg leaves the gate
19 h 15 apart on the timetable, overnight
EN 396 leaves 19 h 15 after X3 4579 arrives on the timetable: more than half a day, so not a connection we count.