FR 456 then FR 1892 at Dublin
Leeds → Dublin → Bydgoszcz
Timetable, Dublin time
20:35FR 456 from Leeds at the gate
09:05FR 1892 to Bydgoszcz leaves the gate
12 h 30 apart on the timetable, overnight
FR 1892 leaves 12 h 30 after FR 456 arrives on the timetable: more than half a day, so not a connection we count.