FR 6817 then FR 6630 at Manchester
Milan → Manchester → Cologne
Timetable, Manchester time
11:30FR 6817 from Milan at the gate
10:45FR 6630 to Cologne leaves the gate
23 h 15 apart on the timetable, overnight
FR 6630 leaves 23 h 15 after FR 6817 arrives on the timetable: more than half a day, so not a connection we count.