FR 6839 then FR 1593 at Manchester
Prague → Manchester → Cologne
Timetable, Manchester time
12:00FR 6839 from Prague at the gate
11:00FR 1593 to Cologne leaves the gate
23 h apart on the timetable, overnight
FR 1593 leaves 23 h after FR 6839 arrives on the timetable: more than half a day, so not a connection we count.