SK 1842 then SK 407 at Arlanda
Rome → Stockholm → Copenhagen
Timetable, Stockholm time
23:55SK 1842 from Rome at the gate
18:00SK 407 to Copenhagen leaves the gate
18 h 05 apart on the timetable, overnight
SK 407 leaves 18 h 05 after SK 1842 arrives on the timetable: more than half a day, so not a connection we count.