DY 4572 then DY 4125 at Arlanda
Prague → Stockholm → Oslo
Timetable, Stockholm time
23:20DY 4572 from Prague at the gate
19:50DY 4125 to Oslo leaves the gate
20 h 30 apart on the timetable, overnight
DY 4125 leaves 20 h 30 after DY 4572 arrives on the timetable: more than half a day, so not a connection we count.