BT 159 then DY 816 at Oslo
Riga → Oslo → Stockholm
Timetable, Oslo time
13:30BT 159 from Riga at the gate
12:10DY 816 to Stockholm leaves the gate
22 h 40 apart on the timetable, overnight
DY 816 leaves 22 h 40 after BT 159 arrives on the timetable: more than half a day, so not a connection we count.