DY 2002 then DY 1502 at Oslo
Riga → Oslo → Prague
Timetable, Oslo time
15:40DY 2002 from Riga at the gate
11:50DY 1502 to Prague leaves the gate
20 h 10 apart on the timetable, overnight
DY 1502 leaves 20 h 10 after DY 2002 arrives on the timetable: more than half a day, so not a connection we count.