AY 392 then DY 2085 at Helsinki
Kokkola → Helsinki → Oslo
Timetable, Helsinki time
15:15AY 392 from Kokkola at the gate
12:25DY 2085 to Oslo leaves the gate
21 h 10 apart on the timetable, overnight
DY 2085 leaves 21 h 10 after AY 392 arrives on the timetable: more than half a day, so not a connection we count.