BA 835 then SK 812 at Heathrow
Dublin → London → Oslo
Timetable, London time
19:55BA 835 from Dublin at the gate
19:50SK 812 to Oslo leaves the gate
23 h 55 apart on the timetable, overnight
SK 812 leaves 23 h 55 after BA 835 arrives on the timetable: more than half a day, so not a connection we count.