KL 515 then DY 1259 at Schiphol
Dar es Salaam → Amsterdam → Oslo
Timetable, Amsterdam time
07:45KL 515 from Dar es Salaam at the gate
20:00DY 1259 to Oslo leaves the gate
12 h 15 apart on the timetable
DY 1259 leaves 12 h 15 after KL 515 arrives on the timetable: more than half a day, so not a connection we count.