4Z 231 then 4Z 951 at Johannesburg
Nampula → Johannesburg → Cape Town
Timetable, Johannesburg time
16:304Z 231 from Nampula at the gate
16:204Z 951 to Cape Town leaves the gate
23 h 50 apart on the timetable, overnight
4Z 951 leaves 23 h 50 after 4Z 231 arrives on the timetable: more than half a day, so not a connection we count.