5Z 511 then 5Z 860 at Johannesburg
Kimberley → Johannesburg → Cape Town
Timetable, Johannesburg time
16:555Z 511 from Kimberley at the gate
11:005Z 860 to Cape Town leaves the gate
18 h 05 apart on the timetable, overnight
5Z 860 leaves 18 h 05 after 5Z 511 arrives on the timetable: more than half a day, so not a connection we count.