5Z 511 then SA 327 at Johannesburg
Kimberley → Johannesburg → Cape Town
Timetable, Johannesburg time
16:555Z 511 from Kimberley at the gate
13:25SA 327 to Cape Town leaves the gate
20 h 30 apart on the timetable, overnight
SA 327 leaves 20 h 30 after 5Z 511 arrives on the timetable: more than half a day, so not a connection we count.