5Z 511 then 4Z 168 at Johannesburg
Kimberley → Johannesburg → Lusaka
Timetable, Johannesburg time
16:555Z 511 from Kimberley at the gate
14:254Z 168 to Lusaka leaves the gate
21 h 30 apart on the timetable, overnight
4Z 168 leaves 21 h 30 after 5Z 511 arrives on the timetable: more than half a day, so not a connection we count.