4Z 752 then 4Z 723 at Johannesburg
Mthatha → Johannesburg → Kimberley
Timetable, Johannesburg time
09:204Z 752 from Mthatha at the gate
09:154Z 723 to Kimberley leaves the gate
23 h 55 apart on the timetable, overnight
4Z 723 leaves 23 h 55 after 4Z 752 arrives on the timetable: more than half a day, so not a connection we count.