4Z 950 then 4Z 915 at Johannesburg
Cape Town → Johannesburg → East London
Timetable, Johannesburg time
12:004Z 950 from Cape Town at the gate
10:304Z 915 to East London leaves the gate
22 h 30 apart on the timetable, overnight
4Z 915 leaves 22 h 30 after 4Z 950 arrives on the timetable: more than half a day, so not a connection we count.