Most of the year, Johannesburg is 1 hour ahead of London. During Jan 1–Mar 28, Oct 25–Dec 31, Johannesburg is 2 hours ahead of London.
| London | Johannesburg Most of the year | Johannesburg Jan 1–Mar 28, Oct 25–Dec 31 |
|---|---|---|
| 12 AM | 1 AM | 2 AM |
| 1 AM | 2 AM | 3 AM |
| 2 AM | 3 AM | 4 AM |
| 3 AM | 4 AM | 5 AM |
| 4 AM | 5 AM | 6 AM |
| 5 AM | 6 AM | 7 AM |
| 6 AM | 7 AM | 8 AM |
| 7 AM | 8 AM | 9 AM |
| 8 AM | 9 AM | 10 AM |
| 9 AM | 10 AM | 11 AM |
| 10 AM | 11 AM | 12 PM |
| 11 AM | 12 PM | 1 PM |
| 12 PM | 1 PM | 2 PM |
| 1 PM | 2 PM | 3 PM |
| 2 PM | 3 PM | 4 PM |
| 3 PM | 4 PM | 5 PM |
| 4 PM | 5 PM | 6 PM |
| 5 PM | 6 PM | 7 PM |
| 6 PM | 7 PM | 8 PM |
| 7 PM | 8 PM | 9 PM |
| 8 PM | 9 PM | 10 PM |
| 9 PM | 10 PM | 11 PM |
| 10 PM | 11 PM | 12 AMnext day |
| 11 PM | 12 AMnext day | 1 AMnext day |
London observes daylight saving time from Mar 29, 2026 to Oct 25, 2026, when clocks move forward one hour.
Johannesburg does not observe daylight saving time (DST), so its offset stays the same all year.
Most of the year, Johannesburg is 1 hour ahead of London. During Jan 1–Mar 28, Oct 25–Dec 31, Johannesburg is 2 hours ahead of London.
London observes daylight saving time from Mar 29, 2026 to Oct 25, 2026, when clocks move forward one hour. Johannesburg does not observe daylight saving time (DST), so its offset stays the same all year.
Most of the year: Both cities are in business hours at London 9 AM–5 PM (Johannesburg 10 AM–6 PM). Jan 1–Mar 28, Oct 25–Dec 31: Both cities are in business hours at London 9 AM–4 PM (Johannesburg 11 AM–6 PM).