Johannesburg zone
GMT+2 (GMT+2)
London zone
GMT+1 (GMT+1)
Difference
1 hour behind Johannesburg
Business overlap
7h (9-5 windows)
Working hours overlap
Each cell is one hour in Johannesburg. Filled cells mark when 9 AM – 5 PM in Johannesburg and London both apply.
7 hours per day
- Johannesburg
- GMT+2
- London
- GMT+1
- Difference
- -1h
- Business overlap
- 7h
Hour-by-hour conversion
Each row shows the matching local time in London for an hour in Johannesburg.
| Johannesburg | London | Day | Window |
|---|---|---|---|
| 12:00 AM | 11:00 PM | previous day | — |
| 1:00 AM | 12:00 AM | same day | — |
| 2:00 AM | 1:00 AM | same day | — |
| 3:00 AM | 2:00 AM | same day | — |
| 4:00 AM | 3:00 AM | same day | — |
| 5:00 AM | 4:00 AM | same day | — |
| 6:00 AM | 5:00 AM | same day | — |
| 7:00 AM | 6:00 AM | same day | — |
| 8:00 AM | 7:00 AM | same day | — |
| 9:00 AM | 8:00 AM | same day | — |
| 10:00 AM | 9:00 AM | same day | Both 9-5 |
| 11:00 AM | 10:00 AM | same day | Both 9-5 |
| 12:00 PM | 11:00 AM | same day | Both 9-5 |
| 1:00 PM | 12:00 PM | same day | Both 9-5 |
| 2:00 PM | 1:00 PM | same day | Both 9-5 |
| 3:00 PM | 2:00 PM | same day | Both 9-5 |
| 4:00 PM | 3:00 PM | same day | Both 9-5 |
| 5:00 PM | 4:00 PM | same day | — |
| 6:00 PM | 5:00 PM | same day | — |
| 7:00 PM | 6:00 PM | same day | — |
| 8:00 PM | 7:00 PM | same day | — |
| 9:00 PM | 8:00 PM | same day | — |
| 10:00 PM | 9:00 PM | same day | — |
| 11:00 PM | 10:00 PM | same day | — |
Best meeting windows
If both teams keep standard 9 AM – 5 PM hours, the overlap window is roughly 10:00 AM – 5:00 PM in Johannesburg time. That gives you 7 hours per workday for live meetings.
Tighter overlap is achievable by having the side with later working hours start earlier, or by treating the first and last hours of each side as flexible. The bar above marks every hour where both cities sit inside a 9 AM – 5 PM window.
About converting Johannesburg time to London time
Johannesburg follows the Africa/Johannesburg time zone (currently GMT+2, GMT+2), while London follows Europe/London (currently GMT+1, GMT+1). London is 1 hour behind Johannesburg right now.
London observes daylight saving time, while Johannesburg does not. The offset between the two cities changes by one hour at the daylight saving transitions.
Daylight saving transitions in 2026
Johannesburg
Does not observe daylight saving time.
London
- Spring forward · Sunday, March 29, 2026
- Fall back · Sunday, October 25, 2026
Reverse this conversion
London to Johannesburg
Open the converter
Plan a meeting between Johannesburg and London
More conversions from Johannesburg
Frequently asked questions
- How many hours is Johannesburg from London?
- London is 1 hour behind Johannesburg right now.
- What time is 9:00 AM Johannesburg in London?
- 9:00 AM in Johannesburg is 8:00 AM in London.
- What time is 5:00 PM Johannesburg in London?
- 5:00 PM in Johannesburg is 4:00 PM in London.
- When do Johannesburg and London business hours overlap?
- Standard 9 AM - 5 PM working hours overlap for about 7 hours, roughly from 10:00 AM to 5:00 PM in Johannesburg time.
- Does daylight saving time change the difference between Johannesburg and London?
- London observes daylight saving time while Johannesburg does not, so the offset between them changes by one hour twice a year.
Local time page
Time in Johannesburg
Local time page
Time in London