London to Johannesburg: time difference
Johannesburg is 1 h ahead of London. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇿🇦 Johannesburg, South Africa
45
- South Africa Standard Time
- UTC+2
- Twilight
☀️ 05:39 · 🌙 18:12 · 12 h 33 min
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
London 04:00 4:00 AM Johannesburg 05:00 5:00 AM You –:–
04:00 4:00 AM
British Summer Time · UTC+1
☀️ 07:16 · 🌙 18:20
05:00 5:00 AM
South Africa Standard Time · UTC+2
☀️ 05:39 · 🌙 18:12
·
+1 h
Johannesburg is 1 h ahead of London.
When you, London and Johannesburg are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇬🇧 London
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇿🇦 Johannesburg
1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇧 London | 🇿🇦 Johannesburg |
|---|---|---|
| Local time | 04:00 | 05:00 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | British Summer Time | South Africa Standard Time |
| UTC offset | UTC+1 | UTC+2 |
| Offset from London | — | +1 h |
| IANA zone | Europe/London | Africa/Johannesburg |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:16 | 05:39 |
| Sunset | 18:20 | 18:12 |
| Daylight | 11 h 4 min | 12 h 33 min |
| People on this clock | 8,908,083 | 4,434,827 |
Compare London with another city
More comparisons with London: the time zones next to it and the far side of the clock.
Big time differences
London and Johannesburg: common questions
How many hours ahead of London is Johannesburg?
The clocks in Johannesburg are 1 hour ahead of those in London (UTC+2 and UTC+1).
If it is 9:00 AM in London, what time is it in Johannesburg?
At 9:00 AM in London, clocks in Johannesburg show 10:00 AM.
What time is it in Johannesburg when it is 6:00 PM in London?
When it is 6:00 PM in London, it is 7:00 PM in Johannesburg.
When is a good time to call Johannesburg from London?
Between 9:00 AM and 5:00 PM in London – that is 10:00 AM to 6:00 PM in Johannesburg – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Johannesburg compared with London?
The new day starts in Johannesburg earlier: at 11:00 PM in London it is already midnight there. Until 1:00 AM in Johannesburg, London is still on the previous day.
Is the time difference between London and Johannesburg the same all year?
No. Only London switches to summer time, so the gap changes twice a year. From October 25, 2026, Johannesburg will be 2 hours ahead of London.
