🇿🇦 Johannesburg, South Africa
42
- South Africa Standard Time
- UTC+2
- Twilight
☀️ 05:39 · 🌙 18:12 · 12 h 33 min
Johannesburg to Buenos Aires: time difference
Buenos Aires is 5 h behind Johannesburg. Live clocks for both, the working hours they share, and how each one sits against your own time.
−5 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Johannesburg 04:58 4:58 AM Buenos Aires 23:58 11:58 PM You –:–
04:58 4:58 AM
South Africa Standard Time · UTC+2
☀️ 05:39 · 🌙 18:12
23:58 11:58 PM
Argentina Standard Time · UTC-3
☀️ 06:20 · 🌙 19:03
·
−5 h
Buenos Aires is 5 h behind Johannesburg.
When you, Johannesburg and Buenos Aires are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇿🇦 Johannesburg
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
🇦🇷 Buenos Aires
19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇿🇦 Johannesburg | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 04:58 | 23:58 |
| Local date | Saturday, October 10, 2026 | Friday, October 9, 2026 |
| Time zone | South Africa Standard Time | Argentina Standard Time |
| UTC offset | UTC+2 | UTC-3 |
| Offset from Johannesburg | — | −5 h |
| IANA zone | Africa/Johannesburg | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:39 | 06:20 |
| Sunset | 18:12 | 19:03 |
| Daylight | 12 h 33 min | 12 h 43 min |
| People on this clock | 4,434,827 | 2,891,082 |
Compare Johannesburg with another city
More comparisons with Johannesburg: the time zones next to it and the far side of the clock.
Big time differences
Johannesburg and Buenos Aires: common questions
How far behind Johannesburg is Buenos Aires?
Buenos Aires is 5 hours behind Johannesburg: UTC−3 against UTC+2.
What time is it in Buenos Aires at the start of the working day in Johannesburg?
The working day in Johannesburg starts at 9:00 AM; in Buenos Aires it is 4:00 AM at that moment.
What time is it in Buenos Aires when it is 6:00 PM in Johannesburg?
When it is 6:00 PM in Johannesburg, it is 1:00 PM in Buenos Aires.
Is there a time when both Johannesburg and Buenos Aires are at work?
Yes: from 2:00 PM to 6:00 PM in Johannesburg (9:00 AM to 1:00 PM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Johannesburg is it still yesterday in Buenos Aires?
Before 5:00 AM in Johannesburg, the date in Buenos Aires has not changed yet. From 7:00 PM in Buenos Aires, it is already the next day in Johannesburg.
Is the time difference between Johannesburg and Buenos Aires the same all year?
Yes. Neither Johannesburg nor Buenos Aires switches to summer time, so the gap is always 5 hours.
