Offset
The time difference between Johannesburg and Buenos Aires is 5 hours.
Johannesburg (SAST) is ahead of Buenos Aires (ART).
SAST: UTC+2
ART: UTC-3
Neither Johannesburg nor Buenos Aires is currently observing daylight saving time.
When to schedule
Business-hours overlap: 2 PM–5 PM in Johannesburg (9 AM–12 PM in Buenos Aires).
Both teams are in working hours during this window on weekdays.
Suggested time: 3:00 PM Johannesburg (10:00 AM Buenos Aires).
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
South Africa
- New Year's DayThu, Jan 1
- Human Rights DaySat, Mar 21
- Good FridayFri, Apr 3
- Family DayMon, Apr 6
- Freedom DayMon, Apr 27
- Workers' DayFri, May 1
- Youth DayTue, Jun 16
- National Women's DayMon, Aug 10
- Heritage DayThu, Sep 24
- Day of ReconciliationWed, Dec 16
- Christmas DayFri, Dec 25
- Day of GoodwillSat, Dec 26
Argentina
- New Year's DayThu, Jan 1
- CarnivalMon, Feb 16
- CarnivalTue, Feb 17
- Day of Remembrance for Truth and JusticeTue, Mar 24
- Day of the Veterans and Fallen of the Malvinas WarThu, Apr 2
- Good FridayFri, Apr 3
- Labour DayFri, May 1
- May RevolutionMon, May 25
- Anniversary of the Passing of General Martín Miguel de GüemesMon, Jun 15
- General Manuel Belgrano Memorial DaySat, Jun 20
- Independence DayThu, Jul 9
- General José de San Martín Memorial DayMon, Aug 17
- Day of Respect for Cultural DiversityMon, Oct 12
- National Sovereignty DayMon, Nov 23
- Immaculate Conception DayTue, Dec 8
- Christmas DayFri, Dec 25
About these zones
Johannesburg uses South Africa Time (SAST). To call South Africa, dial +27.
Buenos Aires uses Argentina Time (ART). To call Argentina, dial +54.
Buenos Aires is approximately 5,050 miles southwest of Johannesburg.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Johannesburg | Buenos Aires | Day |
|---|---|---|
| 12:00 am | 7:00 pm | -1 day |
| 1:00 am | 8:00 pm | -1 day |
| 2:00 am | 9:00 pm | -1 day |
| 3:00 am | 10:00 pm | -1 day |
| 4:00 am | 11:00 pm | -1 day |
| 5:00 am | 12:00 am | Same day |
| 6:00 am | 1:00 am | Same day |
| 7:00 am | 2:00 am | Same day |
| 8:00 am | 3:00 am | Same day |
| 9:00 am | 4:00 am | Same day |
| 10:00 am | 5:00 am | Same day |
| 11:00 am | 6:00 am | Same day |
| 12:00 pm | 7:00 am | Same day |
| 1:00 pm | 8:00 am | Same day |
| 2:00 pm | 9:00 am | Same day |
| 3:00 pm | 10:00 am | Same day |
| 4:00 pm | 11:00 am | Same day |
| 5:00 pm | 12:00 pm | Same day |
| 6:00 pm | 1:00 pm | Same day |
| 7:00 pm | 2:00 pm | Same day |
| 8:00 pm | 3:00 pm | Same day |
| 9:00 pm | 4:00 pm | Same day |
| 10:00 pm | 5:00 pm | Same day |
| 11:00 pm | 6:00 pm | Same day |
Daylight saving time
Neither Johannesburg nor Buenos Aires observes daylight saving time. The offset between these zones remains constant year-round.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 6:50 AM
- Sunset
- 5:24 PM
- Day length
- 10h 34m
- Sunrise
- 7:55 AM
- Sunset
- 5:51 PM
- Day length
- 9h 56m
Daylight overlap: 4h 29m — 12:55 PM–5:24 PM in Johannesburg (7:55 AM–12:24 PM in Buenos Aires). Both locations are in daylight during this window.
Cities in these zones
Other cities in South Africa Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in South Africa Time
- HLA
- JNB
- CPT
- DUR
Airports in Argentina Time
- AEP
- EZE
Related conversions
Common conversions
- What is 9:00 am Johannesburg in Buenos Aires?
- 9:00 am Johannesburg is 4:00 am Buenos Aires.
- What is 12:00 pm Johannesburg in Buenos Aires?
- 12:00 pm Johannesburg is 7:00 am Buenos Aires.
- What is 12:30 pm Johannesburg in Buenos Aires?
- 12:30 pm Johannesburg is 7:30 am Buenos Aires.
- What is 2:00 pm Johannesburg in Buenos Aires?
- 2:00 pm Johannesburg is 9:00 am Buenos Aires.
- What is 5:00 pm Johannesburg in Buenos Aires?
- 5:00 pm Johannesburg is 12:00 pm Buenos Aires.
- What is 11:30 pm Johannesburg in Buenos Aires?
- 11:30 pm Johannesburg is 6:30 pm Buenos Aires.