Clockjumper

Time difference

Buenos Aires to Johannesburg Time Difference

Johannesburg is 5 hours ahead of Buenos Aires — when it's 12:00 PM in Buenos Aires, it's 5:00 PM in Johannesburg. (Buenos Aires (America/Argentina/Buenos_Aires, ART); Johannesburg (Africa/Johannesburg, SAST).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.

Quick answer

Johannesburg is 5 hours ahead of Buenos Aires. The best window for a call is 9 AM–12 PM in Buenos Aires, which is 2 PM–5 PM in Johannesburg — a 3-hour overlap inside 9 AM–5 PM on both sides. Buenos Aires and Johannesburg change their clocks together (or don't change at all), so the time difference between them stays the same all year.

  • When it's 9:00 AM in Buenos Aires, it's 2:00 PM in Johannesburg.
  • When it's 9:00 AM in Johannesburg, it's 4:00 AM in Buenos Aires.

Johannesburg is currently 5 hours ahead of Buenos Aires.

Buenos Aires • ART
5:42 PM
Sunday, Aug 23
Johannesburg • SAST
10:42 PM
Sunday, Aug 23

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Best times to meet

The 9 AM – 5 PM business windows in Buenos Aires and Johannesburg overlap for 3 hours. 9 AM–12 PM in Buenos Aires is 2 PM–5 PM in Johannesburg. Aim somewhere in the middle of that window so neither side starts cold or finishes drained.

Quick conversion table

Buenos AiresJohannesburg
12 AM5:00 AM
1 AM6:00 AM
2 AM7:00 AM
3 AM8:00 AM
4 AM9:00 AM
5 AM10:00 AM
6 AM11:00 AM
7 AM12:00 PM
8 AM1:00 PM
9 AM2:00 PM
10 AM3:00 PM
11 AM4:00 PM
12 PM5:00 PM
1 PM6:00 PM
2 PM7:00 PM
3 PM8:00 PM
4 PM9:00 PM
5 PM10:00 PM
6 PM11:00 PM
7 PM12:00 AM (next day)
8 PM1:00 AM (next day)
9 PM2:00 AM (next day)
10 PM3:00 AM (next day)
11 PM4:00 AM (next day)

Daylight saving

The time difference between these two cities stays the same over the next twelve months — neither zone is changing for daylight saving in that window.

  • Buenos Aires does not observe daylight saving time.
  • Johannesburg does not observe daylight saving time.

Frequently asked questions

Is Johannesburg ahead of or behind Buenos Aires?
Johannesburg is 5 hours ahead of Buenos Aires.
How many hours ahead of Buenos Aires is Johannesburg?
Johannesburg is 5 hours ahead of Buenos Aires.
What time is 9 AM in Buenos Aires in Johannesburg?
9:00 AM in Buenos Aires is 2:00 PM in Johannesburg.
What time is noon in Buenos Aires in Johannesburg?
12:00 PM in Buenos Aires is 5:00 PM in Johannesburg.
What time is 5 PM in Buenos Aires in Johannesburg?
5:00 PM in Buenos Aires is 10:00 PM in Johannesburg. Useful for end-of-day handoffs between the two offices.
What time is 3 PM in Buenos Aires in Johannesburg?
3:00 PM in Buenos Aires is 8:00 PM in Johannesburg.
Is Buenos Aires currently observing daylight saving time?
Buenos Aires does not observe daylight saving time — its UTC offset stays the same all year.
Is Johannesburg currently observing daylight saving time?
Johannesburg does not observe daylight saving time — its UTC offset stays the same all year.
Do Buenos Aires and Johannesburg observe daylight saving?
The time difference between these two cities stays the same over the next twelve months — neither zone is changing for daylight saving in that window.
When is the best time to call Johannesburg from Buenos Aires?
Aim for 9 AM–12 PM in Buenos Aires, which is 2 PM–5 PM in Johannesburg.
When is the best time to call Buenos Aires from Johannesburg?
Aim for 2 PM–5 PM in Johannesburg, which is 9 AM–12 PM in Buenos Aires.
Buenos Aires (ART) to Johannesburg (SAST) — how do I convert quickly?
Add 5 hours to Buenos Aires local time to get Johannesburg local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.

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