Time Difference

Buenos Aires vs Rio de Janeiro Time Difference

Compare the current local time in Buenos Aires, Argentina and Rio de Janeiro, Brazil.

Live local timeDST awareUTC offsets

From

Buenos Aires

Argentina

12:14 AM

Mon, Aug 17

UTC-3America/Argentina/Buenos_Aires

Difference

Same time

Swap

Rio de Janeiro

Brazil

12:14 AM

Mon, Aug 17

UTC-3America/Sao_Paulo

Current difference

Buenos Aires and Rio de Janeiro currently have the same local time.

This difference is calculated using the current UTC offsets for both locations and automatically reflects daylight-saving changes.

24-hour comparison

Compare Buenos Aires and Rio de Janeiro hour by hour

See how a full local day in Buenos Aires, Argentina maps to Rio de Janeiro, Brazil. TimeInOne automatically accounts for timezone offsets, date changes and daylight-saving transitions.

24-hour day

Best working-hours overlap

9:00 AM – 6:00 PM in Buenos Aires

corresponds to 9:00 AM – 6:00 PM in Rio de Janeiro.

9 hours overlap

Buenos Aires

America/Argentina/Buenos_Aires

Rio de Janeiro

America/Sao_Paulo

Availability

12:00 AM

Mon, Aug 17

12:00 AM

Mon, Aug 17

Night

1:00 AM

Mon, Aug 17

1:00 AM

Mon, Aug 17

Night

2:00 AM

Mon, Aug 17

2:00 AM

Mon, Aug 17

Night

3:00 AM

Mon, Aug 17

3:00 AM

Mon, Aug 17

Night

4:00 AM

Mon, Aug 17

4:00 AM

Mon, Aug 17

Night

5:00 AM

Mon, Aug 17

5:00 AM

Mon, Aug 17

Night

6:00 AM

Mon, Aug 17

6:00 AM

Mon, Aug 17

Night

7:00 AM

Mon, Aug 17

7:00 AM

Mon, Aug 17

Possible

8:00 AM

Mon, Aug 17

8:00 AM

Mon, Aug 17

Possible

9:00 AM

Mon, Aug 17

9:00 AM

Mon, Aug 17

Good overlap

10:00 AM

Mon, Aug 17

10:00 AM

Mon, Aug 17

Good overlap

11:00 AM

Mon, Aug 17

11:00 AM

Mon, Aug 17

Good overlap

12:00 PM

Mon, Aug 17

12:00 PM

Mon, Aug 17

Good overlap

1:00 PM

Mon, Aug 17

1:00 PM

Mon, Aug 17

Good overlap

2:00 PM

Mon, Aug 17

2:00 PM

Mon, Aug 17

Good overlap

3:00 PM

Mon, Aug 17

3:00 PM

Mon, Aug 17

Good overlap

4:00 PM

Mon, Aug 17

4:00 PM

Mon, Aug 17

Good overlap

5:00 PM

Mon, Aug 17

5:00 PM

Mon, Aug 17

Good overlap

6:00 PM

Mon, Aug 17

6:00 PM

Mon, Aug 17

Possible

7:00 PM

Mon, Aug 17

7:00 PM

Mon, Aug 17

Possible

8:00 PM

Mon, Aug 17

8:00 PM

Mon, Aug 17

Possible

9:00 PM

Mon, Aug 17

9:00 PM

Mon, Aug 17

Night

10:00 PM

Mon, Aug 17

10:00 PM

Mon, Aug 17

Night

11:00 PM

Mon, Aug 17

11:00 PM

Mon, Aug 17

Night

Working-hour labels use a general 9:00 AM–6:00 PM schedule. Individual schedules may differ.

On daylight-saving transition dates, a local day can contain 23 or 25 real hours instead of 24.

Call planning

Best time to call Rio de Janeiro from Buenos Aires

Compare typical business hours in Buenos Aires, Argentina and Rio de Janeiro, Brazil to find a practical time for calls, meetings or international coordination.

Buenos Aires

9:00 AM – 6:00 PM

Argentina

Best overlap

Rio de Janeiro

9:00 AM – 6:00 PM

Brazil

The best time to call Rio de Janeiro from Buenos Aires is between 9:00 AM and 6:00 PM in Buenos Aires. This corresponds to 9:00 AM – 6:00 PM in Rio de Janeiro.

Other reasonable windows

Buenos Aires

7:00 AM – 9:00 AM

Rio de Janeiro

7:00 AM – 9:00 AM

Buenos Aires

6:00 PM – 9:00 PM

Rio de Janeiro

6:00 PM – 9:00 PM

Recommendations use typical 9:00 AM–6:00 PM business hours and a broader 7:00 AM–9:00 PM acceptable calling window. Individual schedules may differ.

Time difference explained

Buenos Aires and Rio de Janeiro time difference explained

Current local-time relationship

Buenos Aires and Rio de Janeiro currently share the same local time.

Buenos Aires uses America/Argentina/Buenos_Aires and currently has an offset of UTC-3. Rio de Janeiro uses America/Sao_Paulo and currently has an offset of UTC-3.

Working-hours overlap

For a typical 9:00 AM–6:00 PM workday, the cities overlap from 9:00 AM to 6:00 PM in Buenos Aires, corresponding to 9:00 AM–6:00 PM in Rio de Janeiro.

Because UTC offsets can change during the year, always check the selected date when planning an important international call or meeting.

Convert a specific time

Need more than the current difference?

Convert a specific date and local time between Buenos Aires and Rio de Janeiro.

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Local clocks

Explore each city

Current time in Buenos Aires Current time in Rio de Janeiro

FAQ

Buenos Aires to Rio de Janeiro time difference FAQ

Common questions about the current time difference, UTC offsets, daylight-saving changes and practical calling hours between Buenos Aires and Rio de Janeiro.

What is the time difference between Buenos Aires and Rio de Janeiro?

Buenos Aires, Argentina and Rio de Janeiro, Brazil currently have the same local time.

Is Rio de Janeiro ahead of or behind Buenos Aires?

Buenos Aires and Rio de Janeiro currently have the same local time.

What time is it in Rio de Janeiro when it is 9:00 AM in Buenos Aires?

Using the current UTC offsets, 9:00 AM in Buenos Aires corresponds to 9:00 AM in Rio de Janeiro. The exact difference can change when daylight-saving rules change.

What is the best time to call Rio de Janeiro from Buenos Aires?

Typical 9:00 AM–6:00 PM business hours overlap between 9:00 AM and 6:00 PM in Buenos Aires. This corresponds to 9:00 AM–6:00 PM in Rio de Janeiro.

Can the time difference between Buenos Aires and Rio de Janeiro change?

Yes. The time difference can change if Buenos Aires or Rio de Janeiro changes its UTC offset because of daylight-saving or other local time-zone rules. TimeInOne uses the IANA zones America/Argentina/Buenos_Aires and America/Sao_Paulo for date-aware calculations.