Time Difference

Havana vs Buenos Aires Time Difference

Compare the current local time in Havana, Cuba and Buenos Aires, Argentina.

Live local timeDST awareUTC offsets

From

Havana

Cuba

10:00 PM

Sun, Aug 16

UTC-4America/Havana

Difference

1 hour

Swap

Buenos Aires

Argentina

11:00 PM

Sun, Aug 16

UTC-3America/Argentina/Buenos_Aires

Current difference

Buenos Aires is currently 60 minutes ahead of Havana.

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

24-hour comparison

Compare Havana and Buenos Aires hour by hour

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

24-hour day

Best working-hours overlap

9:00 AM – 5:00 PM in Havana

corresponds to 10:00 AM – 6:00 PM in Buenos Aires.

8 hours overlap

Havana

America/Havana

Buenos Aires

America/Argentina/Buenos_Aires

Availability

12:00 AM

Sun, Aug 16

1:00 AM

Sun, Aug 16

Night

1:00 AM

Sun, Aug 16

2:00 AM

Sun, Aug 16

Night

2:00 AM

Sun, Aug 16

3:00 AM

Sun, Aug 16

Night

3:00 AM

Sun, Aug 16

4:00 AM

Sun, Aug 16

Night

4:00 AM

Sun, Aug 16

5:00 AM

Sun, Aug 16

Night

5:00 AM

Sun, Aug 16

6:00 AM

Sun, Aug 16

Night

6:00 AM

Sun, Aug 16

7:00 AM

Sun, Aug 16

Night

7:00 AM

Sun, Aug 16

8:00 AM

Sun, Aug 16

Possible

8:00 AM

Sun, Aug 16

9:00 AM

Sun, Aug 16

Possible

9:00 AM

Sun, Aug 16

10:00 AM

Sun, Aug 16

Good overlap

10:00 AM

Sun, Aug 16

11:00 AM

Sun, Aug 16

Good overlap

11:00 AM

Sun, Aug 16

12:00 PM

Sun, Aug 16

Good overlap

12:00 PM

Sun, Aug 16

1:00 PM

Sun, Aug 16

Good overlap

1:00 PM

Sun, Aug 16

2:00 PM

Sun, Aug 16

Good overlap

2:00 PM

Sun, Aug 16

3:00 PM

Sun, Aug 16

Good overlap

3:00 PM

Sun, Aug 16

4:00 PM

Sun, Aug 16

Good overlap

4:00 PM

Sun, Aug 16

5:00 PM

Sun, Aug 16

Good overlap

5:00 PM

Sun, Aug 16

6:00 PM

Sun, Aug 16

Possible

6:00 PM

Sun, Aug 16

7:00 PM

Sun, Aug 16

Possible

7:00 PM

Sun, Aug 16

8:00 PM

Sun, Aug 16

Possible

8:00 PM

Sun, Aug 16

9:00 PM

Sun, Aug 16

Night

9:00 PM

Sun, Aug 16

10:00 PM

Sun, Aug 16

Night

10:00 PM

Sun, Aug 16

11:00 PM

Sun, Aug 16

Night

11:00 PM

Sun, Aug 16

12:00 AM

Next day

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 Buenos Aires from Havana

Compare typical business hours in Havana, Cuba and Buenos Aires, Argentina to find a practical time for calls, meetings or international coordination.

Havana

9:00 AM – 5:00 PM

Cuba

Best overlap

Buenos Aires

10:00 AM – 6:00 PM

Argentina

The best time to call Buenos Aires from Havana is between 9:00 AM and 5:00 PM in Havana. This corresponds to 10:00 AM – 6:00 PM in Buenos Aires.

Other reasonable windows

Havana

7:00 AM – 9:00 AM

Buenos Aires

8:00 AM – 10:00 AM

Havana

5:00 PM – 8:00 PM

Buenos Aires

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

Havana and Buenos Aires time difference explained

Current local-time relationship

Buenos Aires is currently 1 hour ahead of Havana.

Havana uses America/Havana and currently has an offset of UTC-4. Buenos Aires uses America/Argentina/Buenos_Aires 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 5:00 PM in Havana, corresponding to 10:00 AM–6:00 PM in Buenos Aires.

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 Havana and Buenos Aires.

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Local clocks

Explore each city

Current time in Havana Current time in Buenos Aires

FAQ

Havana to Buenos Aires time difference FAQ

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

What is the time difference between Havana and Buenos Aires?

The current time difference between Havana and Buenos Aires is 1 hour. Buenos Aires is currently 1 hour ahead of Havana.

Is Buenos Aires ahead of or behind Havana?

Buenos Aires is currently 1 hour ahead of Havana.

What time is it in Buenos Aires when it is 9:00 AM in Havana?

Using the current UTC offsets, 9:00 AM in Havana corresponds to 10:00 AM in Buenos Aires. The exact difference can change when daylight-saving rules change.

What is the best time to call Buenos Aires from Havana?

Typical 9:00 AM–6:00 PM business hours overlap between 9:00 AM and 5:00 PM in Havana. This corresponds to 10:00 AM–6:00 PM in Buenos Aires.

Can the time difference between Havana and Buenos Aires change?

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