What is the time difference between New York and Buenos Aires?

Buenos Aires is 1 hour ahead of New York. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.

When is the best time to call Buenos Aires from New York?

Between 09:00–17:00 in New York, which is 10:00–18:00 in Buenos Aires. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does New York observe daylight saving time?

Yes. New York runs on UTC-5 in winter and UTC-4 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.

Does Buenos Aires observe daylight saving time?

No. Buenos Aires stays on UTC-3 all year, so its clocks never move.

If it is midday in New York, what time is it in Buenos Aires?

It is 13:00 in Buenos Aires, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.

Which time zones do New York and Buenos Aires use?

New York uses America/New_York, currently UTC-4 (EDT), and Buenos Aires uses America/Argentina/Buenos_Aires, currently UTC-3. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert New York time to Buenos Aires time

Right now Buenos Aires runs 1 hour ahead of New York. That gap is not fixed: it moves when either city changes its clocks.

Convert a time

From

Date

Time

Converted time

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The converter needs JavaScript to run. Everything below — offsets, daylight saving dates and the hour-by-hour table — is part of the page and works without it.

Hour by hour

The whole day mapped across: read down the left for New York, across for Buenos Aires.

New York	Buenos Aires
00:00	01:00
01:00	02:00
02:00	03:00
03:00	04:00
04:00	05:00
05:00	06:00
06:00	07:00
07:00	08:00
08:00	09:00
09:00	10:00
10:00	11:00
11:00	12:00
12:00	13:00
13:00	14:00
14:00	15:00
15:00	16:00
16:00	17:00
17:00	18:00
18:00	19:00
19:00	20:00
20:00	21:00
21:00	22:00
22:00	23:00
23:00	00:00next day

Daylight saving time

New York changes its clocks; Buenos Aires does not. The difference between them therefore shifts by an hour twice a year.

New York

Observes daylight saving time

Standard: UTC-5
Daylight: UTC-4
Next change: 2026-11-01 −60m

Buenos Aires

Does not observe daylight saving time

Standard: UTC-3

When you can actually talk

You have 8 hours of shared working time: 09:00–17:00 in New York, which is 10:00–18:00 in Buenos Aires.

New York 09:00–17:00Buenos Aires 10:00–18:00

Reference

The zone identifiers and offsets behind everything above.

	New York	Buenos Aires
IANA zone	America/New_York	America/Argentina/Buenos_Aires
Abbreviation	EDT	UTC-3
Standard offset	UTC-5	UTC-3
Daylight offset	UTC-4	—
Clock changes this year	2	0
Country	United States	Argentina

Example, not the current time. Live times appear once the page loads.

Common questions

What is the time difference between New York and Buenos Aires?: Buenos Aires is 1 hour ahead of New York. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.
When is the best time to call Buenos Aires from New York?: Between 09:00–17:00 in New York, which is 10:00–18:00 in Buenos Aires. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does New York observe daylight saving time?: Yes. New York runs on UTC-5 in winter and UTC-4 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.
Does Buenos Aires observe daylight saving time?: No. Buenos Aires stays on UTC-3 all year, so its clocks never move.
If it is midday in New York, what time is it in Buenos Aires?: It is 13:00 in Buenos Aires, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.
Which time zones do New York and Buenos Aires use?: New York uses America/New_York, currently UTC-4 (EDT), and Buenos Aires uses America/Argentina/Buenos_Aires, currently UTC-3. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.