What is the time difference between Buenos Aires and Los Angeles?

Los Angeles is 4 hours behind Buenos Aires. 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 Los Angeles from Buenos Aires?

Between 13:00–18:00 in Buenos Aires, which is 09:00–14:00 in Los Angeles. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does Buenos Aires observe daylight saving time?

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

Does Los Angeles observe daylight saving time?

Yes. Los Angeles runs on UTC-8 in winter and UTC-7 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.

If it is midday in Buenos Aires, what time is it in Los Angeles?

It is 08:00 in Los Angeles, 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 Buenos Aires and Los Angeles use?

Buenos Aires uses America/Argentina/Buenos_Aires, currently UTC-3, and Los Angeles uses America/Los_Angeles, currently UTC-7 (PDT). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Buenos Aires time to Los Angeles time

Los Angeles is 4 hours behind Buenos Aires right now, so midday in Buenos Aires lands in the morning in Los Angeles.

Convert a time

From

Date

Time

Converted time

—

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

Every hour of a day in Buenos Aires, and what the clock reads in Los Angeles at that same moment.

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

Daylight saving time

Buenos Aires keeps one offset all year while Los Angeles moves twice. That is the whole reason this difference is seasonal.

Buenos Aires

Does not observe daylight saving time

Standard: UTC-3

Los Angeles

Observes daylight saving time

Standard: UTC-8
Daylight: UTC-7
Next change: 2026-11-01 −60m

When you can actually talk

The window is 5 hours wide — 13:00–18:00 in Buenos Aires, 09:00–14:00 in Los Angeles.

Buenos Aires 13:00–18:00Los Angeles 09:00–14:00

Reference

The zone identifiers and offsets behind everything above.

	Buenos Aires	Los Angeles
IANA zone	America/Argentina/Buenos_Aires	America/Los_Angeles
Abbreviation	UTC-3	PDT
Standard offset	UTC-3	UTC-8
Daylight offset	—	UTC-7
Clock changes this year	0	2
Country	Argentina	United States

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

Common questions

What is the time difference between Buenos Aires and Los Angeles?: Los Angeles is 4 hours behind Buenos Aires. 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 Los Angeles from Buenos Aires?: Between 13:00–18:00 in Buenos Aires, which is 09:00–14:00 in Los Angeles. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Buenos Aires observe daylight saving time?: No. Buenos Aires stays on UTC-3 all year, so its clocks never move.
Does Los Angeles observe daylight saving time?: Yes. Los Angeles runs on UTC-8 in winter and UTC-7 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.
If it is midday in Buenos Aires, what time is it in Los Angeles?: It is 08:00 in Los Angeles, 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 Buenos Aires and Los Angeles use?: Buenos Aires uses America/Argentina/Buenos_Aires, currently UTC-3, and Los Angeles uses America/Los_Angeles, currently UTC-7 (PDT). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.