Los Altos to Buenos Aires time converter

Buenos Aires is 4 hours ahead of Los Altos. When it is 9:00 AM in Los Altos, it is 1:00 PM in Buenos Aires.

Los Altos PDT

Tuesday, October 20, 2026

Buenos Aires ART

Tuesday, October 20, 2026

Los Altos
California, United States
Tue, Oct 20
PDTUTC-7
Buenos Aires
Argentina
Tue, Oct 20
ARTUTC-3+4h
Finding your time zone…
Shared working hours (9:00–18:00)

Los Altos to Buenos Aires conversion table

Every hour of today in Los Altos and the matching time in Buenos Aires. Light rows are typical working hours (9:00–18:00).

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

Best time to call or meet

Both sides are at work from 9:00 AM – 2:00 PM in Los Altos (1:00 PM – 6:00 PM in Buenos Aires).

Daylight saving time and the difference

The difference changes during the year because Los Altos and Buenos Aires switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: +4h
  • Nov 1, 2026 – Mar 14, 2027: +5h
  • Mar 14, 2027 – Oct 20, 2027: +4h

Distance

Los Altos and Buenos Aires are 10,362 km (6,439 miles) apart in a straight line.

More conversions

Buenos Aires to Los AltosLos Altos to New YorkLos Altos to LondonLos Altos to Los AngelesLos Altos to ChicagoLos Altos to TorontoLos Altos to São PauloLos Altos to ParisLos Altos to BerlinLos Altos to MoscowLos Altos to DubaiLos Altos to New DelhiLos Altos to Bangkok
New York to Buenos AiresLondon to Buenos AiresLos Angeles to Buenos AiresChicago to Buenos AiresToronto to Buenos AiresSão Paulo to Buenos AiresParis to Buenos AiresBerlin to Buenos AiresMoscow to Buenos AiresDubai to Buenos AiresNew Delhi to Buenos AiresBangkok to Buenos Aires

Questions and answers

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

Buenos Aires is 4 hours ahead of Los Altos.

What time is it in Buenos Aires when it is 9 AM in Los Altos?

When it is 9:00 AM in Los Altos, it is 1:00 PM in Buenos Aires.

When is the best time to call Buenos Aires from Los Altos?

Both sides are at work from 9:00 AM – 2:00 PM in Los Altos (1:00 PM – 6:00 PM in Buenos Aires).

Does the time difference between Los Altos and Buenos Aires change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.