United States to Buenos Aires time converter

Buenos Aires is 1 hour ahead of United States. When it is 9:00 AM in United States, it is 10:00 AM in Buenos Aires.

United States EDT

Monday, October 19, 2026

Buenos Aires ART

Monday, October 19, 2026

Washington, D.C.
Mon, Oct 19
EDTUTC-4
Argentina
Mon, Oct 19
ARTUTC-3+1h
Finding your time zone…

7:33 PM in United States, Monday, October 19, 2026

Shared working hours (9:00–18:00)

United States to Buenos Aires conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 5:00 PM in United States (10:00 AM – 6:00 PM in Buenos Aires).

Daylight saving time and the difference

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

  • Oct 19, 2026 – Nov 1, 2026: +1h
  • Nov 1, 2026 – Mar 14, 2027: +2h
  • Mar 14, 2027 – Oct 19, 2027: +1h

More conversions

Questions and answers

What is the time difference between United States and Buenos Aires?

Buenos Aires is 1 hour ahead of United States.

What time is it in Buenos Aires when it is 9 AM in United States?

When it is 9:00 AM in United States, it is 10:00 AM in Buenos Aires.

When is the best time to call Buenos Aires from United States?

Both sides are at work from 9:00 AM – 5:00 PM in United States (10:00 AM – 6:00 PM in Buenos Aires).

Does the time difference between United States 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.