Walnut Creek to Buenos Aires time converter

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

Walnut Creek PDT

Tuesday, October 20, 2026

Buenos Aires ART

Tuesday, October 20, 2026

California, United States
Tue, Oct 20
PDTUTC-7
Argentina
Tue, Oct 20
ARTUTC-3+4h
Finding your time zone…

7:52 PM in Walnut Creek, Tuesday, October 20, 2026

Shared working hours (9:00–18:00)

Walnut Creek to Buenos Aires conversion table

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

Walnut CreekBuenos 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 Walnut Creek (1:00 PM – 6:00 PM in Buenos Aires).

Daylight saving time and the difference

The difference changes during the year because Walnut Creek 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

Walnut Creek and Buenos Aires are 10,397 km (6,460 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Walnut Creek and Buenos Aires?

Buenos Aires is 4 hours ahead of Walnut Creek.

What time is it in Buenos Aires when it is 9 AM in Walnut Creek?

When it is 9:00 AM in Walnut Creek, it is 1:00 PM in Buenos Aires.

When is the best time to call Buenos Aires from Walnut Creek?

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

Does the time difference between Walnut Creek 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.