Buenos Aires to Williamstown time converter

Williamstown is 1 hour behind Buenos Aires. When it is 9:00 AM in Buenos Aires, it is 8:00 AM in Williamstown.

Buenos Aires ART

Tuesday, October 20, 2026

Williamstown EDT

Tuesday, October 20, 2026

Argentina
Tue, Oct 20
ARTUTC-3
New Jersey, United States
Tue, Oct 20
EDTUTC-4-1h
Finding your time zone…

8:16 AM in Buenos Aires, Tuesday, October 20, 2026

Shared working hours (9:00–18:00)

Buenos Aires to Williamstown conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 20, 2026 – Nov 1, 2026: -1h
  • Nov 1, 2026 – Mar 14, 2027: -2h
  • Mar 14, 2027 – Oct 20, 2027: -1h

Distance

Buenos Aires and Williamstown are 8,436 km (5,242 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Buenos Aires and Williamstown?

Williamstown is 1 hour behind Buenos Aires.

What time is it in Williamstown when it is 9 AM in Buenos Aires?

When it is 9:00 AM in Buenos Aires, it is 8:00 AM in Williamstown.

When is the best time to call Williamstown from Buenos Aires?

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

Does the time difference between Buenos Aires and Williamstown change?

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