Buenos Aires to Lamont time converter

Lamont is 4 hours behind Buenos Aires. When it is 9:00 AM in Buenos Aires, it is 5:00 AM in Lamont.

Buenos Aires ART

Monday, October 19, 2026

Lamont PDT

Monday, October 19, 2026

Argentina
Mon, Oct 19
ARTUTC-3
California, United States
Mon, Oct 19
PDTUTC-7-4h
Finding your time zone…

11:51 PM in Buenos Aires, Monday, October 19, 2026

Shared working hours (9:00–18:00)

Buenos Aires to Lamont conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 19, 2026 – Nov 1, 2026: -4h
  • Nov 1, 2026 – Mar 14, 2027: -5h
  • Mar 14, 2027 – Oct 19, 2027: -4h

Distance

Buenos Aires and Lamont are 9,991 km (6,208 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Buenos Aires and Lamont?

Lamont is 4 hours behind Buenos Aires.

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

When it is 9:00 AM in Buenos Aires, it is 5:00 AM in Lamont.

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

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

Does the time difference between Buenos Aires and Lamont change?

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