Longmont to Buenos Aires time converter

Buenos Aires is 3 hours ahead of Longmont. When it is 9:00 AM in Longmont, it is 12:00 PM in Buenos Aires.

Longmont MDT

Tuesday, October 20, 2026

Buenos Aires ART

Tuesday, October 20, 2026

Longmont
Colorado, United States
Tue, Oct 20
MDTUTC-6
Buenos Aires
Argentina
Tue, Oct 20
ARTUTC-3+3h
Finding your time zone…
Shared working hours (9:00–18:00)

Longmont to Buenos Aires conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 3:00 PM in Longmont (12:00 PM – 6:00 PM in Buenos Aires).

Daylight saving time and the difference

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

  • Oct 20, 2026 – Nov 1, 2026: +3h
  • Nov 1, 2026 – Mar 14, 2027: +4h
  • Mar 14, 2027 – Oct 20, 2027: +3h

Distance

Longmont and Buenos Aires are 9,595 km (5,962 miles) apart in a straight line.

More conversions

Buenos Aires to LongmontLongmont to New YorkLongmont to LondonLongmont to Los AngelesLongmont to ChicagoLongmont to TorontoLongmont to São PauloLongmont to ParisLongmont to BerlinLongmont to MoscowLongmont to DubaiLongmont to New DelhiLongmont 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 Longmont and Buenos Aires?

Buenos Aires is 3 hours ahead of Longmont.

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

When it is 9:00 AM in Longmont, it is 12:00 PM in Buenos Aires.

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

Both sides are at work from 9:00 AM – 3:00 PM in Longmont (12:00 PM – 6:00 PM in Buenos Aires).

Does the time difference between Longmont 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.