Buenos Aires to Casper time converter

Casper is 3 hours behind Buenos Aires. When it is 9:00 AM in Buenos Aires, it is 6:00 AM in Casper.

Buenos Aires ART

Monday, October 19, 2026

Casper MDT

Sunday, October 18, 2026

Buenos Aires
Argentina
Mon, Oct 19
ARTUTC-3
Casper
Wyoming, United States
Sun, Oct 18
MDTUTC-6-3h
Finding your time zone…
Shared working hours (9:00–18:00)

Buenos Aires to Casper conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 19, 2026 – Nov 1, 2026: -3h
  • Nov 1, 2026 – Mar 14, 2027: -4h
  • Mar 14, 2027 – Oct 19, 2027: -3h

Distance

Buenos Aires and Casper are 9,895 km (6,148 miles) apart in a straight line.

More conversions

Casper to Buenos AiresBuenos Aires to New YorkBuenos Aires to LondonBuenos Aires to Los AngelesBuenos Aires to ChicagoBuenos Aires to TorontoBuenos Aires to São PauloBuenos Aires to ParisBuenos Aires to BerlinBuenos Aires to MoscowBuenos Aires to DubaiBuenos Aires to New DelhiBuenos Aires to Bangkok
New York to CasperLondon to CasperLos Angeles to CasperChicago to CasperToronto to CasperSão Paulo to CasperParis to CasperBerlin to CasperMoscow to CasperDubai to CasperNew Delhi to CasperBangkok to Casper

Questions and answers

What is the time difference between Buenos Aires and Casper?

Casper is 3 hours behind Buenos Aires.

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

When it is 9:00 AM in Buenos Aires, it is 6:00 AM in Casper.

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

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

Does the time difference between Buenos Aires and Casper change?

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