Upper Alton to Buenos Aires time converter

Buenos Aires is 2 hours ahead of Upper Alton. When it is 9:00 AM in Upper Alton, it is 11:00 AM in Buenos Aires.

Upper Alton CDT

Tuesday, October 20, 2026

Buenos Aires ART

Tuesday, October 20, 2026

Upper Alton
Illinois, United States
Tue, Oct 20
CDTUTC-5
Buenos Aires
Argentina
Tue, Oct 20
ARTUTC-3+2h
Finding your time zone…
Shared working hours (9:00–18:00)

Upper Alton to Buenos Aires conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 4:00 PM in Upper Alton (11:00 AM – 6:00 PM in Buenos Aires).

Daylight saving time and the difference

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

  • Oct 20, 2026 – Nov 1, 2026: +2h
  • Nov 1, 2026 – Mar 14, 2027: +3h
  • Mar 14, 2027 – Oct 20, 2027: +2h

Distance

Upper Alton and Buenos Aires are 8,805 km (5,471 miles) apart in a straight line.

More conversions

Buenos Aires to Upper AltonUpper Alton to New YorkUpper Alton to LondonUpper Alton to Los AngelesUpper Alton to ChicagoUpper Alton to TorontoUpper Alton to São PauloUpper Alton to ParisUpper Alton to BerlinUpper Alton to MoscowUpper Alton to DubaiUpper Alton to New DelhiUpper Alton 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 Upper Alton and Buenos Aires?

Buenos Aires is 2 hours ahead of Upper Alton.

What time is it in Buenos Aires when it is 9 AM in Upper Alton?

When it is 9:00 AM in Upper Alton, it is 11:00 AM in Buenos Aires.

When is the best time to call Buenos Aires from Upper Alton?

Both sides are at work from 9:00 AM – 4:00 PM in Upper Alton (11:00 AM – 6:00 PM in Buenos Aires).

Does the time difference between Upper Alton 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.