Olhão to Buenos Aires time converter

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

Olhão WEST

Monday, October 19, 2026

Buenos Aires ART

Monday, October 19, 2026

Olhão
Portugal
Mon, Oct 19
WESTUTC+1
Buenos Aires
Argentina
Mon, Oct 19
ARTUTC-3-4h
Finding your time zone…
Shared working hours (9:00–18:00)

Olhão to Buenos Aires conversion table

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

OlhãoBuenos Aires
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 Olhão (9:00 AM – 2:00 PM in Buenos Aires).

Daylight saving time and the difference

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

  • Oct 19, 2026 – Oct 25, 2026: -4h
  • Oct 25, 2026 – Mar 28, 2027: -3h
  • Mar 28, 2027 – Oct 19, 2027: -4h

Distance

Olhão and Buenos Aires are 9,526 km (5,919 miles) apart in a straight line.

More conversions

Buenos Aires to OlhãoOlhão to New YorkOlhão to LondonOlhão to Los AngelesOlhão to ChicagoOlhão to TorontoOlhão to São PauloOlhão to ParisOlhão to BerlinOlhão to MoscowOlhão to DubaiOlhão to New DelhiOlhão 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 Olhão and Buenos Aires?

Buenos Aires is 4 hours behind Olhão.

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

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

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

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

Does the time difference between Olhão 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.