Rio de Janeiro to Aldoar time converter

Aldoar is 4 hours ahead of Rio de Janeiro. When it is 9:00 AM in Rio de Janeiro, it is 1:00 PM in Aldoar.

Rio de Janeiro BRT

Wednesday, October 21, 2026

Aldoar WEST

Wednesday, October 21, 2026

Rio de Janeiro
Brazil
Wed, Oct 21
BRTUTC-3
Aldoar
Portugal
Wed, Oct 21
WESTUTC+1+4h
Finding your time zone…
Shared working hours (9:00–18:00)

Rio de Janeiro to Aldoar conversion table

Every hour of today in Rio de Janeiro and the matching time in Aldoar. Light rows are typical working hours (9:00–18:00).

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

Best time to call or meet

Both sides are at work from 9:00 AM – 2:00 PM in Rio de Janeiro (1:00 PM – 6:00 PM in Aldoar).

Daylight saving time and the difference

The difference changes during the year because Rio de Janeiro and Aldoar switch clocks on different dates:

  • Oct 21, 2026 – Oct 24, 2026: +4h
  • Oct 24, 2026 – Mar 27, 2027: +3h
  • Mar 27, 2027 – Oct 21, 2027: +4h

Distance

Rio de Janeiro and Aldoar are 7,965 km (4,949 miles) apart in a straight line.

More conversions

Aldoar to Rio de JaneiroRio de Janeiro to New YorkRio de Janeiro to LondonRio de Janeiro to Los AngelesRio de Janeiro to ChicagoRio de Janeiro to TorontoRio de Janeiro to São PauloRio de Janeiro to ParisRio de Janeiro to BerlinRio de Janeiro to MoscowRio de Janeiro to DubaiRio de Janeiro to New DelhiRio de Janeiro to Bangkok
New York to AldoarLondon to AldoarLos Angeles to AldoarChicago to AldoarToronto to AldoarSão Paulo to AldoarParis to AldoarBerlin to AldoarMoscow to AldoarDubai to AldoarNew Delhi to AldoarBangkok to Aldoar

Questions and answers

What is the time difference between Rio de Janeiro and Aldoar?

Aldoar is 4 hours ahead of Rio de Janeiro.

What time is it in Aldoar when it is 9 AM in Rio de Janeiro?

When it is 9:00 AM in Rio de Janeiro, it is 1:00 PM in Aldoar.

When is the best time to call Aldoar from Rio de Janeiro?

Both sides are at work from 9:00 AM – 2:00 PM in Rio de Janeiro (1:00 PM – 6:00 PM in Aldoar).

Does the time difference between Rio de Janeiro and Aldoar change?

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