Aioi to Rio de Janeiro time converter

Rio de Janeiro is 12 hours behind Aioi. When it is 9:00 AM in Aioi, it is 9:00 PM (Tue, Oct 20) in Rio de Janeiro.

Aioi JST

Wednesday, October 21, 2026

Rio de Janeiro BRT

Tuesday, October 20, 2026

Aioi
Japan
Wed, Oct 21
JSTUTC+9
Rio de Janeiro
Brazil
Tue, Oct 20
BRTUTC-3-12h
Finding your time zone…
Shared working hours (9:00–18:00)

Aioi to Rio de Janeiro conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in Aioi (9:00 PM – 10:00 PM in Rio de Janeiro): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference stays 12 hours all year.

Distance

Aioi and Rio de Janeiro are 18,673 km (11,603 miles) apart in a straight line.

More conversions

Rio de Janeiro to AioiAioi to New YorkAioi to LondonAioi to Los AngelesAioi to ChicagoAioi to TorontoAioi to São PauloAioi to ParisAioi to BerlinAioi to MoscowAioi to DubaiAioi to New DelhiAioi to Bangkok
New York to Rio de JaneiroLondon to Rio de JaneiroLos Angeles to Rio de JaneiroChicago to Rio de JaneiroToronto to Rio de JaneiroSão Paulo to Rio de JaneiroParis to Rio de JaneiroBerlin to Rio de JaneiroMoscow to Rio de JaneiroDubai to Rio de JaneiroNew Delhi to Rio de JaneiroBangkok to Rio de Janeiro

Questions and answers

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

Rio de Janeiro is 12 hours behind Aioi.

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

When it is 9:00 AM in Aioi, it is 9:00 PM (Tue, Oct 20) in Rio de Janeiro.

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

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in Aioi (9:00 PM – 10:00 PM in Rio de Janeiro): working hours on one side, early or late on the other.

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

No. The difference stays 12 hours all year.