Rio de Janeiro to Koto time converter

Koto is 12 hours ahead of Rio de Janeiro. When it is 9:00 AM in Rio de Janeiro, it is 9:00 PM in Koto.

Rio de Janeiro BRT

Tuesday, October 20, 2026

Koto JST

Wednesday, October 21, 2026

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

Rio de Janeiro to Koto conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in Rio de Janeiro (9:00 PM – 10:00 PM in Koto): 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

Rio de Janeiro and Koto are 18,766 km (11,661 miles) apart in a straight line.

More conversions

Koto 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 KotoLondon to KotoLos Angeles to KotoChicago to KotoToronto to KotoSão Paulo to KotoParis to KotoBerlin to KotoMoscow to KotoDubai to KotoNew Delhi to KotoBangkok to Koto

Questions and answers

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

Koto is 12 hours ahead of Rio de Janeiro.

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

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

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

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

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

No. The difference stays 12 hours all year.