Rio de Janeiro to Oga time converter

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

Rio de Janeiro BRT

Tuesday, October 20, 2026

Oga JST

Tuesday, October 20, 2026

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

Rio de Janeiro to Oga conversion table

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

Rio de JaneiroOga
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 Oga): 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 Oga are 18,107 km (11,251 miles) apart in a straight line.

More conversions

Oga 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 OgaLondon to OgaLos Angeles to OgaChicago to OgaToronto to OgaSão Paulo to OgaParis to OgaBerlin to OgaMoscow to OgaDubai to OgaNew Delhi to OgaBangkok to Oga

Questions and answers

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

Oga is 12 hours ahead of Rio de Janeiro.

What time is it in Oga 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 Oga.

When is the best time to call Oga 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 Oga): working hours on one side, early or late on the other.

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

No. The difference stays 12 hours all year.