Rio de Janeiro to Dumai time converter

Dumai is 10 hours ahead of Rio de Janeiro. When it is 9:00 AM in Rio de Janeiro, it is 7:00 PM in Dumai.

Rio de Janeiro BRT

Wednesday, October 21, 2026

Dumai WIB

Wednesday, October 21, 2026

Rio de Janeiro
Brazil
Wed, Oct 21
BRTUTC-3
Dumai
Indonesia
Wed, Oct 21
WIBUTC+7+10h
Finding your time zone…
Shared working hours (9:00–18:00)

Rio de Janeiro to Dumai conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 7:00 AM – 8:00 AM in Rio de Janeiro (5:00 PM – 6:00 PM in Dumai): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference stays 10 hours all year.

Distance

Rio de Janeiro and Dumai are 15,528 km (9,649 miles) apart in a straight line.

More conversions

Dumai 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 DumaiLondon to DumaiLos Angeles to DumaiChicago to DumaiToronto to DumaiSão Paulo to DumaiParis to DumaiBerlin to DumaiMoscow to DumaiDubai to DumaiNew Delhi to DumaiBangkok to Dumai

Questions and answers

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

Dumai is 10 hours ahead of Rio de Janeiro.

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

When it is 9:00 AM in Rio de Janeiro, it is 7:00 PM in Dumai.

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

Working hours don't overlap fully. The closest fit is 7:00 AM – 8:00 AM in Rio de Janeiro (5:00 PM – 6:00 PM in Dumai): working hours on one side, early or late on the other.

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

No. The difference stays 10 hours all year.