Rio de Janeiro to Altai time converter

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

Rio de Janeiro BRT

Tuesday, October 20, 2026

Altai UTC+7

Wednesday, October 21, 2026

Rio de Janeiro
Brazil
Tue, Oct 20
BRTUTC-3
Altai
Mongolia
Wed, Oct 21
UTC+7+10h
Finding your time zone…
Shared working hours (9:00–18:00)

Rio de Janeiro to Altai conversion table

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

Rio de JaneiroAltai
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 Altai): 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 Altai are 15,553 km (9,664 miles) apart in a straight line.

More conversions

Altai 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 AltaiLondon to AltaiLos Angeles to AltaiChicago to AltaiToronto to AltaiSão Paulo to AltaiParis to AltaiBerlin to AltaiMoscow to AltaiDubai to AltaiNew Delhi to AltaiBangkok to Altai

Questions and answers

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

Altai is 10 hours ahead of Rio de Janeiro.

What time is it in Altai 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 Altai.

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

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

No. The difference stays 10 hours all year.