Rio de Janeiro to Antarctica time converter

Antarctica is 11 hours ahead of Rio de Janeiro. When it is 9:00 AM in Rio de Janeiro, it is 8:00 PM in Antarctica.

Rio de Janeiro BRT

Wednesday, October 21, 2026

Antarctica UTC+8

Wednesday, October 21, 2026

Rio de Janeiro
Brazil
Wed, Oct 21
BRTUTC-3
Antarctica
Wed, Oct 21
UTC+8+11h
Finding your time zone…
Shared working hours (9:00–18:00)

Rio de Janeiro to Antarctica conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 11:00 AM in Rio de Janeiro (8:00 PM – 10:00 PM in Antarctica): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference stays 11 hours all year.

More conversions

Antarctica 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 AntarcticaLondon to AntarcticaLos Angeles to AntarcticaChicago to AntarcticaToronto to AntarcticaSão Paulo to AntarcticaParis to AntarcticaBerlin to AntarcticaMoscow to AntarcticaDubai to AntarcticaNew Delhi to AntarcticaBangkok to Antarctica

Questions and answers

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

Antarctica is 11 hours ahead of Rio de Janeiro.

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

When it is 9:00 AM in Rio de Janeiro, it is 8:00 PM in Antarctica.

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

Working hours don't overlap fully. The closest fit is 9:00 AM – 11:00 AM in Rio de Janeiro (8:00 PM – 10:00 PM in Antarctica): working hours on one side, early or late on the other.

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

No. The difference stays 11 hours all year.