Rio de Janeiro to Constanţa time converter

Constanţa is 6 hours ahead of Rio de Janeiro. When it is 9:00 AM in Rio de Janeiro, it is 3:00 PM in Constanţa.

Rio de Janeiro BRT

Monday, October 19, 2026

Constanţa EEST

Tuesday, October 20, 2026

Rio de Janeiro
Brazil
Mon, Oct 19
BRTUTC-3
Constanţa
Romania
Tue, Oct 20
EESTUTC+3+6h
Finding your time zone…
Shared working hours (9:00–18:00)

Rio de Janeiro to Constanţa conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 12:00 PM in Rio de Janeiro (3:00 PM – 6:00 PM in Constanţa).

Daylight saving time and the difference

The difference changes during the year because Rio de Janeiro and Constanţa switch clocks on different dates:

  • Oct 19, 2026 – Oct 24, 2026: +6h
  • Oct 24, 2026 – Mar 27, 2027: +5h
  • Mar 27, 2027 – Oct 19, 2027: +6h

Distance

Rio de Janeiro and Constanţa are 10,423 km (6,477 miles) apart in a straight line.

More conversions

Constanţa 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 ConstanţaLondon to ConstanţaLos Angeles to ConstanţaChicago to ConstanţaToronto to ConstanţaSão Paulo to ConstanţaParis to ConstanţaBerlin to ConstanţaMoscow to ConstanţaDubai to ConstanţaNew Delhi to ConstanţaBangkok to Constanţa

Questions and answers

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

Constanţa is 6 hours ahead of Rio de Janeiro.

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

When it is 9:00 AM in Rio de Janeiro, it is 3:00 PM in Constanţa.

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

Both sides are at work from 9:00 AM – 12:00 PM in Rio de Janeiro (3:00 PM – 6:00 PM in Constanţa).

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

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.