Rio de Janeiro to Cwmbran time converter

Cwmbran is 4 hours ahead of Rio de Janeiro. When it is 9:00 AM in Rio de Janeiro, it is 1:00 PM in Cwmbran.

Rio de Janeiro BRT

Wednesday, October 21, 2026

Cwmbran BST

Thursday, October 22, 2026

Rio de Janeiro
Brazil
Wed, Oct 21
BRTUTC-3
Cwmbran
United Kingdom
Thu, Oct 22
BSTUTC+1+4h
Finding your time zone…
Shared working hours (9:00–18:00)

Rio de Janeiro to Cwmbran conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 2:00 PM in Rio de Janeiro (1:00 PM – 6:00 PM in Cwmbran).

Daylight saving time and the difference

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

  • Oct 21, 2026 – Oct 24, 2026: +4h
  • Oct 24, 2026 – Mar 27, 2027: +3h
  • Mar 27, 2027 – Oct 21, 2027: +4h

Distance

Rio de Janeiro and Cwmbran are 9,167 km (5,696 miles) apart in a straight line.

More conversions

Cwmbran 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 CwmbranLondon to CwmbranLos Angeles to CwmbranChicago to CwmbranToronto to CwmbranSão Paulo to CwmbranParis to CwmbranBerlin to CwmbranMoscow to CwmbranDubai to CwmbranNew Delhi to CwmbranBangkok to Cwmbran

Questions and answers

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

Cwmbran is 4 hours ahead of Rio de Janeiro.

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

When it is 9:00 AM in Rio de Janeiro, it is 1:00 PM in Cwmbran.

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

Both sides are at work from 9:00 AM – 2:00 PM in Rio de Janeiro (1:00 PM – 6:00 PM in Cwmbran).

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

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