Rio de Janeiro to Buan time converter

Buan is 12 hours ahead of Rio de Janeiro. When it is 9:00 AM in Rio de Janeiro, it is 9:00 PM in Buan.

Rio de Janeiro BRT

Tuesday, October 20, 2026

Buan KST

Wednesday, October 21, 2026

Rio de Janeiro
Brazil
Tue, Oct 20
BRTUTC-3
Buan
South Korea
Wed, Oct 21
KSTUTC+9+12h
Finding your time zone…
Shared working hours (9:00–18:00)

Rio de Janeiro to Buan conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

The difference stays 12 hours all year.

Distance

Rio de Janeiro and Buan are 18,289 km (11,364 miles) apart in a straight line.

More conversions

Buan 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 BuanLondon to BuanLos Angeles to BuanChicago to BuanToronto to BuanSão Paulo to BuanParis to BuanBerlin to BuanMoscow to BuanDubai to BuanNew Delhi to BuanBangkok to Buan

Questions and answers

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

Buan is 12 hours ahead of Rio de Janeiro.

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

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

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

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

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

No. The difference stays 12 hours all year.