Sejong to Rio de Janeiro time converter

Rio de Janeiro is 12 hours behind Sejong. When it is 9:00 AM in Sejong, it is 9:00 PM (Tue, Oct 20) in Rio de Janeiro.

Sejong KST

Wednesday, October 21, 2026

Rio de Janeiro BRT

Tuesday, October 20, 2026

South Korea
Wed, Oct 21
KSTUTC+9
Tue, Oct 20
BRTUTC-3-12h
Finding your time zone…

6:58 AM in Sejong, Wednesday, October 21, 2026

Shared working hours (9:00–18:00)

Sejong to Rio de Janeiro conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in Sejong (9:00 PM – 10:00 PM in Rio de Janeiro): 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

Sejong and Rio de Janeiro are 18,239 km (11,333 miles) apart in a straight line.

More conversions

Questions and answers

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

Rio de Janeiro is 12 hours behind Sejong.

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

When it is 9:00 AM in Sejong, it is 9:00 PM (Tue, Oct 20) in Rio de Janeiro.

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

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

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

No. The difference stays 12 hours all year.