KST to BRT Converter
BRT is 12 hours behind KST. 9:00 AM KST = 9:00 PM BRT (previous day).
BRT is 12 hours behind KST. To convert KST to BRT, subtract 12 hours from the KST time: 9:00 AM KST = 9:00 PM BRT (previous day).
KST (Korea Time) is used in South Korea. BRT (Brasília Time) is used in Brasília, São Paulo, Rio de Janeiro.
KST to BRT time conversion table
KST to BRT on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| KST | BRT | Day |
|---|---|---|
| 12:00 AM KST | 12:00 PM BRT | previous day |
| 1:00 AM KST | 1:00 PM BRT | previous day |
| 2:00 AM KST | 2:00 PM BRT | previous day |
| 3:00 AM KST | 3:00 PM BRT | previous day |
| 4:00 AM KST | 4:00 PM BRT | previous day |
| 5:00 AM KST | 5:00 PM BRT | previous day |
| 6:00 AM KST | 6:00 PM BRT | previous day |
| 7:00 AM KST | 7:00 PM BRT | previous day |
| 8:00 AM KST | 8:00 PM BRT | previous day |
| 9:00 AM KST | 9:00 PM BRT | previous day |
| 10:00 AM KST | 10:00 PM BRT | previous day |
| 11:00 AM KST | 11:00 PM BRT | previous day |
| 12:00 PM KST | 12:00 AM BRT | night |
| 1:00 PM KST | 1:00 AM BRT | night |
| 2:00 PM KST | 2:00 AM BRT | night |
| 3:00 PM KST | 3:00 AM BRT | night |
| 4:00 PM KST | 4:00 AM BRT | night |
| 5:00 PM KST | 5:00 AM BRT | night |
| 6:00 PM KST | 6:00 AM BRT | — |
| 7:00 PM KST | 7:00 AM BRT | — |
| 8:00 PM KST | 8:00 AM BRT | — |
| 9:00 PM KST | 9:00 AM BRT | — |
| 10:00 PM KST | 10:00 AM BRT | — |
| 11:00 PM KST | 11:00 AM BRT | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert KST to BRT
Subtract 12 hours from the KST time to get BRT.
Example: 9:00 AM KST = 9:00 PM BRT (previous day).
Across midnight: 1:00 AM KST = 1:00 PM BRT (previous day). The date changes, so always check the day as well as the hour.
Time difference between KST and BRT
The time difference between KST and BRT is 12 hours all year – BRT is behind KST.
KST and BRT during daylight saving time
- KST does not observe daylight saving time; it stays on UTC+9 all year.
- BRT does not observe daylight saving time; it stays on UTC−3 all year.
Best time for a meeting between KST and BRT
KST and BRT have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM KST, which is 7:00 PM BRT.
KST to BRT FAQ
What is the time difference between KST and BRT?
BRT is 12 hours behind KST all year. 9:00 AM KST = 9:00 PM BRT (previous day).
What is 9 AM KST in BRT?
9:00 AM KST is 9:00 PM BRT (previous day).
What is 12 PM (noon) KST in BRT?
12:00 PM KST is 12:00 AM BRT.
Is BRT ahead of or behind KST?
BRT is 12 hours behind KST, so it is earlier in BRT than in KST.
Does KST change for daylight saving time?
No. KST stays on the same offset all year, so conversions never shift for daylight saving time.
Does BRT change for daylight saving time?
No. BRT stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between KST and BRT?
KST and BRT have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM KST, which is 7:00 PM BRT.
Related conversions
Convert BRT to KST
Convert KST to other time zones
Convert other time zones to BRT
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.