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