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JST to BRT time converter
Brazil (São Paulo) is 12 hours behind Japan all year.
JST to BRT conversion table
Local time in Japan and the matching time in Brazil (São Paulo) on two reference dates, one in winter and one in summer for the northern hemisphere.
| Japan (JST) | Brazil (São Paulo) on 15 January | Brazil (São Paulo) on 15 July |
|---|---|---|
| 08:00 | 20:00 (-1 day) | 20:00 (-1 day) |
| 09:00 | 21:00 (-1 day) | 21:00 (-1 day) |
| 10:00 | 22:00 (-1 day) | 22:00 (-1 day) |
| 12:00 | 00:00 | 00:00 |
| 15:00 | 03:00 | 03:00 |
| 17:00 | 05:00 | 05:00 |
| 18:00 | 06:00 | 06:00 |
| 21:00 | 09:00 | 09:00 |
Best meeting times between Japan and Brazil (São Paulo)
- January: No overlap inside both working days. The closest flexible hours (07:00-21:00): 07:00-09:00 JST = 19:00-21:00 BRT (-1 day); 19:00-21:00 JST = 07:00-09:00 BRT.
- July: No overlap inside both working days. The closest flexible hours (07:00-21:00): 07:00-09:00 JST = 19:00-21:00 BRT (-1 day); 19:00-21:00 JST = 07:00-09:00 BRT.
Want to add more people? The meeting planner starts with these two zones and lets you add up to four more.
Daylight saving between JST and BRT
- Japan does not change its clocks in 2026.
- Brazil (São Paulo) does not change its clocks in 2026.
About the two zones
Japan. Japan Standard Time is UTC+9 all year with no daylight saving.
Brazil (São Paulo). Brasília Time, used in São Paulo, is UTC-3 all year. Brazil stopped daylight saving in 2019.
Frequently asked questions
What time is 9 AM JST in BRT?
On 15 January, 09:00 in Japan is 21:00 (-1 day) in Brazil (São Paulo). On 15 July it is 21:00 (-1 day).
What is the time difference between Japan and Brazil (São Paulo)?
Brazil (São Paulo) is 12 hours behind Japan all year.
Does the time difference between JST and BRT change during the year?
No. Neither zone changes its clocks in a way that alters the gap, so the difference stays at 12 hours.
When is the best time for a meeting between Japan and Brazil (São Paulo)?
No overlap inside both working days. The closest flexible hours (07:00-21:00): 07:00-09:00 JST = 19:00-21:00 BRT (-1 day); 19:00-21:00 JST = 07:00-09:00 BRT. In July: No overlap inside both working days. The closest flexible hours (07:00-21:00): 07:00-09:00 JST = 19:00-21:00 BRT (-1 day); 19:00-21:00 JST = 07:00-09:00 BRT.
More conversions
Need the time in a scheduler? Convert a local-time cron schedule to UTC, or see which jobs a clock change affects with the DST collision simulator.