Convert Brasilia Time to Iran Time
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BRT · UTC−3 → IRST · UTC+3:30
BRT is 6 hours 30 minutes behind IRST
São Paulo · UTC-3
Wednesday, 7 October 2026
Tehran · UTC+3:30
Wednesday, 7 October 2026
When are both sides at work?Each column is one hour of the day in the first city; the second row shows the same moment in the other city. Gold means office hours (09:00–18:00), dusk means awake but off work, night means asleep (23:00–07:00). Columns where both rows are gold are good meeting times.
Shared working hours: 09:00–11:30 in São Paulo is 15:30–18:00 in Tehran.
Working (09–18) Awake, off the clock Asleep (23–07)
Pick a time and share it
08:25 Wed 7 Oct São Paulo = 14:55 Wed 7 Oct Tehran
Hour-by-hour conversion
| São Paulo (BRT)Every hour of today in the first city, with the matching time in the second. “Next day” means the calendar date is already tomorrow there. The highlighted row is right now. | Tehran (IRST) | |
|---|---|---|
| 00:00 | 06:30 | |
| 01:00 | 07:30 | |
| 02:00 | 08:30 | |
| 03:00 | 09:30 | |
| 04:00 | 10:30 | |
| 05:00 | 11:30 | |
| 06:00 | 12:30 | |
| 07:00 | 13:30 | |
| 08:00 | 14:30 | Now |
| 09:00 | 15:30 | Both at work |
| 10:00 | 16:30 | Both at work |
| 11:00 | 17:30 | Both at work |
| 12:00 | 18:30 | |
| 13:00 | 19:30 | |
| 14:00 | 20:30 | |
| 15:00 | 21:30 | |
| 16:00 | 22:30 | |
| 17:00 | 23:30 | |
| 18:00 | 00:30next day | |
| 19:00 | 01:30next day | |
| 20:00 | 02:30next day | |
| 21:00 | 03:30next day | |
| 22:00 | 04:30next day | |
| 23:00 | 05:30next day |
About this conversion
BRT here means Brasilia Time, represented by São Paulo (America/Sao_Paulo), currently UTC−3. IRST means Iran Time, represented by Tehran (Asia/Tehran), currently UTC+3:30.
Working hours are shown as 09:00–18:00 local, and sleeping hours as 23:00–07:00. The hour table is anchored on the current day in São Paulo; day boundaries are marked where the date differs.
Quick answers
- 09:00 BRT is 15:30 IRST
- 12:00 BRT is 18:30 IRST
- 15:00 BRT is 21:30 IRST
- 18:00 BRT is 00:30 IRST
Related conversions
- Brasilia Time to India TimeBRT → IST
- Brasilia Time to Kyrgyzstan TimeBRT → KGT
- Brasilia Time to Myanmar TimeBRT → MMT
- Brasilia Time to Sakhalin TimeBRT → SAKT
- Bangladesh Time to Iran TimeBST → IRST
- Casey Time to Iran TimeCAST → IRST
- Chile Time to Iran TimeCLT → IRST
- Guyana Time to Iran TimeGYT → IRST
- Iran Time to India TimeIRST → IST
- Brasilia Time to Eastern TimeBRT → EST
- Time in São Paulonow, DST, offset
- Time in Tehrannow, DST, offset