BRT to IRST
Convert Brasília Time — São Paulo to Iran Time — Tehran — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in São Paulo, it's 3:30 PM in Tehran. Tehran is 6½ hours ahead of São Paulo. Use the converter above to turn any BRT time into IRST, or scan the hour-by-hour table below for the full day.
BRT to IRST at a glance
Planning a meeting between São Paulo and Tehran
Planning a call between São Paulo and Tehran? The best overlap during a standard 9-to-5 workday runs 9:00 AM–10:30 AM BRT (3:30 PM–5:00 PM IRST). Aim for that window to reach both sides during business hours.
Hour-by-hour: São Paulo to Tehran
A full day mapped from BRT to IRST.
Frequently asked
Is Tehran ahead of or behind São Paulo?
Tehran is 6½ hours ahead of São Paulo.
What is 12:00 PM BRT in IRST?
12:00 PM in São Paulo is 6:30 PM in Tehran.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so BRT and IRST automatically reflect the correct daylight-saving offset for the current date.