Rio de Janeiro, Brazil Tehran, Iran
Compare time between Rio de Janeiro and Tehran
Frequently Asked Questions
Rio de Janeiro is in the -03 timezone (UTC-3) and Tehran is in the +0330 timezone (UTC+3:30). The time difference between them is 6h 30m.
Use the timeline above to find overlapping business hours between Rio de Janeiro and Tehran. The "Best time to meet" card highlights the window where both cities are within working hours (9 AM – 6 PM local time).
Neither Rio de Janeiro nor Tehran observes Daylight Saving Time, so the time difference remains constant throughout the year.
Click the pencil icon next to the Rio de Janeiro clock and type any time. The Tehran clock will update instantly, showing the exact corresponding time. You can also pick a date to account for DST changes.