Rio de Janeiro, Brazil Buenos Aires, Argentina
Compare time between Rio de Janeiro and Buenos Aires
Frequently Asked Questions
Rio de Janeiro is in the -03 timezone (UTC-3) and Buenos Aires is in the -03 timezone (UTC-3). The time difference between them is 0 hours (same zone).
Use the timeline above to find overlapping business hours between Rio de Janeiro and Buenos Aires. 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 Buenos Aires 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 Buenos Aires clock will update instantly, showing the exact corresponding time. You can also pick a date to account for DST changes.