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Global ClockTime zone converter & meeting planner
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Working hours
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09
End
18
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AUTO follows the operating system. Working hours drive the green banding on every grid. All four persist on this device only.

Time in Mexico City vs Rio de Janeiro

Mexico City keeps CST (UTC−6) and Rio de Janeiro keeps UTC−3 (UTC−3) today. Rio de Janeiro is 3 hours ahead of Mexico City; the rows below read both clocks live.

The working day, side by side

Hours shaded in both rows are inside working hours in both cities: 12:00–18:00 in Rio de Janeiro (09:00–15:00 your time).

Mexico City and Rio de Janeiro hour by hour, with the working-hour overlap shaded
City00:00 in Mexico City01:00 in Mexico City02:00 in Mexico City03:00 in Mexico City04:00 in Mexico City05:00 in Mexico City06:00 in Mexico City07:00 in Mexico City08:00 in Mexico City09:00 in Mexico City10:00 in Mexico City11:00 in Mexico City12:00 in Mexico City13:00 in Mexico City14:00 in Mexico City15:00 in Mexico City16:00 in Mexico City17:00 in Mexico City18:00 in Mexico City19:00 in Mexico City20:00 in Mexico City21:00 in Mexico City22:00 in Mexico City23:00 in Mexico City
Mexico City——000102030405060708091011121314151617181920212223
Rio de Janeiro——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Mexico City and Rio de Janeiro

Open in the PlannerAdd more cities, find a meeting time that works for everyone, then share it as a link.Open in Watch ViewKeep Mexico City, Rio de Janeiro and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

09:00 in Mexico City
Inside working hours on both sides
12:00 in Rio de Janeiro
10:00 in Mexico City
Inside working hours on both sides
13:00 in Rio de Janeiro
11:00 in Mexico City
Inside working hours on both sides
14:00 in Rio de Janeiro
12:00 in Mexico City
Inside working hours on both sides
15:00 in Rio de Janeiro

Where daylight saving pulls them apart

Neither Mexico City nor Rio de Janeiro changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Rio de Janeiro of Mexico City?

Rio de Janeiro is 3 hours ahead of Mexico City right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Mexico City and Rio de Janeiro?

Any hour in 09:00–15:00 Mexico City time is inside working hours in both cities.

Do Mexico City and Rio de Janeiro change clocks on the same date?

Neither city changes its clocks, so the gap between them never moves.