Time Difference Between Rio de Janeiro and Mexico City

The time difference between Rio de Janeiro and Mexico City is 3 hours. When it is 12:00 noon in Rio de Janeiro, it is 09:00 in Mexico City. Rio de Janeiro uses the America/Sao_Paulo time zone (UTC-3), while Mexico City uses America/Mexico_City (UTC-6).

Mexico City is 3 hours behind Rio de Janeiro — 3 hours
Rio de Janeiro, Brazil
19:24:36
Thursday, March 26, 2026
UTC-3 · -03
Mexico City, Mexico
16:24:36
Thursday, March 26, 2026
UTC-6 · CST

Time Zone Details: Rio de Janeiro vs Mexico City

Detail Rio de Janeiro Mexico City
Time Zone IDAmerica/Sao_PauloAmerica/Mexico_City
UTC OffsetUTC-3UTC-6
Abbreviation-03CST
DST ActiveNoNo
CountryBrazilMexico
RegionSouth AmericaNorth America

Best Time to Schedule a Call

There are 5 overlapping business hours between Rio de Janeiro and Mexico City (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:

12:00–17:00 in Rio de Janeiro  =  09:00–14:00 in Mexico City

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from Rio de Janeiro time to Mexico City time. Rows highlighted in green indicate overlapping business hours in both cities.

Rio de Janeiro Mexico City
00:00 21:00 (-1 day) Night
01:00 22:00 (-1 day) Night
02:00 23:00 (-1 day) Night
03:00 00:00 Night
04:00 01:00 Night
05:00 02:00 Night
06:00 03:00
07:00 04:00
08:00 05:00
09:00 06:00
10:00 07:00
11:00 08:00
12:00 09:00 Overlap
13:00 10:00 Overlap
14:00 11:00 Overlap
15:00 12:00 Overlap
16:00 13:00 Overlap
17:00 14:00
18:00 15:00
19:00 16:00
20:00 17:00
21:00 18:00
22:00 19:00 Night
23:00 20:00 Night

Daylight Saving Time (DST) Impact

Neither Rio de Janeiro nor Mexico City is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.

Practical Tips for Rio de Janeiro–Mexico City Scheduling

Compare Rio de Janeiro and Mexico City with Other Cities

From Rio de Janeiro

From Mexico City

Frequently Asked Questions

What is the time difference between Rio de Janeiro and Mexico City?

The time difference is 3 hours. Mexico City is 3 hours behind Rio de Janeiro.

Does the time difference change during the year?

It can. If either Rio de Janeiro or Mexico City observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).

When is the best time to call from Rio de Janeiro to Mexico City?

The best window is between 12:00 and 17:00 Rio de Janeiro time, which corresponds to 09:00–14:00 in Mexico City. Both sides fall within normal business hours.

How do I convert Rio de Janeiro time to Mexico City time?

Subtract 3 hours from Rio de Janeiro time to get Mexico City time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.