Groton to Rio de Janeiro Time Difference

1 hour ahead
Groton, United States
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America/New_YorkGMT-04:00
Rio de Janeiro, Brazil
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America/Sao_PauloGMT-03:00

1h

Time Difference

7h

Business Hours Overlap

Yes

Good Call Window

Best Times to Call

These times work well for both cities during business hours (9 AM - 5 PM):

9:00 AM in Groton

10:00 AM in Rio de Janeiro

10:00 AM in Groton

11:00 AM in Rio de Janeiro

11:00 AM in Groton

12:00 PM in Rio de Janeiro

12:00 PM in Groton

1:00 PM in Rio de Janeiro

Hour-by-Hour Time Conversion
GrotonRio de JaneiroStatus
12:00 AM1:00 AM
1:00 AM2:00 AM
2:00 AM3:00 AM
3:00 AM4:00 AM
4:00 AM5:00 AM
5:00 AM6:00 AM
6:00 AM7:00 AM
7:00 AM8:00 AM
8:00 AM9:00 AMWork in Rio de Janeiro
9:00 AM10:00 AMWork Hours
10:00 AM11:00 AMWork Hours
11:00 AM12:00 PMWork Hours
12:00 PM1:00 PMWork Hours
1:00 PM2:00 PMWork Hours
2:00 PM3:00 PMWork Hours
3:00 PM4:00 PMWork Hours
4:00 PM5:00 PMWork in Groton
5:00 PM6:00 PM
6:00 PM7:00 PM
7:00 PM8:00 PM
8:00 PM9:00 PM
9:00 PM10:00 PM
10:00 PM11:00 PM
11:00 PM12:00 AM

More Time Comparisons

Groton to Shanghai

12 hours ahead

Groton to Dhaka

10 hours ahead

Groton to Beijing

12 hours ahead

Groton to Delhi

9.5 hours ahead

Groton to Istanbul

7 hours ahead

Groton to Lagos

5 hours ahead

Groton to Tokyo

13 hours ahead

Groton to Moscow

7 hours ahead

About the Time Difference Between Groton and Rio de Janeiro

The time difference between Groton, United States and Rio de Janeiro, Brazil is 1 hour ahead.Groton operates on the America/New_York timezone (GMT-04:00), while Rio de Janeiro uses America/Sao_Paulo (GMT-03:00).

Scheduling Tips

  • Business hours overlap: There are 7 hours when both cities are within typical work hours (9 AM - 5 PM).
  • Best call times: Schedule calls during the green-highlighted hours in the conversion table above for optimal timing.
  • Daylight Saving Time: Remember that the time difference may change during DST transitions. Always verify current times before important meetings.

Frequently Asked Questions

When it's noon in Groton, what time is it in Rio de Janeiro?

When it's 12:00 PM (noon) in Groton, it's 1:00 PM in Rio de Janeiro.