The center of French Guiana is 4 hours ahead of the center of the United States.

PLEASE NOTE: United States and French Guiana may span multiple time zones. We are using the America/Denver and America/Cayenne time zones. For more accuracy, choose specific cities for each location. For example, compare Chicago, IL to Cayenne, French Guiana with Detroit, MI to Cormontibo, French Guiana.


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Current time

United States   1:57 AM on Monday, Nov 29, 2021

French Guiana   5:57 AM on Monday, Nov 29, 2021


Map from United States to French Guiana

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Meeting planner for United States and French Guiana

To schedule a conference call or plan a meeting at the best time for both parties, you should try between 9:00 AM and 1:00 PM your time in United States. That will end up being between 1:00 PM and 5:00 PM in French Guiana. The chart below shows overlapping times.

Schedule a phone call from United States to French Guiana

If you live in United States and you want to call a friend in French Guiana, you can try calling them between 3:00 AM and 7:00 PM your time. This will be between 7AM - 11PM their time, since French Guiana is 4 hours ahead of United States.

If you're available any time, but you want to reach someone in French Guiana at work, you may want to try between 5:00 AM and 1:00 PM your time. This is the best time to reach them from 9AM - 5PM during normal working hours.


UTC-7 hours     UTC-3 hours
United States     French Guiana
9:00 AM     1:00 PM
9:30 AM     1:30 PM
10:00 AM     2:00 PM
10:30 AM     2:30 PM
11:00 AM     3:00 PM
11:30 AM     3:30 PM
12:00 PM     4:00 PM
12:30 PM     4:30 PM
1:00 PM     5:00 PM

United States

Country: United States
Continent: North America
Category: countries
Time zone: America/Denver (UTC/GMT -7 hours)

French Guiana

Country: French Guiana
Continent: South America
Category: countries
Time zone: America/Cayenne (UTC/GMT -3 hours)

Time difference

Travelmath provides an online time zone converter for places all over the world. You can enter airports, cities, states, countries, or zip codes to find the time difference between any two locations. The calculator will automatically adjust for daylight saving time (DST) in the summer. You can use it as a meeting planner or a scheduler to find the best time to make international phone calls. World time zones have a positive or negative offset computed from Coordinated Universal Time (UTC), or Greenwich Mean Time (GMT). UTC has uniform seconds defined by International Atomic Time (TAI), with leap seconds announced at irregular intervals to compensate for the Earth's slowing rotation. The tz database or zoneinfo database uses the closest city, rather than the more common Eastern, Central, Mountain or Pacific time zones in the United States. Countries often change their daylight saving rules, so please help us stay current by letting us know if you find any pages that need updates.



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