All of French Guiana keeps one time, UTC−3, all year round.
French Guiana at a glance
| Capital | Cayenne |
|---|---|
| UTC offsets | UTC−3 |
| IANA time zones | 1 |
| Daylight saving time | Not observed |
Which time zone French Guiana uses
French Guiana uses a single IANA time zone, America/Cayenne.
| Time zone | Time now | UTC offset | Daylight saving time | Main cities |
|---|---|---|---|---|
| America/Cayenne | --:-- | UTC−3 | Not observed | Cayenne |
Daylight saving time in French Guiana
There are no seasonal clock changes in French Guiana. The time difference to other countries shifts only when they change their own clocks.
Current time in cities in French Guiana
| City | Region | Time now | Time zone |
|---|---|---|---|
| Cayenne | Guyane | --:-- | America/Cayenne |
Time difference between French Guiana and other countries
A 9:00 AM start in French Guiana is 12:00 PM in London, 11:00 PM in Sydney and 4:00 AM in Los Angeles.
| City | Time now | Difference now | In January | In July |
|---|---|---|---|---|
| New York (United States) | --:-- | 2 h behind | 2 h behind | 1 h behind |
| Los Angeles (United States) | --:-- | 5 h behind | 5 h behind | 4 h behind |
| London (United Kingdom) | --:-- | 3 h ahead | 3 h ahead | 4 h ahead |
| Paris (France) | --:-- | 4 h ahead | 4 h ahead | 5 h ahead |
| Dubai (United Arab Emirates) | --:-- | 7 h ahead | 7 h ahead | 7 h ahead |
| Mumbai (India) | --:-- | 8 h 30 min ahead | 8 h 30 min ahead | 8 h 30 min ahead |
| Singapore | --:-- | 11 h ahead | 11 h ahead | 11 h ahead |
| Tokyo (Japan) | --:-- | 12 h ahead | 12 h ahead | 12 h ahead |
| Sydney (Australia) | --:-- | 14 h ahead | 14 h ahead | 13 h ahead |
| UTC | --:-- | 3 h ahead | 3 h ahead | 3 h ahead |
Daylight across French Guiana
In Cayenne, daylight runs from 11 hours 50 minutes at the December solstice to 12 hours 25 minutes at the June solstice.
Countries on the same time as French Guiana
These countries read the same time as French Guiana today. Those marked with daylight saving time will drift away when their clocks change.
- Argentina
- Brazil
- Chile Daylight saving time
- Falkland Islands
- Paraguay
- St. Pierre and Miquelon Daylight saving time
- Suriname
- Uruguay
Daylight saving time
Tools for time in French Guiana
- Convert a time to or from French Guiana: pick a date and time and see it in every city on your list.
- Add Cayenne to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in French Guiana and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
How many time zones does French Guiana have?
One: America/Cayenne, at UTC−3 all year.
Does French Guiana use daylight saving time?
No. The time stays at UTC−3 all year.
What is the time difference between French Guiana and London?
French Guiana is 3 hours behind London in January and 4 hours behind London in July, because London moves its clocks for daylight saving time and French Guiana does not.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.