Time zone in French Guiana
Cayenne is on French Guiana Time (UTC-3) all year, with no daylight saving time. Its identifier in the international time zone database is America/Cayenne: it is what your phone and computer use to show the right time there.
With its overseas territories, France spans 12 time zones, more than any other country. French Guiana has no daylight saving time, so the gap with Paris changes by one hour when mainland France switches to summer time.
By the sun, noon in Cayenne falls at about 12:29 PM (on average over the year). The city lies at 52.31° west, and every degree of longitude shifts the sun by 4 minutes. The clock runs well ahead of the sun here, so mornings stay dark late and evenings stay light late. See the sunrise and sunset times in Cayenne.
Time difference with major cities
When it is 12:00 PM (noon) in French Guiana, it is:
| City | January | July |
|---|---|---|
| New York | 10:00 AM | 11:00 AM |
| Los Angeles | 7:00 AM | 8:00 AM |
| London | 3:00 PM | 4:00 PM |
| Paris | 4:00 PM | 5:00 PM |
| Tokyo | 12:00 AM, next day | 12:00 AM, next day |
| Sydney | 2:00 AM, next day | 1:00 AM, next day |
The gap with New York, Los Angeles, London, Paris and Sydney changes by one hour during the year: these cities use daylight saving time, Cayenne does not.
Best time to call French Guiana from New York
To reach someone at work in Cayenne from New York: in January, the best window is from 8:00 AM to 4:00 PM in New York, which is 10:00 AM to 6:00 PM in Cayenne. In July, the best window is from 8:00 AM to 5:00 PM in New York, which is 9:00 AM to 6:00 PM in Cayenne.
Detailed time differences: Paris and French Guiana. For any other city, use the time zone converter.