America/Cayenne time zone

America/Cayenne is an IANA time zone used in French Guiana. It stays on UTC−3 all year.

America/Cayenne at a glance

UTC offset now	UTC−3
Standard time	UTC−3
Used in	French Guiana

Rules of the America/Cayenne time zone

This zone has a single offset, UTC−3, with no seasonal changes recorded since 1970.

Where America/Cayenne is used

America/Cayenne is used in French Guiana. These are the largest cities in our list that follow it.

Cayenne

America/Cayenne compared with other time zones

Differences change during the year when one side moves to or from daylight saving time, so the table shows January and July separately.

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

Other zones on UTC−3 right now

These IANA zones show the same time as America/Cayenne today. Their clock-change rules may differ.

Using America/Cayenne in software

Use the zone name America/Cayenne rather than an abbreviation or a fixed offset. Abbreviations can mean several zones, and offsets ignore future clock changes.

Show the current time in America/Cayenne:

// JavaScript
new Intl.DateTimeFormat('en-GB', { timeZone: 'America/Cayenne', timeStyle: 'long' }).format(new Date());
# Python
from datetime import datetime
from zoneinfo import ZoneInfo
datetime.now(ZoneInfo('America/Cayenne'))
// PHP
(new DateTime('now', new DateTimeZone('America/Cayenne')))->format('c');
# Shell
TZ=America/Cayenne date

Plan around the time in America/Cayenne

Convert a time to or from America/Cayenne: 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 America/Cayenne and the other cities you work with.
Open a full-screen clock for your own time zone.

Frequently asked questions

What is the UTC offset of America/Cayenne?

UTC−3, all year.

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.