How many hours of daylight does Cayenne get on its longest day?

About 12h 24m, around June 21, with sunrise at 06:20 and sunset at 18:44 local time.

How short is the shortest day in Cayenne?

About 11h 50m, around December 21, with sunrise at 06:33 and sunset at 18:23 local time.

How much does day length change in Cayenne through the year?

By 0h 34m between the longest and shortest days. It changes fastest around March 25, by about 0.3 minutes a day.

French Guiana · 4.93°N, 52.33°W

Daylight hours in Cayenne

Cayenne gets 12h 24m of daylight on its longest day, around June 21, and 11h 50m on its shortest, around December 21: a swing of 0h 34m across the year. So close to the equator, day length barely changes with the seasons.

Today in Cayenne

Sunrise–

Sunset–

Daylight–

vs yesterday–

Sunrise and sunset through the year

Local time, including daylight saving time where Cayenne observes it, which is why the lines can jump by an hour. The shaded band is daylight. 2026 dates.

Key days

Longest day12h 24mJune 21 · 06:20–18:44

Shortest day11h 50mDecember 21 · 06:33–18:23

March equinox12h 07mMarch 20 · 06:34–18:41

Fastest change+0.3 min/dayaround March 25

Daylight by month

Sunrise, sunset and day length in Cayenne on the first of each month, 2026
Date	Sunrise	Sunset	Daylight
January 1	06:38	18:29	11h 50m
February 1	06:46	18:41	11h 55m
March 1	06:42	18:43	12h 01m
April 1	06:29	18:39	12h 10m
May 1	06:18	18:36	12h 18m
June 1	06:16	18:40	12h 23m
July 1	06:22	18:46	12h 24m
August 1	06:26	18:46	12h 20m
September 1	06:24	18:37	12h 13m
October 1	06:18	18:22	12h 05m
November 1	06:15	18:12	11h 57m
December 1	06:24	18:15	11h 51m

Cities with similar daylight

These cities sit within 3° of Cayenne’s latitude in the same hemisphere, so their days grow and shrink almost in step:

Bogotá 4.61°N
Accra 5.56°N
Medellín 6.25°N
Lagos 6.45°N
Kuala Lumpur 3.14°N
Colombo 6.94°N

More: all cities between 0°–10° North · compare Cayenne with any city