July 21, 2026 · Cayenne, French Guiana
Cayenne has 12h 22m of daylight today. Sunrise is at 06:25 and sunset is at 18:47. All times are calculated astronomically for Cayenne's exact coordinates.
Cayenne lies at 5°N. Near the tropics, day length stays close to 12 hours year-round, with only minor variation between seasons.
Day length changes fastest near the spring and autumn equinoxes and slowest near the longest day and shortest day of the year. See the year chart to visualise how daylight hours shift month by month for Cayenne, or see daylight hours for every day of the year.
The longest day in Cayenne is around 12h 24m (around June 21). The shortest is around 11h 50m (around December 21).
| Month | Day length | Sunrise | Sunset |
|---|---|---|---|
| January | 11h 52m | 06:43 | 18:35 |
| February | 11h 58m | 06:46 | 18:43 |
| March | 12h 5m | 06:37 | 18:42 |
| April | 12h 13m | 06:24 | 18:37 |
| May | 12h 20m | 06:16 | 18:37 |
| June | 12h 24m | 06:18 | 18:43 |
| July | 12h 23m | 06:24 | 18:47 |
| August | 12h 17m | 06:26 | 18:43 |
| September | 12h 9m | 06:21 | 18:30 |
| October | 12h 1m | 06:15 | 18:17 |
| November | 11h 54m | 06:18 | 18:12 |
| December | 11h 50m | 06:30 | 18:20 |