July 21, 2026 · Bissau, Guinea-Bissau
Sunset in Bissau today is at 19:31. Day length is 12h 43m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Bissau's coordinates and updated daily.
Bissau lies at 12°N. Near the tropics, day length stays close to 12 hours year-round, with only minor variation between seasons.
Sunset shifts later through spring and earlier through autumn — changing fastest near the equinoxes and slowest near the summer and winter solstices. See the year chart to visualise how sunset times shift month by month for Bissau.
The longest day in Bissau is around 12h 49m (around June 21). The shortest is around 11h 26m (around December 21).
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 18:57 | 07:27 | 11h 30m |
| February | 19:10 | 07:25 | 11h 45m |
| March | 19:14 | 07:11 | 12h 2m |
| April | 19:15 | 06:52 | 12h 23m |
| May | 19:19 | 06:40 | 12h 40m |
| June | 19:28 | 06:39 | 12h 49m |
| July | 19:32 | 06:46 | 12h 46m |
| August | 19:24 | 06:52 | 12h 32m |
| September | 19:05 | 06:53 | 12h 13m |
| October | 18:46 | 06:52 | 11h 53m |
| November | 18:35 | 07:00 | 11h 36m |
| December | 18:41 | 07:15 | 11h 26m |