July 21, 2026 · Saint-Louis, Senegal
Sunset in Saint-Louis today is at 19:41. Day length is 12h 57m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Saint-Louis's coordinates and updated daily.
Saint-Louis lies at 16°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 Saint-Louis.
The longest day in Saint-Louis is around 13h 5m (around June 21). The shortest is around 11h 10m (around December 21). Days are currently getting shorter — losing about 1 minute per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 18:54 | 07:38 | 11h 16m |
| February | 19:09 | 07:33 | 11h 37m |
| March | 19:17 | 07:16 | 12h 1m |
| April | 19:21 | 06:52 | 12h 29m |
| May | 19:29 | 06:37 | 12h 52m |
| June | 19:39 | 06:35 | 13h 4m |
| July | 19:42 | 06:42 | 12h 60m |
| August | 19:32 | 06:51 | 12h 41m |
| September | 19:10 | 06:55 | 12h 15m |
| October | 18:47 | 06:59 | 11h 48m |
| November | 18:33 | 07:09 | 11h 24m |
| December | 18:37 | 07:26 | 11h 11m |