July 21, 2026 · Saint-Louis, Reunion
Saint-Louis has 11h 1m of daylight today. Sunrise is at 06:55 and sunset is at 17:56. All times are calculated astronomically for Saint-Louis's exact coordinates.
Saint-Louis lies at 21°S. 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 Saint-Louis, or see daylight hours for every day of the year.
The longest day in Saint-Louis is around 13h 26m (around December 21). The shortest is around 10h 50m (around June 21). Days are currently getting longer — gaining about 1 minute per day.
| Month | Day length | Sunrise | Sunset |
|---|---|---|---|
| January | 13h 17m | 05:50 | 19:07 |
| February | 12h 48m | 06:09 | 18:57 |
| March | 12h 14m | 06:21 | 18:35 |
| April | 11h 37m | 06:31 | 18:07 |
| May | 11h 7m | 06:42 | 17:49 |
| June | 10h 51m | 06:54 | 17:45 |
| July | 10h 57m | 06:56 | 17:53 |
| August | 11h 22m | 06:43 | 18:05 |
| September | 11h 57m | 06:16 | 18:13 |
| October | 12h 34m | 05:48 | 18:22 |
| November | 13h 7m | 05:30 | 18:37 |
| December | 13h 25m | 05:32 | 18:57 |