July 21, 2026 · Rosso, Mauritania
Sunset in Rosso today is at 19:39. Day length is 12h 58m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Rosso's coordinates and updated daily.
Rosso lies at 17°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 Rosso.
The longest day in Rosso is around 13h 7m (around June 21). The shortest is around 11h 9m (around December 21). Days are currently getting shorter — losing about 1 minute per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 18:50 | 07:36 | 11h 14m |
| February | 19:06 | 07:31 | 11h 36m |
| March | 19:14 | 07:13 | 12h 1m |
| April | 19:19 | 06:49 | 12h 29m |
| May | 19:27 | 06:34 | 12h 53m |
| June | 19:37 | 06:31 | 13h 6m |
| July | 19:41 | 06:39 | 13h 2m |
| August | 19:30 | 06:48 | 12h 42m |
| September | 19:07 | 06:52 | 12h 15m |
| October | 18:44 | 06:56 | 11h 48m |
| November | 18:30 | 07:07 | 11h 23m |
| December | 18:33 | 07:24 | 11h 9m |