July 21, 2026 · Atar, Mauritania
Atar has 13h 12m of daylight today. Sunrise is at 06:23 and sunset is at 19:35. All times are calculated astronomically for Atar's exact coordinates.
Atar lies at 21°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 Atar, or see daylight hours for every day of the year.
The longest day in Atar is around 13h 23m (around June 21). The shortest is around 10h 53m (around December 21). Days are currently getting shorter — losing about 1 minute per day.
| Month | Day length | Sunrise | Sunset |
|---|---|---|---|
| January | 11h 1m | 07:32 | 18:32 |
| February | 11h 27m | 07:24 | 18:51 |
| March | 11h 59m | 07:03 | 19:02 |
| April | 12h 36m | 06:35 | 19:11 |
| May | 13h 5m | 06:17 | 19:22 |
| June | 13h 22m | 06:12 | 19:34 |
| July | 13h 16m | 06:20 | 19:37 |
| August | 12h 51m | 06:32 | 19:24 |
| September | 12h 18m | 06:40 | 18:58 |
| October | 11h 43m | 06:47 | 18:30 |
| November | 11h 11m | 07:02 | 18:13 |
| December | 10h 54m | 07:21 | 18:15 |