Solarposition.org

Hodh El Gharbi · Mauritania · 16.66° N · 9.61° W

Solar position in Ayoun El Atrous

Sun position, daylight and the best solar panel angle for Ayoun El Atrous — computed for 16.66° N, 9.61° W, 235 m above sea level.

Sunrise today06:33102° ESE
Sunset today18:11258° WSW
Best panel angle16°year-round, facing south
Off-grid angle17°best for the darkest month

The sun right now

Azimuth180.0°
Elevation61.5°
At solar noon, 12:22Open on the sun map

Sun in Ayoun El Atrous today

Saturday, 24 October 2026 · local time UTC

EventTimeDirection / height
Astronomical dawn05:20sun 18° below horizon
Nautical dawn05:4612° below
Civil dawn06:116° below
Sunrise06:33102° ESE
Golden hour ends07:02sun 6° up
Solar noon12:2261.5° high
Golden hour starts17:42sun 6° up
Sunset18:11258° WSW
Civil dusk18:336° below
Nautical dusk18:5912° below
Astronomical dusk19:2418° below
Day length11 h 38 min

Sun path diagram for Ayoun El Atrous

Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.

15°30°45°60°75°N30°60°E120°150°S210°240°W300°330°June solstice78910111213141516171819EquinoxDecember solstice89101112131415161718Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 83.2° at solar noon in Ayoun El Atrous; on the December solstice only 49.9°. Sunrise swings from 65° ENE in June to 114° ESE in December — a 49° arc along the horizon.

Sunrise, sunset and sun height by month

Values for the 21st of each month, local clock time including daylight saving time.

MonthSunriseSolar noonSunsetDay lengthNoon elevation
January07:1012:4918:2811 h 18 min53.5°
February07:0112:5218:4211 h 42 min62.9°
March06:4112:4518:4912 h 08 min73.7°
April06:1912:3718:5512 h 36 min85.3°
May06:0612:3519:0412 h 58 min86.4°
June06:0612:4019:1313 h 07 min83.2°
July06:1512:4419:1412 h 59 min86.3°
August06:2312:4118:5912 h 36 min85.3°
September06:2712:3118:3512 h 08 min73.9°
October06:3212:2218:1311 h 41 min62.5°
November06:4512:2418:0311 h 18 min53.4°
December07:0212:3618:1011 h 08 min49.9°

A year of daylight in Ayoun El Atrous

Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.

00:0003:0006:0009:0012:0015:0018:0021:0000:00JanFebMarAprMayJunJulAugSepOctNovDec

Best solar panel angle in Ayoun El Atrous

Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.

16°collects the most energy over a year: 1844 kWh per kWp.

17°gives the most in the darkest month — the one an off-grid system is sized for.

20%30%40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 16°Best worst-month 17°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°178497%4.021.4×
15°1844100%4.721.2×
16° year-round best1844100%4.761.2×
17° off-grid best = latitude1844100%4.801.2×
30°180298%5.151.3×
45°166090%5.271.5×
60°143078%5.092.0×
70°123767%4.792.4×
90°84546%3.843.3×

A fixed array in Ayoun El Atrous produces the most over a year at 16°. The design month for an off-grid system is December: at 17° it makes 4.80 kWh per kWp a day, and costs 0% of the yearly total. Why steep panels win winter.

Off-grid solar in Ayoun El Atrous at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 16° (year-round best).

0123456January: 4.75 (70°)4.8JanFebruary: 4.36 (70°)4.4FebMarch: 3.81 (70°)3.8MarApril: 2.91 (70°)2.9AprMay: 2.19 (70°)2.2MayJune: 1.96 (70°)2.0JunJuly: 1.96 (70°)2.0JulAugust: 2.31 (70°)2.3AugSeptember: 3.13 (70°)3.1SepOctober: 3.97 (70°)4.0OctNovember: 4.58 (70°)4.6NovDecember: 4.79 (70°)4.8Dec16°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 16°Mean temp.
January5.245.694.754.9220.4 °C
February5.915.294.365.2123.5 °C
March6.714.693.815.5127.6 °C
April7.173.662.915.4831.6 °C
May7.112.812.195.1634.5 °C
June6.842.531.964.8834.9 °C
July6.642.501.964.8231.9 °C
August6.462.912.314.8929.7 °C
September6.343.913.135.0529.8 °C
October6.004.923.975.0729.3 °C
November5.405.604.584.9125.6 °C
December5.025.774.794.7621.6 °C
Year6.24 avg4.18 avg1237 kWh1844 kWh

Sizing example. To run a 1 kWh-per-day load through July on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 600 Wp of panels at 70°, versus 250 Wp at 16°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Ayoun El Atrous

Distance between rows of 2 m long panels (slope length) so that no row shades the next between 10:00 and 14:00 solar time on the winter solstice.

2.5 mrow pitch at 70°

2.4 mrow pitch at 16°

Row spacing calculator

How Ayoun El Atrous compares in Mauritania

Against the other 25 places in Mauritania with climate data, for a fixed array at its best angle.

7thof 26 places in Mauritania for sunshine: 6.24 peak sun hours a day on flat ground.

±0%solar energy a year compared with the average place in Mauritania: 1,844 against 1,845 kWh per kWp.

−6 mindaylight on the longest day, compared with Nouakchott: 13 h 07 min against 13 h 13 min.

16°best year-round tilt here; across Mauritania it runs from 15° in Sélibaby to 22° in Zouérat.

Of the 26 places in Mauritania, Boutilimitt and one other place get the most sun (6.37 peak sun hours a day) and El ’Ayoûn the least (6.03); Ayoun El Atrous ranks 7th. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 1.96 kWh a day here, against 1.95 kWh on average in Mauritania. The shortest day lasts 11 h 08 min, +5 min compared with Nouakchott.

The sunniest places in Mauritania

Solar forecast for Ayoun El Atrous, next 48 hours

Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.

Loading the latest forecast…

Questions about the sun in Ayoun El Atrous

What is the best solar panel angle in Ayoun El Atrous?
For a fixed array facing south, the best year-round tilt in Ayoun El Atrous is 16°, worth about 1844 kWh per kWp a year. An off-grid system that has to get through December does better at about 17°.
What time is sunrise and sunset in Ayoun El Atrous today?
On 24 October 2026 the sun rises at 06:33 and sets at 18:11 local time (UTC), giving 11 h 38 min of daylight. Solar noon is at 12:22.
How many peak sun hours does Ayoun El Atrous get?
On a flat surface 6.2 hours a day averaged over the year, from 5.0 in December to 7.2 in April. Panels tilted at 70° receive 2.5 sun hours a day in July.
How high does the sun get in Ayoun El Atrous?
At solar noon the sun stands 83.2° above the horizon on the June solstice and 49.9° on the December solstice.
Is Ayoun El Atrous a good place for solar panels?
With 6.2 peak sun hours a day on flat ground, Ayoun El Atrous ranks 7th of 26 places in Mauritania for sunshine. A 1 kWp array at the best angle (16°) makes about 1,844 kWh a year here, as much as the average place in Mauritania.

Places near Ayoun El Atrous

All places in Mauritania

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Sun positions: NREL Solar Position Algorithm. Climate: NASA POWER monthly climatology (NASA Langley Research Center). Forecast: Deutscher Wetterdienst, ICON-EU (CC BY 4.0), processed. Places: GeoNames (CC BY 4.0). Time zones: IANA. Sources and licences.