Solarposition.org

Batna · Algeria · 35.67° N · 5.65° E

Solar position in Râs el Aïoun

Sun position, daylight and the best solar panel angle for Râs el Aïoun — computed for 35.67° N, 5.65° E, 862 m above sea level.

Sunrise today06:51104° ESE
Sunset today17:50256° WSW
Best panel angle31°year-round, facing south
Off-grid angle59°best for the darkest month

The sun right now

Azimuth180.0°
Elevation42.5°
At solar noon, 12:21Open on the sun map

Sun in Râs el Aïoun today

Saturday, 24 October 2026 · local time UTC+1

EventTimeDirection / height
Astronomical dawn05:26sun 18° below horizon
Nautical dawn05:5512° below
Civil dawn06:256° below
Sunrise06:51104° ESE
Golden hour ends07:26sun 6° up
Solar noon12:2142.5° high
Golden hour starts17:15sun 6° up
Sunset17:50256° WSW
Civil dusk18:166° below
Nautical dusk18:4612° below
Astronomical dusk19:1618° below
Day length10 h 59 min

Sun path diagram for Râs el Aïoun

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 solstice678910111213141516171819EquinoxDecember solstice891011121314151617Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 77.8° at solar noon in Râs el Aïoun; on the December solstice only 30.9°. Sunrise swings from 60° ENE in June to 119° ESE in December — a 59° 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
January07:4412:4817:5310 h 09 min34.5°
February07:1712:5118:2411 h 07 min43.9°
March06:3912:4418:4912 h 10 min54.7°
April05:5712:3619:1513 h 18 min66.3°
May05:2812:3419:4014 h 12 min74.6°
June05:2112:3919:5614 h 35 min77.8°
July05:3712:4319:5014 h 13 min74.7°
August06:0012:4019:1913 h 19 min66.3°
September06:2412:3018:3512 h 11 min54.9°
October06:4912:2117:5411 h 05 min43.5°
November07:1912:2317:2710 h 08 min34.4°
December07:4312:3517:279 h 44 min30.9°

A year of daylight in Râs el Aïoun

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 Râs el Aïoun

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

31°collects the most energy over a year: 1728 kWh per kWp.

59°gives the most in the darkest month — the one an off-grid system is sized for.

40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 31°Best worst-month 59°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°151788%2.003.1×
15°167297%2.782.2×
30°1728100%3.381.7×
31° year-round best1728100%3.411.6×
36° = latitude1722100%3.561.5×
45°168397%3.771.3×
59° off-grid best155390%3.911.2×
60°154189%3.911.2×
70°139881%3.871.4×
90°102259%3.472.3×

A fixed array in Râs el Aïoun produces the most over a year at 31°. The design month for an off-grid system is December: at 59° it makes 3.91 kWh per kWp a day, 15% more than at 31°, and costs 10% of the yearly total. Why steep panels win winter.

Off-grid solar in Râs el Aïoun at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 31° (year-round best).

0123456January: 4.13 (70°)4.1JanFebruary: 4.26 (70°)4.3FebMarch: 4.28 (70°)4.3MarApril: 3.79 (70°)3.8AprMay: 3.34 (70°)3.3MayJune: 3.12 (70°)3.1JunJuly: 3.25 (70°)3.3JulAugust: 3.66 (70°)3.7AugSeptember: 3.97 (70°)4.0SepOctober: 4.28 (70°)4.3OctNovember: 4.01 (70°)4.0NovDecember: 3.87 (70°)3.9Dec31°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 31°Mean temp.
January2.764.674.133.735.8 °C
February3.644.834.264.296.5 °C
March4.864.924.284.9310.1 °C
April5.944.433.795.2114.0 °C
May6.893.993.345.3918.3 °C
June7.733.813.125.6023.5 °C
July7.714.033.255.6227.4 °C
August6.834.513.665.4526.7 °C
September5.354.783.974.9021.8 °C
October4.185.064.284.5117.1 °C
November2.964.614.013.7510.5 °C
December2.454.393.873.416.7 °C
Year5.12 avg4.50 avg1398 kWh1728 kWh

Sizing example. To run a 1 kWh-per-day load through June on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 380 Wp of panels at 70°, versus 350 Wp at 31°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Râs el Aïoun

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.

4.3 mrow pitch at 70°

3.7 mrow pitch at 31°

Row spacing calculator

How Râs el Aïoun compares in Algeria

Against the other 293 places in Algeria with climate data, for a fixed array at its best angle.

82ndof 294 places in Algeria for sunshine: 5.12 peak sun hours a day on flat ground.

+2%solar energy a year compared with the average place in Algeria: 1,728 against 1,694 kWh per kWp.

−6 mindaylight on the longest day, compared with Algiers: 14 h 35 min against 14 h 41 min.

31°best year-round tilt here; across Algeria it runs from 23° in Tamanghasset to 32° in Ouled Djellal.

Of the 294 places in Algeria, Tamanghasset gets the most sun (6.40 peak sun hours a day) and Berrahal the least (4.73); Râs el Aïoun ranks 82nd. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 3.12 kWh a day here, against 3.05 kWh on average in Algeria. The shortest day lasts 9 h 45 min, +6 min compared with Algiers.

The sunniest places in Algeria

Solar forecast for Râs el Aïoun, 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 Râs el Aïoun

What is the best solar panel angle in Râs el Aïoun?
For a fixed array facing south, the best year-round tilt in Râs el Aïoun is 31°, worth about 1728 kWh per kWp a year. An off-grid system that has to get through December does better at about 59°.
What time is sunrise and sunset in Râs el Aïoun today?
On 24 October 2026 the sun rises at 06:51 and sets at 17:50 local time (UTC+1), giving 10 h 59 min of daylight. Solar noon is at 12:21.
How many peak sun hours does Râs el Aïoun get?
On a flat surface 5.1 hours a day averaged over the year, from 2.5 in December to 7.7 in June. Panels tilted at 70° receive 3.8 sun hours a day in June.
How high does the sun get in Râs el Aïoun?
At solar noon the sun stands 77.8° above the horizon on the June solstice and 30.9° on the December solstice.
Is Râs el Aïoun a good place for solar panels?
With 5.1 peak sun hours a day on flat ground, Râs el Aïoun ranks 82nd of 294 places in Algeria for sunshine. A 1 kWp array at the best angle (31°) makes about 1,728 kWh a year here, 2% more than the average place in Algeria.

Places near Râs el Aïoun

All places in Algeria

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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.