Solarposition.org

Faranah · Guinea · 10.77° N · 11.37° W

Solar position in Arfa Moussaïa

Sun position, daylight and the best solar panel angle for Arfa Moussaïa — computed for 10.77° N, 11.37° W, 668 m above sea level.

Sunrise today06:35102° ESE
Sunset today18:23258° WSW
Best panel angle13°year-round, facing south
Off-grid angle0°best for the darkest month

The sun right now

Azimuth180.0°
Elevation67.4°
At solar noon, 12:29Open on the sun map

Sun in Arfa Moussaïa today

Saturday, 24 October 2026 · local time UTC

EventTimeDirection / height
Astronomical dawn05:24sun 18° below horizon
Nautical dawn05:4912° below
Civil dawn06:136° below
Sunrise06:35102° ESE
Golden hour ends07:03sun 6° up
Solar noon12:2967.4° high
Golden hour starts17:55sun 6° up
Sunset18:23258° WSW
Civil dusk18:456° below
Nautical dusk19:1012° below
Astronomical dusk19:3418° below
Day length11 h 49 min

Sun path diagram for Arfa Moussaïa

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 77.3° at solar noon in Arfa Moussaïa; on the December solstice only 55.8°. Sunrise swings from 66° ENE in June to 114° ESE in December — a 48° 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
January07:0812:5618:4411 h 36 min59.4°
February07:0312:5918:5411 h 51 min68.8°
March06:4912:5218:5612 h 07 min79.6°
April06:3112:4418:5612 h 25 min88.8°
May06:2212:4219:0112 h 39 min80.5°
June06:2412:4719:0912 h 45 min77.3°
July06:3212:5119:1112 h 40 min80.4°
August06:3512:4819:0112 h 25 min88.8°
September06:3412:3818:4212 h 07 min79.8°
October06:3412:3018:2511 h 50 min68.4°
November06:4312:3118:1911 h 36 min59.3°
December06:5812:4318:2811 h 30 min55.8°

A year of daylight in Arfa Moussaïa

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 Arfa Moussaïa

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

13°collects the most energy over a year: 1647 kWh per kWp.

0°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 13°Best worst-month 0°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearJuly kWh/kWp/dayBest ÷ worst month
0° off-grid best161498%3.951.3×
11° = latitude1647100%3.761.3×
13° year-round best1647100%3.721.4×
15°1646100%3.671.4×
30°158996%3.211.7×
45°144688%2.592.1×
60°122875%1.892.7×
70°105364%1.443.4×
90°72644%1.143.2×

A fixed array in Arfa Moussaïa produces the most over a year at 13°. The design month for an off-grid system is July: at 0° it makes 3.95 kWh per kWp a day, 6% more than at 13°, and costs 2% of the yearly total. Why steep panels win winter.

Off-grid solar in Arfa Moussaïa at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 13° (year-round best).

0123456January: 4.48 (70°)4.5JanFebruary: 3.94 (70°)3.9FebMarch: 3.17 (70°)3.2MarApril: 2.23 (70°)2.2AprMay: 1.60 (70°)1.6MayJune: 1.40 (70°)1.4JunJuly: 1.44 (70°)1.4JulAugust: 1.76 (70°)1.8AugSeptember: 2.42 (70°)2.4SepOctober: 3.26 (70°)3.3OctNovember: 4.25 (70°)4.2NovDecember: 4.73 (70°)4.7Dec13°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 13°Mean temp.
January5.535.444.484.9124.0 °C
February6.014.843.945.0726.7 °C
March6.343.943.175.0828.9 °C
April6.312.802.234.8229.7 °C
May5.882.021.604.3828.2 °C
June5.321.771.403.9525.7 °C
July4.931.811.443.7223.9 °C
August4.842.171.763.7523.2 °C
September5.222.962.424.1923.6 °C
October5.443.973.264.5524.3 °C
November5.525.154.254.8624.0 °C
December5.455.724.734.9323.2 °C
Year5.56 avg3.54 avg1053 kWh1647 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 840 Wp of panels at 70°, versus 320 Wp at 13°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Arfa Moussaïa

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.

2.1 mrow pitch at 70°

2.3 mrow pitch at 13°

Row spacing calculator

How Arfa Moussaïa compares in Guinea

Against the other 46 places in Guinea with climate data, for a fixed array at its best angle.

15thof 47 places in Guinea for sunshine: 5.56 peak sun hours a day on flat ground.

+3%solar energy a year compared with the average place in Guinea: 1,647 against 1,594 kWh per kWp.

+4 mindaylight on the longest day, compared with Conakry: 12 h 45 min against 12 h 41 min.

13°best year-round tilt here; across Guinea it runs from 10° in Nzérékoré to 14° in Kintinian.

Of the 47 places in Guinea, Kintinian gets the most sun (5.75 peak sun hours a day) and Nzérékoré the least (4.86); Arfa Moussaïa ranks 15th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.40 kWh a day here, against 1.35 kWh on average in Guinea. The shortest day lasts 11 h 30 min, −4 min compared with Conakry.

The sunniest places in Guinea

Solar forecast for Arfa Moussaïa, 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 Arfa Moussaïa

What is the best solar panel angle in Arfa Moussaïa?
For a fixed array facing south, the best year-round tilt in Arfa Moussaïa is 13°, worth about 1647 kWh per kWp a year. An off-grid system that has to get through July does better at about 0°.
What time is sunrise and sunset in Arfa Moussaïa today?
On 24 October 2026 the sun rises at 06:35 and sets at 18:23 local time (UTC), giving 11 h 49 min of daylight. Solar noon is at 12:29.
How many peak sun hours does Arfa Moussaïa get?
On a flat surface 5.6 hours a day averaged over the year, from 4.8 in August to 6.3 in March. Panels tilted at 70° receive 1.8 sun hours a day in June.
How high does the sun get in Arfa Moussaïa?
At solar noon the sun stands 77.3° above the horizon on the June solstice and 55.8° on the December solstice.
Is Arfa Moussaïa a good place for solar panels?
With 5.6 peak sun hours a day on flat ground, Arfa Moussaïa ranks 15th of 47 places in Guinea for sunshine. A 1 kWp array at the best angle (13°) makes about 1,647 kWh a year here, 3% more than the average place in Guinea.

Places near Arfa Moussaïa

All places in Guinea

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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.