Solarposition.org

Tombouctou · Mali · 16.41° N · 3.67° W

Solar position in Goundam

Sun position, daylight and the best solar panel angle for Goundam — computed for 16.41° N, 3.67° W, 259 m above sea level.

Sunrise today06:09102° ESE
Sunset today17:48258° WSW
Best panel angle17°year-round, facing south
Off-grid angle12°best for the darkest month

The sun right now

Azimuth180.0°
Elevation61.7°
At solar noon, 11:58Open on the sun map

Sun in Goundam today

Saturday, 24 October 2026 · local time UTC

EventTimeDirection / height
Astronomical dawn04:56sun 18° below horizon
Nautical dawn05:2212° below
Civil dawn05:476° below
Sunrise06:09102° ESE
Golden hour ends06:38sun 6° up
Solar noon11:5861.7° high
Golden hour starts17:18sun 6° up
Sunset17:48258° WSW
Civil dusk18:106° below
Nautical dusk18:3512° below
Astronomical dusk19:0018° below
Day length11 h 39 min

Sun path diagram for Goundam

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 solstice6789101112131415161718EquinoxDecember solstice7891011121314151617Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 83.0° at solar noon in Goundam; on the December solstice only 50.2°. 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
January06:4612:2618:0511 h 19 min53.8°
February06:3712:2818:1911 h 42 min63.1°
March06:1812:2118:2512 h 08 min73.9°
April05:5512:1318:3112 h 36 min85.5°
May05:4212:1118:4012 h 57 min86.2°
June05:4312:1618:4913 h 06 min83.0°
July05:5212:2118:4912 h 58 min86.0°
August05:5912:1718:3512 h 36 min85.6°
September06:0312:0718:1112 h 08 min74.2°
October06:0811:5917:4911 h 41 min62.8°
November06:2112:0017:3911 h 18 min53.6°
December06:3812:1217:4711 h 09 min50.2°

A year of daylight in Goundam

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 Goundam

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

17°collects the most energy over a year: 1865 kWh per kWp.

12°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 17°Best worst-month 12°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearJuly kWh/kWp/dayBest ÷ worst month
0°180096%5.091.3×
12° off-grid best1860100%4.861.1×
15°1864100%4.781.2×
16° = latitude1865100%4.751.2×
17° year-round best1865100%4.721.2×
30°182598%4.221.3×
45°168590%3.441.6×
60°145478%2.512.1×
70°126068%1.882.7×
90°86346%1.263.5×

A fixed array in Goundam produces the most over a year at 17°. The design month for an off-grid system is July: at 12° it makes 4.86 kWh per kWp a day, 3% more than at 17°, and costs 0% of the yearly total. Why steep panels win winter.

Off-grid solar in Goundam at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 17° (year-round best).

0123456January: 4.86 (70°)4.9JanFebruary: 4.50 (70°)4.5FebMarch: 3.82 (70°)3.8MarApril: 2.91 (70°)2.9AprMay: 2.16 (70°)2.2MayJune: 1.91 (70°)1.9JunJuly: 1.88 (70°)1.9JulAugust: 2.29 (70°)2.3AugSeptember: 3.17 (70°)3.2SepOctober: 4.08 (70°)4.1OctNovember: 4.82 (70°)4.8NovDecember: 5.09 (70°)5.1Dec17°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 17°Mean temp.
January5.355.814.865.0620.2 °C
February6.075.454.505.3923.4 °C
March6.764.713.825.5427.6 °C
April7.103.662.915.4131.6 °C
May6.992.772.165.0434.6 °C
June6.712.471.914.7535.0 °C
July6.582.411.884.7232.6 °C
August6.452.892.294.8430.6 °C
September6.503.973.175.1531.1 °C
October6.205.094.085.2430.4 °C
November5.635.904.825.1725.8 °C
December5.246.135.095.0521.6 °C
Year6.30 avg4.27 avg1260 kWh1865 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 630 Wp of panels at 70°, versus 250 Wp at 17°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Goundam

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.

2.4 mrow pitch at 70°

2.5 mrow pitch at 17°

Row spacing calculator

How Goundam compares in Mali

Against the other 59 places in Mali with climate data, for a fixed array at its best angle.

4thof 60 places in Mali for sunshine: 6.30 peak sun hours a day on flat ground.

+6%solar energy a year compared with the average place in Mali: 1,865 against 1,757 kWh per kWp.

+14 mindaylight on the longest day, compared with Bamako: 13 h 06 min against 12 h 52 min.

17°best year-round tilt here; across Mali it runs from 12° in Massiogo to 19° in Kidal.

Of the 60 places in Mali, Bourem gets the most sun (6.38 peak sun hours a day) and Massiogo the least (5.57); Goundam ranks 4th. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 1.88 kWh a day here, against 1.57 kWh on average in Mali. The shortest day lasts 11 h 09 min, −14 min compared with Bamako.

The sunniest places in Mali

Solar forecast for Goundam, 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 Goundam

What is the best solar panel angle in Goundam?
For a fixed array facing south, the best year-round tilt in Goundam is 17°, worth about 1865 kWh per kWp a year. An off-grid system that has to get through July does better at about 12°.
What time is sunrise and sunset in Goundam today?
On 24 October 2026 the sun rises at 06:09 and sets at 17:48 local time (UTC), giving 11 h 39 min of daylight. Solar noon is at 11:58.
How many peak sun hours does Goundam get?
On a flat surface 6.3 hours a day averaged over the year, from 5.2 in December to 7.1 in April. Panels tilted at 70° receive 2.4 sun hours a day in July.
How high does the sun get in Goundam?
At solar noon the sun stands 83.0° above the horizon on the June solstice and 50.2° on the December solstice.
Is Goundam a good place for solar panels?
With 6.3 peak sun hours a day on flat ground, Goundam ranks 4th of 60 places in Mali for sunshine. A 1 kWp array at the best angle (17°) makes about 1,865 kWh a year here, 6% more than the average place in Mali.

Places near Goundam

All places in Mali

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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.