Ngouni · Gabon · 1.87° S · 11.06° E
Solar position in Mouila
Sun position, daylight and the best solar panel angle for Mouila — computed for 1.87° S, 11.06° E, 92 m above sea level.
The sun right now
Sun in Mouila today
Saturday, 24 October 2026 · local time UTC+1
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:44 | sun 18° below horizon |
| Nautical dawn | 05:09 | 12° below |
| Civil dawn | 05:33 | 6° below |
| Sunrise | 05:55 | 102° ESE |
| Golden hour ends | 06:22 | sun 6° up |
| Solar noon | 11:59 | 80.0° high |
| Golden hour starts | 17:36 | sun 6° up |
| Sunset | 18:04 | 258° WSW |
| Civil dusk | 18:26 | 6° below |
| Nautical dusk | 18:50 | 12° below |
| Astronomical dusk | 19:15 | 18° below |
| Day length | 12 h 10 min | |
Sun path diagram for Mouila
Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.
- June solstice
- Equinox
- December solstice
- Today
On the June solstice the sun reaches 64.7° at solar noon in Mouila; on the December solstice only 68.4°. Sunrise swings from 67° ENE in June to 113° ESE in December — a 47° 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.
| Month | Sunrise | Solar noon | Sunset | Day length | Noon elevation |
|---|---|---|---|---|---|
| January | 06:20 | 12:27 | 18:33 | 12 h 13 min | 72.0° |
| February | 06:24 | 12:29 | 18:34 | 12 h 09 min | 81.4° |
| March | 06:19 | 12:22 | 18:26 | 12 h 06 min | 87.8° |
| April | 06:12 | 12:14 | 18:16 | 12 h 04 min | 76.2° |
| May | 06:11 | 12:12 | 18:13 | 12 h 02 min | 67.9° |
| June | 06:17 | 12:17 | 18:18 | 12 h 01 min | 64.7° |
| July | 06:21 | 12:22 | 18:23 | 12 h 02 min | 67.7° |
| August | 06:17 | 12:19 | 18:20 | 12 h 03 min | 76.1° |
| September | 06:05 | 12:08 | 18:12 | 12 h 06 min | 87.5° |
| October | 05:55 | 12:00 | 18:05 | 12 h 10 min | 81.1° |
| November | 05:55 | 12:01 | 18:07 | 12 h 13 min | 71.9° |
| December | 06:06 | 12:13 | 18:20 | 12 h 14 min | 68.4° |
A year of daylight in Mouila
Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.
Best solar panel angle in Mouila
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
1°collects the most energy over a year: 1150 kWh per kWp.
15°gives the most in the darkest month — the one an off-grid system is sized for.
- Yearly energy
- Worst-month energy
| Tilt | kWh/kWp per year | Share of best year | August kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1150 | 100% | 2.49 | 1.6× |
| 1° year-round best | 1150 | 100% | 2.50 | 1.6× |
| 2° = latitude | 1150 | 100% | 2.51 | 1.6× |
| 15° off-grid best | 1124 | 98% | 2.55 | 1.5× |
| 30° | 1041 | 91% | 2.49 | 1.5× |
| 45° | 909 | 79% | 2.31 | 1.7× |
| 60° | 739 | 64% | 2.01 | 2.1× |
| 70° | 625 | 54% | 1.77 | 2.2× |
| 90° | 442 | 38% | 1.20 | 1.8× |
A fixed array in Mouila produces the most over a year at 1°. The design month for an off-grid system is August: at 15° it makes 2.55 kWh per kWp a day, 2% more than at 1°, and costs 2% of the yearly total. Why steep panels win winter.
Off-grid solar in Mouila at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 1° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 1° | Mean temp. |
|---|---|---|---|---|---|
| January | 4.60 | 1.53 | 1.21 | 3.64 | 25.0 °C |
| February | 4.62 | 1.78 | 1.41 | 3.67 | 25.3 °C |
| March | 4.89 | 2.41 | 1.94 | 3.89 | 25.4 °C |
| April | 4.66 | 3.00 | 2.44 | 3.72 | 25.2 °C |
| May | 3.89 | 2.95 | 2.40 | 3.10 | 25.0 °C |
| June | 3.26 | 2.62 | 2.14 | 2.60 | 24.0 °C |
| July | 3.22 | 2.51 | 2.05 | 2.57 | 23.3 °C |
| August | 3.15 | 2.19 | 1.77 | 2.50 | 23.8 °C |
| September | 3.29 | 1.91 | 1.53 | 2.61 | 24.8 °C |
| October | 3.89 | 1.72 | 1.37 | 3.09 | 24.6 °C |
| November | 4.04 | 1.44 | 1.13 | 3.20 | 24.5 °C |
| December | 4.11 | 1.45 | 1.14 | 3.25 | 24.7 °C |
| Year | 3.96 avg | 2.13 avg | 625 kWh | 1150 kWh |
Sizing example. To run a 1 kWh-per-day load through November on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 1,040 Wp of panels at 70°, versus 470 Wp at 1°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Mouila
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.
1.7 mrow pitch at 70°
2.0 mrow pitch at 1°
How Mouila compares in Gabon
Against the other 14 places in Gabon with climate data, for a fixed array at its best angle.
14thof 15 places in Gabon for sunshine, shared: 3.96 peak sun hours a day on flat ground.
−6%solar energy a year compared with the average place in Gabon: 1,150 against 1,229 kWh per kWp.
+5 mindaylight on the longest day, compared with Libreville: 12 h 14 min against 12 h 09 min.
1°best year-round tilt here; across Gabon it runs from 0° in Lambaréné to 3° in Oyem.
Of the 15 places in Gabon, Bitam and one other place get the most sun (4.39 peak sun hours a day) and Tchibanga and one other place the least (3.96); Mouila ranks joint 14th. In its darkest month, November, 1 kWp of off-grid panels at 70° makes 1.13 kWh a day here, against 1.10 kWh on average in Gabon. The shortest day lasts 12 h 01 min, −5 min compared with Libreville.
Solar forecast for Mouila, next 48 hours
Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.
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Questions about the sun in Mouila
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Places near Mouila
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A free, live card for Mouila: where the sun is right now on today's path, a countdown to sunset or sunrise, the daylight change, the moon phase at night and the best panel angle.
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.