Nzérékoré Region · Guinea · 8.57° N · 10.13° W
Solar position in Gueckedou
Sun position, daylight and the best solar panel angle for Gueckedou — computed for 8.57° N, 10.13° W, 430 m above sea level.
The sun right now
Sun in Gueckedou today
Saturday, 24 October 2026 · local time UTC
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:17 | sun 18° below horizon |
| Nautical dawn | 05:42 | 12° below |
| Civil dawn | 06:07 | 6° below |
| Sunrise | 06:28 | 102° ESE |
| Golden hour ends | 06:56 | sun 6° up |
| Solar noon | 12:24 | 69.6° high |
| Golden hour starts | 17:52 | sun 6° up |
| Sunset | 18:20 | 258° WSW |
| Civil dusk | 18:42 | 6° below |
| Nautical dusk | 19:06 | 12° below |
| Astronomical dusk | 19:31 | 18° below |
| Day length | 11 h 52 min | |
Sun path diagram for Gueckedou
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 75.1° at solar noon in Gueckedou; on the December solstice only 58.0°. Sunrise swings from 66° ENE in June to 114° 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 | 07:00 | 12:51 | 18:43 | 11 h 42 min | 61.6° |
| February | 06:57 | 12:54 | 18:51 | 11 h 54 min | 71.0° |
| March | 06:44 | 12:47 | 18:51 | 12 h 07 min | 81.8° |
| April | 06:28 | 12:39 | 18:49 | 12 h 21 min | 86.6° |
| May | 06:20 | 12:37 | 18:53 | 12 h 33 min | 78.3° |
| June | 06:23 | 12:42 | 19:01 | 12 h 37 min | 75.1° |
| July | 06:30 | 12:47 | 19:03 | 12 h 33 min | 78.2° |
| August | 06:32 | 12:43 | 18:54 | 12 h 21 min | 86.6° |
| September | 06:29 | 12:33 | 18:37 | 12 h 07 min | 82.0° |
| October | 06:28 | 12:25 | 18:21 | 11 h 54 min | 70.6° |
| November | 06:35 | 12:26 | 18:17 | 11 h 42 min | 61.5° |
| December | 06:49 | 12:38 | 18:27 | 11 h 38 min | 58.0° |
A year of daylight in Gueckedou
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 Gueckedou
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
11°collects the most energy over a year: 1486 kWh per kWp.
0°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 | July kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° off-grid best | 1464 | 99% | 3.45 | 1.3× |
| 9° = latitude | 1485 | 100% | 3.32 | 1.4× |
| 11° year-round best | 1486 | 100% | 3.29 | 1.4× |
| 15° | 1483 | 100% | 3.20 | 1.5× |
| 30° | 1423 | 96% | 2.80 | 1.8× |
| 45° | 1289 | 87% | 2.27 | 2.1× |
| 60° | 1091 | 73% | 1.67 | 2.7× |
| 70° | 935 | 63% | 1.30 | 3.2× |
| 90° | 649 | 44% | 1.07 | 2.9× |
A fixed array in Gueckedou produces the most over a year at 11°. The design month for an off-grid system is July: at 0° it makes 3.45 kWh per kWp a day, 5% more than at 11°, and costs 1% of the yearly total. Why steep panels win winter.
Off-grid solar in Gueckedou at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 11° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 11° | Mean temp. |
|---|---|---|---|---|---|
| January | 5.38 | 5.00 | 4.12 | 4.66 | 23.9 °C |
| February | 5.60 | 4.29 | 3.51 | 4.67 | 25.7 °C |
| March | 5.66 | 3.41 | 2.77 | 4.54 | 26.8 °C |
| April | 5.47 | 2.46 | 1.97 | 4.24 | 27.0 °C |
| May | 5.15 | 1.89 | 1.50 | 3.91 | 26.1 °C |
| June | 4.63 | 1.64 | 1.30 | 3.49 | 24.9 °C |
| July | 4.31 | 1.63 | 1.30 | 3.29 | 23.6 °C |
| August | 4.27 | 1.93 | 1.55 | 3.33 | 23.2 °C |
| September | 4.73 | 2.63 | 2.14 | 3.78 | 23.8 °C |
| October | 5.07 | 3.55 | 2.91 | 4.18 | 24.6 °C |
| November | 5.03 | 4.38 | 3.59 | 4.29 | 24.7 °C |
| December | 5.14 | 5.02 | 4.14 | 4.50 | 23.8 °C |
| Year | 5.03 avg | 3.15 avg | 935 kWh | 1486 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 910 Wp of panels at 70°, versus 360 Wp at 11°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Gueckedou
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.
2.0 mrow pitch at 70°
2.2 mrow pitch at 11°
How Gueckedou compares in Guinea
Against the other 46 places in Guinea with climate data, for a fixed array at its best angle.
44thof 47 places in Guinea for sunshine, shared: 5.03 peak sun hours a day on flat ground.
−7%solar energy a year compared with the average place in Guinea: 1,486 against 1,594 kWh per kWp.
−3 mindaylight on the longest day, compared with Conakry: 12 h 37 min against 12 h 41 min.
11°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); Gueckedou ranks joint 44th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.30 kWh a day here, against 1.35 kWh on average in Guinea. The shortest day lasts 11 h 38 min, +3 min compared with Conakry.
Solar forecast for Gueckedou, 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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A free, live card for Gueckedou: 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.