Bissau · Guinea-Bissau · 11.87° N · 15.63° W
Solar position in Quelele
Sun position, daylight and the best solar panel angle for Quelele — computed for 11.87° N, 15.63° W, 39 m above sea level.
The sun right now
Sun in Quelele today
Saturday, 24 October 2026 · local time UTC
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:42 | sun 18° below horizon |
| Nautical dawn | 06:06 | 12° below |
| Civil dawn | 06:31 | 6° below |
| Sunrise | 06:53 | 102° ESE |
| Golden hour ends | 07:21 | sun 6° up |
| Solar noon | 12:46 | 66.3° high |
| Golden hour starts | 18:11 | sun 6° up |
| Sunset | 18:39 | 258° WSW |
| Civil dusk | 19:01 | 6° below |
| Nautical dusk | 19:26 | 12° below |
| Astronomical dusk | 19:51 | 18° below |
| Day length | 11 h 47 min | |
Sun path diagram for Quelele
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 78.4° at solar noon in Quelele; on the December solstice only 54.7°. 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.
| Month | Sunrise | Solar noon | Sunset | Day length | Noon elevation |
|---|---|---|---|---|---|
| January | 07:27 | 13:13 | 19:00 | 11 h 33 min | 58.3° |
| February | 07:21 | 13:16 | 19:10 | 11 h 49 min | 67.7° |
| March | 07:06 | 13:09 | 19:13 | 12 h 07 min | 78.5° |
| April | 06:47 | 13:01 | 19:14 | 12 h 27 min | 89.9° |
| May | 06:37 | 12:59 | 19:20 | 12 h 43 min | 81.6° |
| June | 06:39 | 13:04 | 19:29 | 12 h 49 min | 78.4° |
| July | 06:47 | 13:09 | 19:30 | 12 h 43 min | 81.5° |
| August | 06:51 | 13:05 | 19:19 | 12 h 27 min | 89.9° |
| September | 06:51 | 12:55 | 18:59 | 12 h 08 min | 78.7° |
| October | 06:52 | 12:47 | 18:41 | 11 h 48 min | 67.3° |
| November | 07:02 | 12:48 | 18:34 | 11 h 32 min | 58.2° |
| December | 07:17 | 13:00 | 18:43 | 11 h 26 min | 54.7° |
A year of daylight in Quelele
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 Quelele
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: 1638 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 | 1603 | 98% | 3.78 | 1.4× |
| 12° = latitude | 1638 | 100% | 3.59 | 1.5× |
| 13° year-round best | 1638 | 100% | 3.57 | 1.5× |
| 15° | 1637 | 100% | 3.53 | 1.5× |
| 30° | 1582 | 97% | 3.10 | 1.7× |
| 45° | 1440 | 88% | 2.53 | 2.0× |
| 60° | 1222 | 75% | 1.85 | 2.6× |
| 70° | 1047 | 64% | 1.42 | 3.2× |
| 90° | 715 | 44% | 1.09 | 3.2× |
A fixed array in Quelele produces the most over a year at 13°. The design month for an off-grid system is July: at 0° it makes 3.78 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 Quelele at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 13° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 13° | Mean temp. |
|---|---|---|---|---|---|
| January | 5.37 | 5.38 | 4.43 | 4.79 | 24.2 °C |
| February | 5.96 | 4.90 | 4.01 | 5.07 | 26.1 °C |
| March | 6.61 | 4.17 | 3.38 | 5.35 | 27.9 °C |
| April | 6.76 | 2.98 | 2.38 | 5.19 | 28.9 °C |
| May | 6.37 | 2.12 | 1.67 | 4.72 | 29.3 °C |
| June | 5.49 | 1.83 | 1.43 | 4.05 | 28.2 °C |
| July | 4.77 | 1.80 | 1.42 | 3.57 | 26.7 °C |
| August | 4.65 | 2.13 | 1.69 | 3.58 | 26.3 °C |
| September | 4.94 | 2.87 | 2.32 | 3.94 | 26.5 °C |
| October | 5.32 | 3.95 | 3.21 | 4.40 | 27.2 °C |
| November | 5.27 | 4.97 | 4.05 | 4.59 | 26.7 °C |
| December | 5.16 | 5.46 | 4.49 | 4.65 | 24.5 °C |
| Year | 5.55 avg | 3.54 avg | 1047 kWh | 1638 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 830 Wp of panels at 70°, versus 330 Wp at 13°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Quelele
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.
2.2 mrow pitch at 70°
2.3 mrow pitch at 13°
How Quelele compares in Guinea-Bissau
Against the other 8 places in Guinea-Bissau with climate data, for a fixed array at its best angle.
6thof 9 places in Guinea-Bissau for sunshine, shared: 5.55 peak sun hours a day on flat ground.
±0%solar energy a year compared with the average place in Guinea-Bissau: 1,638 against 1,643 kWh per kWp.
±0 mindaylight on the longest day, compared with Bissau: 12 h 49 min against 12 h 49 min.
13°best year-round tilt here, the same everywhere in Guinea-Bissau.
Of the 9 places in Guinea-Bissau, Gabú gets the most sun (5.67 peak sun hours a day) and Xitole and 3 other places the least (5.55); Quelele ranks joint 6th. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 1.42 kWh a day here, against 1.43 kWh on average in Guinea-Bissau. The shortest day lasts 11 h 26 min, ±0 min compared with Bissau.
Solar forecast for Quelele, 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 Quelele
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Places near Quelele
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A free, live card for Quelele: 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.