Acre · Brazil · 8.17° S · 70.35° W
Solar position in Feijó
Sun position, daylight and the best solar panel angle for Feijó — computed for 8.17° S, 70.35° W, 160 m above sea level.
The sun right now
Sun in Feijó today
Saturday, 24 October 2026 · local time UTC−5
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:03 | sun 18° below horizon |
| Nautical dawn | 04:29 | 12° below |
| Civil dawn | 04:53 | 6° below |
| Sunrise | 05:15 | 102° ESE |
| Golden hour ends | 05:43 | sun 6° up |
| Solar noon | 11:25 | 86.2° high |
| Golden hour starts | 17:07 | sun 6° up |
| Sunset | 17:35 | 258° WSW |
| Civil dusk | 17:57 | 6° below |
| Nautical dusk | 18:22 | 12° below |
| Astronomical dusk | 18:47 | 18° below |
| Day length | 12 h 21 min | |
Sun path diagram for Feijó
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 58.4° at solar noon in Feijó; on the December solstice only 74.7°. 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 | 05:37 | 11:52 | 18:08 | 12 h 31 min | 78.4° |
| February | 05:45 | 11:54 | 18:04 | 12 h 19 min | 87.8° |
| March | 05:45 | 11:48 | 17:51 | 12 h 06 min | 81.4° |
| April | 05:43 | 11:39 | 17:36 | 11 h 53 min | 69.8° |
| May | 05:46 | 11:37 | 17:29 | 11 h 43 min | 61.6° |
| June | 05:53 | 11:43 | 17:32 | 11 h 39 min | 58.4° |
| July | 05:56 | 11:47 | 17:39 | 11 h 43 min | 61.5° |
| August | 05:48 | 11:44 | 17:40 | 11 h 53 min | 69.9° |
| September | 05:31 | 11:34 | 17:37 | 12 h 06 min | 81.3° |
| October | 05:16 | 11:26 | 17:35 | 12 h 19 min | 87.3° |
| November | 05:11 | 11:27 | 17:42 | 12 h 31 min | 78.2° |
| December | 05:21 | 11:39 | 17:57 | 12 h 36 min | 74.7° |
A year of daylight in Feijó
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 Feijó
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
11°collects the most energy over a year: 1377 kWh per kWp.
4°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 | December kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1359 | 99% | 3.64 | 1.2× |
| 4° off-grid best | 1370 | 99% | 3.57 | 1.2× |
| 8° = latitude | 1376 | 100% | 3.50 | 1.2× |
| 11° year-round best | 1377 | 100% | 3.44 | 1.2× |
| 15° | 1374 | 100% | 3.34 | 1.3× |
| 30° | 1316 | 96% | 2.87 | 1.5× |
| 45° | 1188 | 86% | 2.28 | 1.9× |
| 60° | 1000 | 73% | 1.62 | 2.5× |
| 70° | 854 | 62% | 1.25 | 3.0× |
| 90° | 590 | 43% | 1.07 | 2.6× |
A fixed array in Feijó produces the most over a year at 11°. The design month for an off-grid system is December: at 4° it makes 3.57 kWh per kWp a day, 4% more than at 11°, and costs 1% of the yearly total. Why steep panels win winter.
Off-grid solar in Feijó 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 | 4.59 | 1.65 | 1.30 | 3.48 | 25.0 °C |
| February | 4.47 | 2.02 | 1.61 | 3.47 | 25.1 °C |
| March | 4.50 | 2.54 | 2.06 | 3.59 | 25.0 °C |
| April | 4.55 | 3.25 | 2.65 | 3.75 | 24.8 °C |
| May | 4.34 | 3.74 | 3.07 | 3.69 | 24.4 °C |
| June | 4.38 | 4.23 | 3.48 | 3.82 | 24.1 °C |
| July | 4.77 | 4.53 | 3.72 | 4.16 | 24.4 °C |
| August | 5.01 | 3.95 | 3.22 | 4.20 | 26.1 °C |
| September | 5.02 | 3.04 | 2.45 | 4.03 | 27.2 °C |
| October | 5.07 | 2.29 | 1.83 | 3.94 | 26.9 °C |
| November | 4.87 | 1.75 | 1.38 | 3.69 | 26.0 °C |
| December | 4.57 | 1.58 | 1.25 | 3.44 | 25.2 °C |
| Year | 4.68 avg | 2.89 avg | 854 kWh | 1377 kWh |
Sizing example. To run a 1 kWh-per-day load through December on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 950 Wp of panels at 70°, versus 340 Wp at 11°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Feijó
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 Feijó compares in Brazil
Against the other 2,263 places in Brazil with climate data, for a fixed array at its best angle.
1962ndof 2,264 places in Brazil for sunshine, shared: 4.68 peak sun hours a day on flat ground.
−13%solar energy a year compared with the average place in Brazil: 1,377 against 1,581 kWh per kWp.
−59 mindaylight on the longest day, compared with São Paulo: 12 h 36 min against 13 h 35 min.
11°best year-round tilt here; across Brazil it runs from 0° in Macapá to 28° in Santa Vitória do Palmar.
Of the 2,264 places in Brazil, Catolé do Rocha gets the most sun (6.16 peak sun hours a day) and Paranaguá the least (4.01); Feijó ranks joint 1962nd. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.25 kWh a day here, against 1.56 kWh on average in Brazil. The shortest day lasts 11 h 39 min, +58 min compared with São Paulo.
Solar forecast for Feijó, 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 Feijó
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Places near Feijó
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A free, live card for Feijó: 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.