Paraná · Brazil · 25.73° S · 53.06° W
Solar position in Dois Vizinhos
Sun position, daylight and the best solar panel angle for Dois Vizinhos — computed for 25.73° S, 53.06° W, 562 m above sea level.
The sun right now
Sun in Dois Vizinhos today
Saturday, 24 October 2026 · local time UTC−3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:29 | sun 18° below horizon |
| Nautical dawn | 04:57 | 12° below |
| Civil dawn | 05:25 | 6° below |
| Sunrise | 05:49 | 104° ESE |
| Golden hour ends | 06:20 | sun 6° up |
| Solar noon | 12:16 | 76.2° high |
| Golden hour starts | 18:12 | sun 6° up |
| Sunset | 18:43 | 256° WSW |
| Civil dusk | 19:07 | 6° below |
| Nautical dusk | 19:35 | 12° below |
| Astronomical dusk | 20:04 | 18° below |
| Day length | 12 h 54 min | |
Sun path diagram for Dois Vizinhos
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 40.8° at solar noon in Dois Vizinhos; on the December solstice only 87.7°. Sunrise swings from 64° ENE in June to 117° ESE in December — a 52° 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 | 05:59 | 12:43 | 19:27 | 13 h 28 min | 84.1° |
| February | 06:21 | 12:45 | 19:09 | 12 h 48 min | 74.7° |
| March | 06:36 | 12:39 | 18:41 | 12 h 06 min | 63.9° |
| April | 06:50 | 12:30 | 18:10 | 11 h 20 min | 52.3° |
| May | 07:05 | 12:28 | 17:51 | 10 h 46 min | 44.0° |
| June | 07:18 | 12:34 | 17:49 | 10 h 32 min | 40.8° |
| July | 07:16 | 12:38 | 18:01 | 10 h 45 min | 43.9° |
| August | 06:55 | 12:35 | 18:15 | 11 h 21 min | 52.3° |
| September | 06:22 | 12:25 | 18:28 | 12 h 05 min | 63.7° |
| October | 05:52 | 12:16 | 18:41 | 12 h 50 min | 75.1° |
| November | 05:33 | 12:18 | 19:02 | 13 h 29 min | 84.3° |
| December | 05:37 | 12:30 | 19:22 | 13 h 45 min | 87.7° |
A year of daylight in Dois Vizinhos
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 Dois Vizinhos
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
24°collects the most energy over a year: 1552 kWh per kWp.
44°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 | June kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1435 | 92% | 2.40 | 2.1× |
| 15° | 1535 | 99% | 3.03 | 1.6× |
| 24° year-round best | 1552 | 100% | 3.31 | 1.4× |
| 26° = latitude | 1551 | 100% | 3.37 | 1.4× |
| 30° | 1545 | 100% | 3.46 | 1.3× |
| 44° off-grid best | 1473 | 95% | 3.68 | 1.2× |
| 45° | 1465 | 94% | 3.68 | 1.2× |
| 60° | 1303 | 84% | 3.68 | 1.5× |
| 70° | 1154 | 74% | 3.55 | 1.9× |
| 90° | 803 | 52% | 3.00 | 2.9× |
A fixed array in Dois Vizinhos produces the most over a year at 24°. The design month for an off-grid system is June: at 44° it makes 3.68 kWh per kWp a day, 11% more than at 24°, and costs 5% of the yearly total. Why steep panels win winter.
Off-grid solar in Dois Vizinhos at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 24° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 24° | Mean temp. |
|---|---|---|---|---|---|
| January | 6.31 | 2.80 | 2.28 | 4.67 | 23.8 °C |
| February | 5.89 | 3.35 | 2.75 | 4.65 | 23.7 °C |
| March | 5.40 | 4.09 | 3.37 | 4.65 | 22.8 °C |
| April | 4.51 | 4.65 | 3.89 | 4.37 | 20.4 °C |
| May | 3.39 | 4.27 | 3.63 | 3.60 | 16.4 °C |
| June | 2.97 | 4.15 | 3.55 | 3.31 | 15.0 °C |
| July | 3.29 | 4.51 | 3.86 | 3.66 | 14.5 °C |
| August | 4.10 | 4.71 | 4.01 | 4.22 | 16.2 °C |
| September | 4.65 | 4.00 | 3.36 | 4.26 | 18.5 °C |
| October | 5.23 | 3.32 | 2.75 | 4.30 | 21.0 °C |
| November | 6.29 | 2.90 | 2.38 | 4.75 | 21.9 °C |
| December | 6.37 | 2.61 | 2.11 | 4.63 | 23.4 °C |
| Year | 4.86 avg | 3.78 avg | 1154 kWh | 1552 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 560 Wp of panels at 70°, versus 360 Wp at 24°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Dois Vizinhos
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.
3.1 mrow pitch at 70°
2.9 mrow pitch at 24°
How Dois Vizinhos compares in Brazil
Against the other 2,263 places in Brazil with climate data, for a fixed array at its best angle.
1710thof 2,264 places in Brazil for sunshine, shared: 4.86 peak sun hours a day on flat ground.
−2%solar energy a year compared with the average place in Brazil: 1,552 against 1,581 kWh per kWp.
+10 mindaylight on the longest day, compared with São Paulo: 13 h 45 min against 13 h 35 min.
24°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); Dois Vizinhos ranks joint 1710th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.12 kWh a day here, against 1.56 kWh on average in Brazil. The shortest day lasts 10 h 32 min, −9 min compared with São Paulo.
Solar forecast for Dois Vizinhos, 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 Dois Vizinhos
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A free, live card for Dois Vizinhos: 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.