Solarposition.org

Central Department · Paraguay · 25.21° S · 57.53° W

Solar position in Mariano Roque Alonso

Sun position, daylight and the best solar panel angle for Mariano Roque Alonso — computed for 25.21° S, 57.53° W, 80 m above sea level.

Sunrise today06:07103° ESE
Sunset today19:01256° WSW
Best panel angle22°year-round, facing north
Off-grid angle50°best for the darkest month

The sun right now

Azimuth180.0°
Elevation76.7°
At solar noon, 12:34Open on the sun map

Sun in Mariano Roque Alonso today

Saturday, 24 October 2026 · local time UTC−3

EventTimeDirection / height
Astronomical dawn04:48sun 18° below horizon
Nautical dawn05:1612° below
Civil dawn05:446° below
Sunrise06:07103° ESE
Golden hour ends06:38sun 6° up
Solar noon12:3476.7° high
Golden hour starts18:30sun 6° up
Sunset19:01256° WSW
Civil dusk19:246° below
Nautical dusk19:5212° below
Astronomical dusk20:2118° below
Day length12 h 53 min

Sun path diagram for Mariano Roque Alonso

Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.

15°30°45°60°75°N30°60°E120°150°S210°240°W300°330°June solstice89101112131415161718EquinoxDecember solstice78910111213141516171819Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 41.4° at solar noon in Mariano Roque Alonso; on the December solstice only 88.2°. 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.

MonthSunriseSolar noonSunsetDay lengthNoon elevation
January06:1813:0119:4413 h 26 min84.6°
February06:3913:0319:2712 h 47 min75.2°
March06:5412:5718:5912 h 06 min64.4°
April07:0712:4818:2911 h 21 min52.8°
May07:2212:4618:1010 h 48 min44.5°
June07:3412:5118:0910 h 34 min41.4°
July07:3212:5618:2010 h 47 min44.4°
August07:1212:5318:3411 h 22 min52.8°
September06:4012:4318:4512 h 05 min64.3°
October06:1012:3418:5912 h 49 min75.6°
November05:5212:3619:1913 h 27 min84.8°
December05:5612:4819:3913 h 43 min88.2°

A year of daylight in Mariano Roque Alonso

Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.

00:0003:0006:0009:0012:0015:0018:0021:0000:00JanFebMarAprMayJunJulAugSepOctNovDec

Best solar panel angle in Mariano Roque Alonso

Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.

22°collects the most energy over a year: 1536 kWh per kWp.

50°gives the most in the darkest month — the one an off-grid system is sized for.

30%40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 22°Best worst-month 50°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearJune kWh/kWp/dayBest ÷ worst month
0°143994%2.282.4×
15°152599%2.811.8×
22° year-round best1536100%3.001.6×
25° = latitude1534100%3.071.6×
30°152399%3.171.5×
45°143393%3.341.3×
50° off-grid best138490%3.361.3×
60°126182%3.311.5×
70°110972%3.181.8×
90°75849%2.672.8×

A fixed array in Mariano Roque Alonso produces the most over a year at 22°. The design month for an off-grid system is June: at 50° it makes 3.36 kWh per kWp a day, 12% more than at 22°, and costs 10% of the yearly total. Why steep panels win winter.

Off-grid solar in Mariano Roque Alonso at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 22° (year-round best).

0123456January: 2.27 (70°)2.3JanFebruary: 2.76 (70°)2.8FebMarch: 3.31 (70°)3.3MarApril: 3.74 (70°)3.7AprMay: 3.50 (70°)3.5MayJune: 3.18 (70°)3.2JunJuly: 3.60 (70°)3.6JulAugust: 3.65 (70°)3.7AugSeptember: 3.24 (70°)3.2SepOctober: 2.79 (70°)2.8OctNovember: 2.31 (70°)2.3NovDecember: 2.11 (70°)2.1Dec22°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 22°Mean temp.
January6.722.852.274.9128.6 °C
February6.183.432.764.8128.2 °C
March5.444.083.314.6026.9 °C
April4.474.543.744.2123.8 °C
May3.364.163.503.4519.0 °C
June2.843.763.183.0017.3 °C
July3.214.243.603.4216.6 °C
August3.934.343.653.8918.7 °C
September4.613.903.244.1221.5 °C
October5.483.422.794.4424.9 °C
November6.412.862.314.8025.7 °C
December6.752.642.114.8727.4 °C
Year4.94 avg3.69 avg1109 kWh1536 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 390 Wp at 22°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Mariano Roque Alonso

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°

2.8 mrow pitch at 22°

Row spacing calculator

How Mariano Roque Alonso compares in Paraguay

Against the other 29 places in Paraguay with climate data, for a fixed array at its best angle.

15thof 30 places in Paraguay for sunshine, shared: 4.94 peak sun hours a day on flat ground.

±0%solar energy a year compared with the average place in Paraguay: 1,536 against 1,536 kWh per kWp.

±0 mindaylight on the longest day, compared with Asunción: 13 h 43 min against 13 h 43 min.

22°best year-round tilt here; across Paraguay it runs from 19° in Filadelfia to 24° in Encarnación.

Of the 30 places in Paraguay, Yby Yaú gets the most sun (5.01 peak sun hours a day) and Encarnación the least (4.82); Mariano Roque Alonso ranks joint 15th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.11 kWh a day here, against 2.09 kWh on average in Paraguay. The shortest day lasts 10 h 34 min, ±0 min compared with Asunción.

The sunniest places in Paraguay

Solar forecast for Mariano Roque Alonso, next 48 hours

Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.

Loading the latest forecast…

Questions about the sun in Mariano Roque Alonso

What is the best solar panel angle in Mariano Roque Alonso?
For a fixed array facing north, the best year-round tilt in Mariano Roque Alonso is 22°, worth about 1536 kWh per kWp a year. An off-grid system that has to get through June does better at about 50°.
What time is sunrise and sunset in Mariano Roque Alonso today?
On 24 October 2026 the sun rises at 06:07 and sets at 19:01 local time (UTC−3), giving 12 h 53 min of daylight. Solar noon is at 12:34.
How many peak sun hours does Mariano Roque Alonso get?
On a flat surface 4.9 hours a day averaged over the year, from 2.8 in June to 6.7 in December. Panels tilted at 70° receive 2.6 sun hours a day in December.
How high does the sun get in Mariano Roque Alonso?
At solar noon the sun stands 41.4° above the horizon on the June solstice and 88.2° on the December solstice.
Is Mariano Roque Alonso a good place for solar panels?
With 4.9 peak sun hours a day on flat ground, Mariano Roque Alonso ranks joint 15th of 30 places in Paraguay for sunshine. A 1 kWp array at the best angle (22°) makes about 1,536 kWh a year here, as much as the average place in Paraguay.

Places near Mariano Roque Alonso

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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.