Formosa · Argentina · 25.73° S · 59.11° W
Solar position in Pirané
Sun position, daylight and the best solar panel angle for Pirané — computed for 25.73° S, 59.11° W, 65 m above sea level.
The sun right now
Sun in Pirané today
Saturday, 24 October 2026 · local time UTC−3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:53 | sun 18° below horizon |
| Nautical dawn | 05:22 | 12° below |
| Civil dawn | 05:49 | 6° below |
| Sunrise | 06:13 | 104° ESE |
| Golden hour ends | 06:44 | sun 6° up |
| Solar noon | 12:40 | 76.2° high |
| Golden hour starts | 18:36 | sun 6° up |
| Sunset | 19:07 | 256° WSW |
| Civil dusk | 19:31 | 6° below |
| Nautical dusk | 19:59 | 12° below |
| Astronomical dusk | 20:28 | 18° below |
| Day length | 12 h 54 min | |
Sun path diagram for Pirané
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 Pirané; 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 | 06:23 | 13:07 | 19:51 | 13 h 28 min | 84.1° |
| February | 06:45 | 13:09 | 19:33 | 12 h 48 min | 74.7° |
| March | 07:00 | 13:03 | 19:06 | 12 h 06 min | 63.9° |
| April | 07:14 | 12:54 | 18:35 | 11 h 20 min | 52.3° |
| May | 07:29 | 12:52 | 18:15 | 10 h 46 min | 44.0° |
| June | 07:42 | 12:58 | 18:14 | 10 h 32 min | 40.8° |
| July | 07:40 | 13:03 | 18:25 | 10 h 46 min | 43.9° |
| August | 07:19 | 12:59 | 18:40 | 11 h 21 min | 52.3° |
| September | 06:47 | 12:49 | 18:52 | 12 h 05 min | 63.8° |
| October | 06:16 | 12:41 | 19:06 | 12 h 50 min | 75.1° |
| November | 05:57 | 12:42 | 19:26 | 13 h 29 min | 84.3° |
| December | 06:02 | 12:54 | 19:47 | 13 h 45 min | 87.7° |
A year of daylight in Pirané
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 Pirané
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
23°collects the most energy over a year: 1539 kWh per kWp.
51°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° | 1438 | 93% | 2.23 | 2.4× |
| 15° | 1528 | 99% | 2.77 | 1.9× |
| 23° year-round best | 1539 | 100% | 2.98 | 1.6× |
| 26° = latitude | 1537 | 100% | 3.05 | 1.6× |
| 30° | 1528 | 99% | 3.13 | 1.5× |
| 45° | 1440 | 94% | 3.31 | 1.3× |
| 51° off-grid best | 1382 | 90% | 3.33 | 1.3× |
| 60° | 1271 | 83% | 3.29 | 1.4× |
| 70° | 1120 | 73% | 3.16 | 1.8× |
| 90° | 767 | 50% | 2.66 | 2.9× |
A fixed array in Pirané produces the most over a year at 23°. The design month for an off-grid system is June: at 51° it makes 3.33 kWh per kWp a day, 11% more than at 23°, and costs 10% of the yearly total. Why steep panels win winter.
Off-grid solar in Pirané at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 23° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 23° | Mean temp. |
|---|---|---|---|---|---|
| January | 6.75 | 2.87 | 2.29 | 4.90 | 28.6 °C |
| February | 6.16 | 3.47 | 2.79 | 4.80 | 28.0 °C |
| March | 5.35 | 4.05 | 3.30 | 4.55 | 26.4 °C |
| April | 4.27 | 4.34 | 3.58 | 4.04 | 23.0 °C |
| May | 3.33 | 4.16 | 3.50 | 3.46 | 18.6 °C |
| June | 2.79 | 3.73 | 3.16 | 2.98 | 16.9 °C |
| July | 3.21 | 4.30 | 3.66 | 3.47 | 16.2 °C |
| August | 4.01 | 4.51 | 3.80 | 4.02 | 18.4 °C |
| September | 4.72 | 4.04 | 3.36 | 4.25 | 21.1 °C |
| October | 5.56 | 3.51 | 2.87 | 4.51 | 24.9 °C |
| November | 6.46 | 2.91 | 2.35 | 4.82 | 25.9 °C |
| December | 6.73 | 2.66 | 2.13 | 4.82 | 27.7 °C |
| Year | 4.94 avg | 3.72 avg | 1120 kWh | 1539 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 550 Wp of panels at 70°, versus 400 Wp at 23°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Pirané
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 23°
How Pirané compares in Argentina
Against the other 313 places in Argentina with climate data, for a fixed array at its best angle.
105thof 314 places in Argentina for sunshine, shared: 4.94 peak sun hours a day on flat ground.
−6%solar energy a year compared with the average place in Argentina: 1,539 against 1,639 kWh per kWp.
−44 mindaylight on the longest day, compared with Buenos Aires: 13 h 45 min against 14 h 29 min.
23°best year-round tilt here; across Argentina it runs from 21° in Tartagal to 44° in Río Gallegos.
Of the 314 places in Argentina, Belén gets the most sun (6.11 peak sun hours a day) and Ushuaia the least (2.59); Pirané ranks joint 105th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.13 kWh a day here, against 2.68 kWh on average in Argentina. The shortest day lasts 10 h 32 min, +42 min compared with Buenos Aires.
Solar forecast for Pirané, 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 Pirané
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A free, live card for Pirané: 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.