Maule Region · Chile · 35.96° S · 71.68° W
Solar position in Longaví
Sun position, daylight and the best solar panel angle for Longaví — computed for 35.96° S, 71.68° W, 153 m above sea level.
The sun right now
Sun in Longaví today
Saturday, 24 October 2026 · local time UTC−3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:19 | sun 18° below horizon |
| Nautical dawn | 05:53 | 12° below |
| Civil dawn | 06:25 | 6° below |
| Sunrise | 06:51 | 105° ESE |
| Golden hour ends | 07:26 | sun 6° up |
| Solar noon | 13:31 | 66.0° high |
| Golden hour starts | 19:35 | sun 6° up |
| Sunset | 20:10 | 254° WSW |
| Civil dusk | 20:37 | 6° below |
| Nautical dusk | 21:09 | 12° below |
| Astronomical dusk | 21:42 | 18° below |
| Day length | 13 h 19 min | |
Sun path diagram for Longaví
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 30.6° at solar noon in Longaví; on the December solstice only 77.5°. Sunrise swings from 61° ENE in June to 120° ESE in December — a 59° 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 | 06:52 | 13:58 | 21:02 | 14 h 10 min | 73.8° |
| February | 07:25 | 14:00 | 20:34 | 13 h 09 min | 64.4° |
| March | 07:50 | 13:53 | 19:56 | 12 h 06 min | 53.6° |
| April | 07:16 | 12:45 | 18:13 | 10 h 57 min | 42.0° |
| May | 07:40 | 12:43 | 17:45 | 10 h 05 min | 33.8° |
| June | 07:57 | 12:48 | 17:40 | 9 h 43 min | 30.6° |
| July | 07:51 | 12:53 | 17:55 | 10 h 04 min | 33.7° |
| August | 07:21 | 12:50 | 18:18 | 10 h 58 min | 42.1° |
| September | 07:37 | 13:39 | 19:42 | 12 h 05 min | 53.5° |
| October | 06:55 | 13:31 | 20:07 | 13 h 12 min | 64.9° |
| November | 06:26 | 13:32 | 20:38 | 14 h 12 min | 74.1° |
| December | 06:26 | 13:44 | 21:03 | 14 h 36 min | 77.5° |
A year of daylight in Longaví
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 Longaví
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
29°collects the most energy over a year: 1725 kWh per kWp.
60°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° | 1540 | 89% | 1.51 | 4.6× |
| 15° | 1683 | 98% | 2.05 | 3.4× |
| 29° year-round best | 1725 | 100% | 2.43 | 2.7× |
| 30° | 1724 | 100% | 2.45 | 2.6× |
| 36° = latitude | 1713 | 99% | 2.57 | 2.4× |
| 45° | 1664 | 96% | 2.71 | 2.2× |
| 60° off-grid best | 1506 | 87% | 2.79 | 1.9× |
| 70° | 1351 | 78% | 2.75 | 1.7× |
| 90° | 955 | 55% | 2.45 | 2.4× |
A fixed array in Longaví produces the most over a year at 29°. The design month for an off-grid system is June: at 60° it makes 2.79 kWh per kWp a day, 15% more than at 29°, and costs 13% of the yearly total. Why steep panels win winter.
Off-grid solar in Longaví at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 29° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 29° | Mean temp. |
|---|---|---|---|---|---|
| January | 8.57 | 4.28 | 3.56 | 6.44 | 20.4 °C |
| February | 7.56 | 5.14 | 4.29 | 6.35 | 19.9 °C |
| March | 5.95 | 5.71 | 4.81 | 5.78 | 17.6 °C |
| April | 4.05 | 5.32 | 4.57 | 4.60 | 13.7 °C |
| May | 2.44 | 3.75 | 3.26 | 3.00 | 10.5 °C |
| June | 1.88 | 3.14 | 2.75 | 2.43 | 7.8 °C |
| July | 2.10 | 3.35 | 2.94 | 2.66 | 7.0 °C |
| August | 2.93 | 3.92 | 3.44 | 3.39 | 7.8 °C |
| September | 4.42 | 4.61 | 4.02 | 4.54 | 9.7 °C |
| October | 5.83 | 4.53 | 3.91 | 5.28 | 11.8 °C |
| November | 7.57 | 4.27 | 3.63 | 6.06 | 15.1 °C |
| December | 8.48 | 3.95 | 3.31 | 6.29 | 18.2 °C |
| Year | 5.14 avg | 4.32 avg | 1351 kWh | 1725 kWh |
Sizing example. To run a 1 kWh-per-day load through June on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 430 Wp of panels at 70°, versus 490 Wp at 29°. The steep array is 12% smaller for the same winter. Size your own system.
Row spacing in Longaví
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.
4.3 mrow pitch at 70°
3.6 mrow pitch at 29°
How Longaví compares in Chile
Against the other 138 places in Chile with climate data, for a fixed array at its best angle.
62ndof 139 places in Chile for sunshine, shared: 5.14 peak sun hours a day on flat ground.
+3%solar energy a year compared with the average place in Chile: 1,725 against 1,668 kWh per kWp.
+14 mindaylight on the longest day, compared with Santiago: 14 h 36 min against 14 h 23 min.
29°best year-round tilt here; across Chile it runs from 16° in Arica to 43° in Punta Arenas.
Of the 139 places in Chile, Calama gets the most sun (7.19 peak sun hours a day) and Puerto Natales the least (2.73); Longaví ranks joint 62nd. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 2.75 kWh a day here, against 2.61 kWh on average in Chile. The shortest day lasts 9 h 43 min, −13 min compared with Santiago.
Solar forecast for Longaví, 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 Longaví
What is the best solar panel angle in Longaví?
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Places near Longaví
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A free, live card for Longaví: 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.