Ñuble · Chile · 36.49° S · 72.70° W
Solar position in Coelemu
Sun position, daylight and the best solar panel angle for Coelemu — computed for 36.49° S, 72.70° W, 37 m above sea level.
The sun right now
Sun in Coelemu today
Saturday, 24 October 2026 · local time UTC−3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:22 | sun 18° below horizon |
| Nautical dawn | 05:55 | 12° below |
| Civil dawn | 06:28 | 6° below |
| Sunrise | 06:55 | 105° ESE |
| Golden hour ends | 07:29 | sun 6° up |
| Solar noon | 13:35 | 65.4° high |
| Golden hour starts | 19:40 | sun 6° up |
| Sunset | 20:15 | 254° WSW |
| Civil dusk | 20:42 | 6° below |
| Nautical dusk | 21:14 | 12° below |
| Astronomical dusk | 21:48 | 18° below |
| Day length | 13 h 20 min | |
Sun path diagram for Coelemu
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 30.1° at solar noon in Coelemu; on the December solstice only 77.0°. 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 | 06:55 | 14:02 | 21:08 | 14 h 13 min | 73.3° |
| February | 07:28 | 14:04 | 20:39 | 13 h 11 min | 63.9° |
| March | 07:54 | 13:57 | 20:00 | 12 h 06 min | 53.1° |
| April | 07:21 | 12:49 | 18:17 | 10 h 56 min | 41.5° |
| May | 07:46 | 12:47 | 17:48 | 10 h 02 min | 33.3° |
| June | 08:02 | 12:52 | 17:42 | 9 h 40 min | 30.1° |
| July | 07:56 | 12:57 | 17:58 | 10 h 02 min | 33.2° |
| August | 07:25 | 12:54 | 18:22 | 10 h 56 min | 41.6° |
| September | 07:41 | 13:44 | 19:46 | 12 h 05 min | 53.0° |
| October | 06:58 | 13:35 | 20:12 | 13 h 14 min | 64.4° |
| November | 06:29 | 13:36 | 20:44 | 14 h 14 min | 73.5° |
| December | 06:29 | 13:48 | 21:08 | 14 h 39 min | 77.0° |
A year of daylight in Coelemu
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 Coelemu
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
30°collects the most energy over a year: 1726 kWh per kWp.
61°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° | 1528 | 89% | 1.49 | 4.6× |
| 15° | 1678 | 97% | 2.04 | 3.3× |
| 30° year-round best | 1726 | 100% | 2.47 | 2.6× |
| 36° = latitude | 1716 | 99% | 2.60 | 2.3× |
| 45° | 1671 | 97% | 2.74 | 2.1× |
| 60° | 1518 | 88% | 2.84 | 1.8× |
| 61° off-grid best | 1504 | 87% | 2.84 | 1.8× |
| 70° | 1366 | 79% | 2.81 | 1.7× |
| 90° | 972 | 56% | 2.51 | 2.3× |
A fixed array in Coelemu produces the most over a year at 30°. The design month for an off-grid system is June: at 61° it makes 2.84 kWh per kWp a day, 15% more than at 30°, and costs 13% of the yearly total. Why steep panels win winter.
Off-grid solar in Coelemu at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 30° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 30° | Mean temp. |
|---|---|---|---|---|---|
| January | 8.39 | 4.27 | 3.56 | 6.32 | 19.6 °C |
| February | 7.31 | 5.04 | 4.22 | 6.17 | 19.3 °C |
| March | 5.76 | 5.57 | 4.71 | 5.63 | 17.2 °C |
| April | 3.92 | 5.17 | 4.44 | 4.48 | 13.6 °C |
| May | 2.40 | 3.74 | 3.24 | 3.00 | 10.9 °C |
| June | 1.86 | 3.22 | 2.81 | 2.47 | 9.0 °C |
| July | 2.12 | 3.52 | 3.08 | 2.76 | 8.1 °C |
| August | 2.99 | 4.12 | 3.61 | 3.53 | 8.7 °C |
| September | 4.55 | 4.86 | 4.23 | 4.75 | 10.0 °C |
| October | 5.99 | 4.69 | 4.05 | 5.45 | 11.8 °C |
| November | 7.60 | 4.31 | 3.67 | 6.07 | 14.6 °C |
| December | 8.37 | 3.96 | 3.33 | 6.20 | 17.4 °C |
| Year | 5.09 avg | 4.37 avg | 1366 kWh | 1726 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 420 Wp of panels at 70°, versus 480 Wp at 30°. The steep array is 12% smaller for the same winter. Size your own system.
Row spacing in Coelemu
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.
4.4 mrow pitch at 70°
3.7 mrow pitch at 30°
How Coelemu compares in Chile
Against the other 138 places in Chile with climate data, for a fixed array at its best angle.
72ndof 139 places in Chile for sunshine, shared: 5.09 peak sun hours a day on flat ground.
+4%solar energy a year compared with the average place in Chile: 1,726 against 1,668 kWh per kWp.
+17 mindaylight on the longest day, compared with Santiago: 14 h 39 min against 14 h 23 min.
30°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); Coelemu ranks joint 72nd. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 2.81 kWh a day here, against 2.61 kWh on average in Chile. The shortest day lasts 9 h 40 min, −16 min compared with Santiago.
Solar forecast for Coelemu, 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 Coelemu
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Places near Coelemu
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A free, live card for Coelemu: 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.