Solarposition.org

California · United States · 32.76° N · 116.97° W

Solar position in Casa de Oro-Mount Helix

Sun position, daylight and the best solar panel angle for Casa de Oro-Mount Helix — computed for 32.76° N, 116.97° W, 256 m above sea level.

Sunrise today06:59104° ESE
Sunset today18:04256° WSW
Best panel angle30°year-round, facing south
Off-grid angle45°best for the darkest month

The sun right now

Azimuth180.0°
Elevation45.3°
At solar noon, 12:31Open on the sun map

Sun in Casa de Oro-Mount Helix today

Saturday, 24 October 2026 · local time UTC−7

EventTimeDirection / height
Astronomical dawn05:36sun 18° below horizon
Nautical dawn06:0512° below
Civil dawn06:336° below
Sunrise06:59104° ESE
Golden hour ends07:32sun 6° up
Solar noon12:3145.3° high
Golden hour starts17:30sun 6° up
Sunset18:04256° WSW
Civil dusk18:296° below
Nautical dusk18:5812° below
Astronomical dusk19:2718° below
Day length11 h 05 min

Sun path diagram for Casa de Oro-Mount Helix

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 solstice678910111213141516171819EquinoxDecember solstice78910111213141516Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 80.7° at solar noon in Casa de Oro-Mount Helix; on the December solstice only 33.8°. Sunrise swings from 61° ENE in June to 118° ESE in December — a 56° 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
January06:4811:5917:1010 h 22 min37.5°
February06:2412:0117:3811 h 14 min46.9°
March06:5012:5519:0012 h 10 min57.7°
April06:1112:4619:2213 h 11 min69.3°
May05:4512:4419:4413 h 59 min77.5°
June05:4012:4919:5914 h 19 min80.7°
July05:5412:5419:5313 h 59 min77.6°
August06:1512:5019:2513 h 10 min69.1°
September06:3512:4018:4512 h 10 min57.7°
October06:5612:3218:0711 h 11 min46.3°
November06:2311:3316:4310 h 20 min37.2°
December06:4611:4616:4510 h 00 min33.8°

A year of daylight in Casa de Oro-Mount Helix

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 Casa de Oro-Mount Helix

Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.

30°collects the most energy over a year: 1843 kWh per kWp.

45°gives the most in the darkest month — the one an off-grid system is sized for.

20%30%40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 30°Best worst-month 45°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°162088%2.432.5×
15°178697%3.351.7×
30° year-round best1843100%4.041.4×
33° = latitude1841100%4.151.4×
45° off-grid best178897%4.471.2×
60°162988%4.611.4×
70°146980%4.541.8×
90°105657%4.033.3×

A fixed array in Casa de Oro-Mount Helix produces the most over a year at 30°. The design month for an off-grid system is December: at 45° it makes 4.47 kWh per kWp a day, 11% more than at 30°, and costs 3% of the yearly total. Why steep panels win winter.

Off-grid solar in Casa de Oro-Mount Helix at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 30° (year-round best).

0123456January: 4.75 (70°)4.8JanFebruary: 4.64 (70°)4.6FebMarch: 4.60 (70°)4.6MarApril: 3.93 (70°)3.9AprMay: 3.11 (70°)3.1MayJune: 2.72 (70°)2.7JunJuly: 2.82 (70°)2.8JulAugust: 3.45 (70°)3.4AugSeptember: 4.23 (70°)4.2SepOctober: 4.73 (70°)4.7OctNovember: 4.81 (70°)4.8NovDecember: 4.54 (70°)4.5Dec30°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 30°Mean temp.
January3.365.524.754.3412.6 °C
February4.205.394.644.7512.7 °C
March5.505.374.605.4314.0 °C
April6.624.623.935.7015.3 °C
May7.093.713.115.4617.4 °C
June7.363.292.725.3120.3 °C
July7.133.442.825.2123.4 °C
August6.844.203.455.4323.9 °C
September5.935.124.235.3922.8 °C
October4.725.644.735.0319.4 °C
November3.645.664.814.5115.9 °C
December3.025.274.544.0412.5 °C
Year5.46 avg4.76 avg1469 kWh1843 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 290 Wp at 30°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Casa de Oro-Mount Helix

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.

3.9 mrow pitch at 70°

3.4 mrow pitch at 30°

Row spacing calculator

How Casa de Oro-Mount Helix compares in the United States

Against the other 3,120 places in the United States with climate data, for a fixed array at its best angle.

248thof 3,121 places in the United States for sunshine, shared: 5.46 peak sun hours a day on flat ground.

+22%solar energy a year compared with the average place in the United States: 1,843 against 1,515 kWh per kWp.

−47 mindaylight on the longest day, compared with New York City: 14 h 19 min against 15 h 06 min.

30°best year-round tilt here; across the United States it runs from 18° in Honolulu to 53° in Fairbanks.

Of the 3,121 places in the United States, Fortuna Foothills and 2 other places get the most sun (5.96 peak sun hours a day) and Juneau the least (2.38); Casa de Oro-Mount Helix ranks joint 248th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 2.72 kWh a day here, against 2.55 kWh on average in the United States. The shortest day lasts 10 h 00 min, +44 min compared with New York City.

The sunniest places in the United States

Solar forecast for Casa de Oro-Mount Helix, 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 Casa de Oro-Mount Helix

What is the best solar panel angle in Casa de Oro-Mount Helix?
For a fixed array facing south, the best year-round tilt in Casa de Oro-Mount Helix is 30°, worth about 1843 kWh per kWp a year. An off-grid system that has to get through December does better at about 45°.
What time is sunrise and sunset in Casa de Oro-Mount Helix today?
On 24 October 2026 the sun rises at 06:59 and sets at 18:04 local time (UTC−7), giving 11 h 05 min of daylight. Solar noon is at 12:31.
How many peak sun hours does Casa de Oro-Mount Helix get?
On a flat surface 5.5 hours a day averaged over the year, from 3.0 in December to 7.4 in June. Panels tilted at 70° receive 3.3 sun hours a day in June.
How high does the sun get in Casa de Oro-Mount Helix?
At solar noon the sun stands 80.7° above the horizon on the June solstice and 33.8° on the December solstice.
Is Casa de Oro-Mount Helix a good place for solar panels?
With 5.5 peak sun hours a day on flat ground, Casa de Oro-Mount Helix ranks joint 248th of 3,121 places in the United States for sunshine. A 1 kWp array at the best angle (30°) makes about 1,843 kWh a year here, 22% more than the average place in the United States.

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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.