Utah · United States · 40.31° N · 112.01° W
Solar position in Eagle Mountain
Sun position, daylight and the best solar panel angle for Eagle Mountain — computed for 40.31° N, 112.01° W, 1488 m above sea level.
The sun right now
Sun in Eagle Mountain today
Saturday, 24 October 2026 · local time UTC−6
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 06:17 | sun 18° below horizon |
| Nautical dawn | 06:49 | 12° below |
| Civil dawn | 07:21 | 6° below |
| Sunrise | 07:48 | 105° ESE |
| Golden hour ends | 08:26 | sun 6° up |
| Solar noon | 13:11 | 37.7° high |
| Golden hour starts | 17:57 | sun 6° up |
| Sunset | 18:34 | 255° WSW |
| Civil dusk | 19:02 | 6° below |
| Nautical dusk | 19:34 | 12° below |
| Astronomical dusk | 20:06 | 18° below |
| Day length | 10 h 46 min | |
Sun path diagram for Eagle Mountain
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 73.1° at solar noon in Eagle Mountain; on the December solstice only 26.3°. Sunrise swings from 58° ENE in June to 121° ESE in December — a 63° 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 | 07:45 | 12:39 | 17:33 | 9 h 48 min | 29.9° |
| February | 07:13 | 12:41 | 18:10 | 10 h 58 min | 39.4° |
| March | 07:29 | 13:35 | 19:41 | 12 h 12 min | 50.2° |
| April | 06:40 | 13:26 | 20:13 | 13 h 33 min | 61.8° |
| May | 06:06 | 13:24 | 20:43 | 14 h 36 min | 70.0° |
| June | 05:58 | 13:29 | 21:01 | 15 h 03 min | 73.1° |
| July | 06:15 | 13:34 | 20:52 | 14 h 37 min | 70.0° |
| August | 06:45 | 13:30 | 20:16 | 13 h 31 min | 61.6° |
| September | 07:14 | 13:20 | 19:26 | 12 h 12 min | 50.2° |
| October | 07:45 | 13:12 | 18:39 | 10 h 54 min | 38.8° |
| November | 07:20 | 12:13 | 17:06 | 9 h 46 min | 29.7° |
| December | 07:47 | 12:26 | 17:05 | 9 h 18 min | 26.3° |
A year of daylight in Eagle Mountain
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 Eagle Mountain
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
35°collects the most energy over a year: 1725 kWh per kWp.
69°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 | December kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1460 | 85% | 1.55 | 4.1× |
| 15° | 1637 | 95% | 2.24 | 2.8× |
| 30° | 1720 | 100% | 2.81 | 2.1× |
| 35° year-round best | 1725 | 100% | 2.97 | 1.9× |
| 40° = latitude | 1720 | 100% | 3.11 | 1.8× |
| 45° | 1703 | 99% | 3.23 | 1.7× |
| 60° | 1589 | 92% | 3.47 | 1.5× |
| 69° off-grid best | 1477 | 86% | 3.52 | 1.4× |
| 70° | 1463 | 85% | 3.52 | 1.4× |
| 90° | 1113 | 65% | 3.37 | 2.2× |
A fixed array in Eagle Mountain produces the most over a year at 35°. The design month for an off-grid system is December: at 69° it makes 3.52 kWh per kWp a day, 19% more than at 35°, and costs 14% of the yearly total. Why steep panels win winter.
Off-grid solar in Eagle Mountain at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 35° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 35° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 2.24 | 4.32 | 3.97 | 3.41 | -3.9 °C |
| February snow | 3.16 | 4.62 | 4.21 | 4.06 | -1.8 °C |
| March | 4.50 | 4.89 | 4.37 | 4.87 | 3.0 °C |
| April | 5.71 | 4.62 | 4.06 | 5.26 | 6.7 °C |
| May | 6.73 | 4.23 | 3.63 | 5.43 | 12.4 °C |
| June | 7.84 | 4.14 | 3.47 | 5.74 | 18.9 °C |
| July | 7.46 | 4.22 | 3.46 | 5.51 | 24.2 °C |
| August | 6.59 | 4.76 | 3.93 | 5.47 | 22.6 °C |
| September | 5.45 | 5.53 | 4.68 | 5.47 | 17.1 °C |
| October | 3.88 | 5.43 | 4.74 | 4.79 | 9.0 °C |
| November | 2.53 | 4.55 | 4.08 | 3.72 | 2.2 °C |
| December snow | 1.87 | 3.84 | 3.52 | 2.97 | -3.9 °C |
| Year | 4.84 avg | 4.60 avg | 1463 kWh | 1725 kWh |
Sizing example. To run a 1 kWh-per-day load through July on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 340 Wp of panels at 70°, versus 400 Wp at 35°. The steep array is 14% smaller for the same winter. Size your own system.
Row spacing in Eagle Mountain
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.
5.1 mrow pitch at 70°
4.3 mrow pitch at 35°
How Eagle Mountain 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.
810thof 3,121 places in the United States for sunshine, shared: 4.84 peak sun hours a day on flat ground.
+14%solar energy a year compared with the average place in the United States: 1,725 against 1,515 kWh per kWp.
−3 mindaylight on the longest day, compared with New York City: 15 h 03 min against 15 h 06 min.
35°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); Eagle Mountain ranks joint 810th. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 3.46 kWh a day here, against 2.55 kWh on average in the United States. The shortest day lasts 9 h 18 min, +3 min compared with New York City.
Solar forecast for Eagle Mountain, 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 Eagle Mountain
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Places near Eagle Mountain
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A free, live card for Eagle Mountain: 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.