Solarposition.org

New York · United States · 40.66° N · 73.71° W

Solar position in Valley Stream

Sun position, daylight and the best solar panel angle for Valley Stream — computed for 40.66° N, 73.71° W, 5 m above sea level.

Sunrise today07:16105° ESE
Sunset today18:01255° WSW
Best panel angle34°year-round, facing south
Off-grid angle63°best for the darkest month

The sun right now

Azimuth180.0°
Elevation37.4°
At solar noon, 12:38Open on the sun map

Sun in Valley Stream today

Saturday, 24 October 2026 · local time UTC−4

EventTimeDirection / height
Astronomical dawn05:44sun 18° below horizon
Nautical dawn06:1612° below
Civil dawn06:486° below
Sunrise07:16105° ESE
Golden hour ends07:53sun 6° up
Solar noon12:3837.4° high
Golden hour starts17:23sun 6° up
Sunset18:01255° WSW
Civil dusk18:296° below
Nautical dusk19:0112° below
Astronomical dusk19:3218° below
Day length10 h 45 min

Sun path diagram for Valley Stream

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 solstice67891011121314151617181920EquinoxDecember solstice8910111213141516Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 72.8° at solar noon in Valley Stream; on the December solstice only 25.9°. 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.

MonthSunriseSolar noonSunsetDay lengthNoon elevation
January07:1312:0616:599 h 46 min29.6°
February06:4012:0817:3610 h 57 min39.0°
March06:5613:0219:0812 h 12 min49.8°
April06:0712:5319:4013 h 33 min61.4°
May05:3212:5120:1014 h 38 min69.6°
June05:2312:5620:2915 h 05 min72.8°
July05:4113:0120:2014 h 39 min69.7°
August06:1112:5719:4313 h 33 min61.3°
September06:4112:4718:5312 h 12 min49.9°
October07:1212:3918:0510 h 53 min38.5°
November06:4811:4016:329 h 44 min29.3°
December07:1511:5216:309 h 16 min25.9°

A year of daylight in Valley Stream

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 Valley Stream

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

34°collects the most energy over a year: 1396 kWh per kWp.

63°gives the most in the darkest month — the one an off-grid system is sized for.

40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 34°Best worst-month 63°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°118885%1.273.9×
15°132995%1.772.8×
30°1393100%2.172.2×
34° year-round best1396100%2.262.1×
41° = latitude138899%2.381.9×
45°137699%2.441.8×
60°128092%2.551.6×
63° off-grid best125290%2.561.5×
70°117684%2.541.5×
90°89064%2.311.8×

A fixed array in Valley Stream produces the most over a year at 34°. The design month for an off-grid system is December: at 63° it makes 2.56 kWh per kWp a day, 13% more than at 34°, and costs 10% of the yearly total. Why steep panels win winter.

Off-grid solar in Valley Stream at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 34° (year-round best).

012345January: 3.02 (70°)3.0JanFebruary: 3.50 (70°)3.5FebMarch: 3.71 (70°)3.7MarApril: 3.53 (70°)3.5AprMay: 3.05 (70°)3.1MayJune: 2.91 (70°)2.9JunJuly: 3.04 (70°)3.0JulAugust: 3.27 (70°)3.3AugSeptember: 3.62 (70°)3.6SepOctober: 3.35 (70°)3.3OctNovember: 3.14 (70°)3.1NovDecember: 2.54 (70°)2.5Dec34°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 34°Mean temp.
January snow1.873.353.022.670.4 °C
February2.753.893.503.460.8 °C
March3.804.173.714.123.8 °C
April4.944.053.534.568.9 °C
May5.533.603.054.5014.2 °C
June6.063.512.914.6019.7 °C
July6.133.713.044.6723.5 °C
August5.393.983.274.4823.4 °C
September4.404.343.624.2520.1 °C
October3.003.913.353.4314.3 °C
November2.133.593.142.898.6 °C
December1.572.862.542.263.8 °C
Year3.97 avg3.75 avg1176 kWh1396 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 460 Wp of panels at 70°, versus 520 Wp at 34°. The steep array is 11% smaller for the same winter. Size your own system.

Row spacing in Valley Stream

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.

5.2 mrow pitch at 70°

4.3 mrow pitch at 34°

Row spacing calculator

How Valley Stream 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.

1989thof 3,121 places in the United States for sunshine, shared: 3.97 peak sun hours a day on flat ground.

−8%solar energy a year compared with the average place in the United States: 1,396 against 1,515 kWh per kWp.

±0 mindaylight on the longest day, compared with New York City: 15 h 05 min against 15 h 06 min.

34°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); Valley Stream ranks joint 1989th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.54 kWh a day here, against 2.55 kWh on average in the United States. The shortest day lasts 9 h 16 min, ±0 min compared with New York City.

The sunniest places in the United States

Solar forecast for Valley Stream, 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 Valley Stream

What is the best solar panel angle in Valley Stream?
For a fixed array facing south, the best year-round tilt in Valley Stream is 34°, worth about 1396 kWh per kWp a year. An off-grid system that has to get through December does better at about 63°.
What time is sunrise and sunset in Valley Stream today?
On 24 October 2026 the sun rises at 07:16 and sets at 18:01 local time (UTC−4), giving 10 h 45 min of daylight. Solar noon is at 12:38.
How many peak sun hours does Valley Stream get?
On a flat surface 4.0 hours a day averaged over the year, from 1.6 in December to 6.1 in July. Panels tilted at 70° receive 2.9 sun hours a day in December.
How high does the sun get in Valley Stream?
At solar noon the sun stands 72.8° above the horizon on the June solstice and 25.9° on the December solstice.
Is Valley Stream a good place for solar panels?
With 4.0 peak sun hours a day on flat ground, Valley Stream ranks joint 1989th of 3,121 places in the United States for sunshine. A 1 kWp array at the best angle (34°) makes about 1,396 kWh a year here, 8% less than the average place in the United States.

Places near Valley Stream

All places in 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.