Solarposition.org

Liaoning · China · 39.28° N · 122.60° E

Solar position in Dachang Shandao

Sun position, daylight and the best solar panel angle for Dachang Shandao — computed for 39.28° N, 122.60° E, 18 m above sea level.

Sunrise today06:09105° ESE
Sunset today16:57255° WSW
Best panel angle37°year-round, facing south
Off-grid angle44°best for the darkest month

The sun right now

Azimuth180.0°
Elevation38.7°
At solar noon, 11:33Open on the sun map

Sun in Dachang Shandao today

Sunday, 25 October 2026 · local time UTC+8

EventTimeDirection / height
Astronomical dawn04:39sun 18° below horizon
Nautical dawn05:1012° below
Civil dawn05:416° below
Sunrise06:09105° ESE
Golden hour ends06:46sun 6° up
Solar noon11:3338.7° high
Golden hour starts16:20sun 6° up
Sunset16:57255° WSW
Civil dusk17:246° below
Nautical dusk17:5612° below
Astronomical dusk18:2718° below
Day length10 h 48 min

Sun path diagram for Dachang Shandao

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 solstice5678910111213141516171819EquinoxDecember solstice8910111213141516Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 74.2° at solar noon in Dachang Shandao; on the December solstice only 27.3°. Sunrise swings from 58° ENE in June to 120° ESE in December — a 62° 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
January07:0512:0016:569 h 52 min30.8°
February06:3412:0317:3210 h 59 min40.2°
March05:5211:5718:0212 h 10 min51.0°
April05:0411:4818:3213 h 28 min62.6°
May04:3111:4619:0114 h 30 min70.9°
June04:2311:5119:1914 h 56 min74.2°
July04:3911:5519:1114 h 32 min71.2°
August05:0711:5218:3713 h 30 min62.9°
September05:3511:4217:4912 h 13 min51.5°
October06:0511:3417:0210 h 58 min40.1°
November06:3911:3516:319 h 52 min30.9°
December07:0511:4716:299 h 24 min27.3°

A year of daylight in Dachang Shandao

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 Dachang Shandao

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

37°collects the most energy over a year: 1430 kWh per kWp.

44°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 37°Best worst-month 44°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°119183%1.672.8×
15°134394%2.372.1×
30°142199%2.941.6×
37° year-round best1430100%3.141.5×
39° = latitude1429100%3.201.5×
44° off-grid best142299%3.311.4×
45°141999%3.331.5×
60°134094%3.521.6×
70°124687%3.541.8×
90°97868%3.282.6×

A fixed array in Dachang Shandao produces the most over a year at 37°. The design month for an off-grid system is December: at 44° it makes 3.31 kWh per kWp a day, 5% more than at 37°, and costs 1% of the yearly total. Why steep panels win winter.

Off-grid solar in Dachang Shandao at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 37° (year-round best).

0123456January: 4.08 (70°)4.1JanFebruary: 4.33 (70°)4.3FebMarch: 4.25 (70°)4.3MarApril: 3.63 (70°)3.6AprMay: 3.10 (70°)3.1MayJune: 2.52 (70°)2.5JunJuly: 2.38 (70°)2.4JulAugust: 2.77 (70°)2.8AugSeptember: 3.47 (70°)3.5SepOctober: 3.62 (70°)3.6OctNovember: 3.34 (70°)3.3NovDecember: 3.54 (70°)3.5Dec37°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 37°Mean temp.
January snow2.354.444.083.60-4.3 °C
February snow3.114.754.334.09-2.0 °C
March4.404.754.254.782.7 °C
April5.194.163.634.708.6 °C
May5.743.673.104.5415.0 °C
June5.163.062.523.8220.2 °C
July4.662.932.383.4723.7 °C
August4.693.402.773.7624.5 °C
September4.414.173.474.1420.7 °C
October3.374.223.623.8113.9 °C
November2.353.773.343.195.8 °C
December snow2.023.893.543.14-1.6 °C
Year3.96 avg3.93 avg1246 kWh1430 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 500 Wp of panels at 70°, versus 380 Wp at 37°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Dachang Shandao

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.

4.9 mrow pitch at 70°

4.3 mrow pitch at 37°

Row spacing calculator

How Dachang Shandao compares in China

Against the other 2,094 places in China with climate data, for a fixed array at its best angle.

647thof 2,095 places in China for sunshine, shared: 3.96 peak sun hours a day on flat ground.

+13%solar energy a year compared with the average place in China: 1,430 against 1,262 kWh per kWp.

+45 mindaylight on the longest day, compared with Shanghai: 14 h 56 min against 14 h 11 min.

37°best year-round tilt here; across China it runs from 14° in Haikou to 52° in Xilinji.

Of the 2,095 places in China, Nyêmo gets the most sun (5.75 peak sun hours a day) and Baima and 11 other places the least (2.91); Dachang Shandao ranks joint 647th. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 2.38 kWh a day here, against 2.06 kWh on average in China. The shortest day lasts 9 h 24 min, −43 min compared with Shanghai.

The sunniest places in China

Solar forecast for Dachang Shandao, 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 Dachang Shandao

What is the best solar panel angle in Dachang Shandao?
For a fixed array facing south, the best year-round tilt in Dachang Shandao is 37°, worth about 1430 kWh per kWp a year. An off-grid system that has to get through December does better at about 44°.
What time is sunrise and sunset in Dachang Shandao today?
On 25 October 2026 the sun rises at 06:09 and sets at 16:57 local time (UTC+8), giving 10 h 48 min of daylight. Solar noon is at 11:33.
How many peak sun hours does Dachang Shandao get?
On a flat surface 4.0 hours a day averaged over the year, from 2.0 in December to 5.7 in May. Panels tilted at 70° receive 2.9 sun hours a day in July.
How high does the sun get in Dachang Shandao?
At solar noon the sun stands 74.2° above the horizon on the June solstice and 27.3° on the December solstice.
Is Dachang Shandao a good place for solar panels?
With 4.0 peak sun hours a day on flat ground, Dachang Shandao ranks joint 647th of 2,095 places in China for sunshine. A 1 kWp array at the best angle (37°) makes about 1,430 kWh a year here, 13% more than the average place in China.

Places near Dachang Shandao

All places in China

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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.