Solarposition.org

Guangdong · China · 22.80° N · 114.47° E

Solar position in Danshui

Sun position, daylight and the best solar panel angle for Danshui — computed for 22.80° N, 114.47° E, 27 m above sea level.

Sunrise today06:23103° ESE
Sunset today17:49257° WSW
Best panel angle20°year-round, facing south
Off-grid angle21°best for the darkest month

The sun right now

Azimuth180.0°
Elevation55.1°
At solar noon, 12:06Open on the sun map

Sun in Danshui today

Sunday, 25 October 2026 · local time UTC+8

EventTimeDirection / height
Astronomical dawn05:07sun 18° below horizon
Nautical dawn05:3312° below
Civil dawn06:006° below
Sunrise06:23103° ESE
Golden hour ends06:53sun 6° up
Solar noon12:0655.1° high
Golden hour starts17:18sun 6° up
Sunset17:49257° WSW
Civil dusk18:126° below
Nautical dusk18:3812° below
Astronomical dusk19:0418° below
Day length11 h 26 min

Sun path diagram for Danshui

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 solstice891011121314151617Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 89.4° at solar noon in Danshui; on the December solstice only 43.8°. Sunrise swings from 64° ENE in June to 115° ESE in December — a 51° 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
January07:0412:3318:0210 h 58 min47.3°
February06:5012:3518:2111 h 31 min56.6°
March06:2512:2918:3312 h 08 min67.4°
April05:5712:2018:4412 h 48 min79.1°
May05:3912:1818:5813 h 19 min87.4°
June05:3712:2319:0913 h 32 min89.4°
July05:4812:2819:0813 h 20 min87.7°
August06:0012:2518:4912 h 49 min79.3°
September06:1012:1518:1912 h 09 min67.9°
October06:2112:0617:5211 h 31 min56.5°
November06:3812:0717:3610 h 58 min47.3°
December06:5712:2017:4210 h 44 min43.8°

A year of daylight in Danshui

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 Danshui

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

20°collects the most energy over a year: 1237 kWh per kWp.

21°gives the most in the darkest month — the one an off-grid system is sized for.

30%40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 20°Best worst-month 21°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearMarch kWh/kWp/dayBest ÷ worst month
0°117895%2.651.7×
15°1233100%2.781.5×
20° year-round best1237100%2.791.4×
21° off-grid best1237100%2.791.4×
23° = latitude1236100%2.791.4×
30°122399%2.761.4×
45°114893%2.611.5×
60°101382%2.331.7×
70°89572%2.082.0×
90°63251%1.472.6×

A fixed array in Danshui produces the most over a year at 20°. The design month for an off-grid system is March: at 21° it makes 2.79 kWh per kWp a day, and costs 0% of the yearly total. Why steep panels win winter.

Off-grid solar in Danshui at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 20° (year-round best).

012345January: 2.97 (70°)3.0JanFebruary: 2.41 (70°)2.4FebMarch: 2.08 (70°)2.1MarApril: 1.93 (70°)1.9AprMay: 1.80 (70°)1.8MayJune: 1.66 (70°)1.7JunJuly: 1.87 (70°)1.9JulAugust: 2.20 (70°)2.2AugSeptember: 2.67 (70°)2.7SepOctober: 3.22 (70°)3.2OctNovember: 3.33 (70°)3.3NovDecember: 3.30 (70°)3.3Dec20°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 20°Mean temp.
January3.063.482.973.0215.1 °C
February3.092.872.412.8117.1 °C
March3.292.522.082.7919.6 °C
April3.802.371.933.0322.7 °C
May4.432.251.803.3625.8 °C
June4.572.101.663.3727.4 °C
July5.332.361.873.9428.1 °C
August5.062.752.203.9028.0 °C
September4.733.312.673.8827.0 °C
October4.363.923.223.8824.3 °C
November3.583.993.333.4520.8 °C
December3.163.883.303.2016.2 °C
Year4.05 avg2.98 avg895 kWh1237 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 710 Wp of panels at 70°, versus 420 Wp at 20°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Danshui

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.

2.9 mrow pitch at 70°

2.7 mrow pitch at 20°

Row spacing calculator

How Danshui compares in China

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

471stof 2,095 places in China for sunshine, shared: 4.05 peak sun hours a day on flat ground.

−2%solar energy a year compared with the average place in China: 1,237 against 1,262 kWh per kWp.

−39 mindaylight on the longest day, compared with Shanghai: 13 h 32 min against 14 h 11 min.

20°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); Danshui ranks joint 471st. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.66 kWh a day here, against 2.06 kWh on average in China. The shortest day lasts 10 h 44 min, +37 min compared with Shanghai.

The sunniest places in China

Solar forecast for Danshui, 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 Danshui

What is the best solar panel angle in Danshui?
For a fixed array facing south, the best year-round tilt in Danshui is 20°, worth about 1237 kWh per kWp a year. An off-grid system that has to get through March does better at about 21°.
What time is sunrise and sunset in Danshui today?
On 25 October 2026 the sun rises at 06:23 and sets at 17:49 local time (UTC+8), giving 11 h 26 min of daylight. Solar noon is at 12:06.
How many peak sun hours does Danshui get?
On a flat surface 4.0 hours a day averaged over the year, from 3.1 in January to 5.3 in July. Panels tilted at 70° receive 2.1 sun hours a day in June.
How high does the sun get in Danshui?
At solar noon the sun stands 89.4° above the horizon on the June solstice and 43.8° on the December solstice.
Is Danshui a good place for solar panels?
With 4.0 peak sun hours a day on flat ground, Danshui ranks joint 471st of 2,095 places in China for sunshine. A 1 kWp array at the best angle (20°) makes about 1,237 kWh a year here, 2% less than the average place in China.

Places near Danshui

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.