Solarposition.org

Guangdong · China · 21.63° N · 110.58° E

Solar position in Huazhou

Sun position, daylight and the best solar panel angle for Huazhou — computed for 21.63° N, 110.58° E, 35 m above sea level.

Sunrise today06:37103° ESE
Sunset today18:05257° WSW
Best panel angle18°year-round, facing south
Off-grid angle24°best for the darkest month

The sun right now

Azimuth180.0°
Elevation56.3°
At solar noon, 12:21Open on the sun map

Sun in Huazhou today

Sunday, 25 October 2026 · local time UTC+8

EventTimeDirection / height
Astronomical dawn05:22sun 18° below horizon
Nautical dawn05:4812° below
Civil dawn06:146° below
Sunrise06:37103° ESE
Golden hour ends07:07sun 6° up
Solar noon12:2156.3° high
Golden hour starts17:35sun 6° up
Sunset18:05257° WSW
Civil dusk18:286° below
Nautical dusk18:5412° below
Astronomical dusk19:2018° below
Day length11 h 28 min

Sun path diagram for Huazhou

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 solstice78910111213141516171819EquinoxDecember solstice891011121314151617Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 88.2° at solar noon in Huazhou; on the December solstice only 44.9°. 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
January07:1812:4818:1911 h 02 min48.5°
February07:0412:5118:3811 h 33 min57.8°
March06:4112:4418:4812 h 08 min68.6°
April06:1312:3618:5912 h 45 min80.2°
May05:5612:3419:1113 h 15 min88.6°
June05:5512:3919:2313 h 27 min88.2°
July06:0612:4419:2113 h 16 min88.8°
August06:1712:4019:0312 h 46 min80.5°
September06:2612:3018:3512 h 09 min69.1°
October06:3512:2218:0811 h 33 min57.7°
November06:5212:2317:5411 h 02 min48.5°
December07:1112:3518:0010 h 49 min44.9°

A year of daylight in Huazhou

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 Huazhou

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

18°collects the most energy over a year: 1220 kWh per kWp.

24°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 18°Best worst-month 24°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearFebruary kWh/kWp/dayBest ÷ worst month
0°117196%2.381.8×
15°1218100%2.591.5×
18° year-round best1220100%2.611.5×
22° = latitude1218100%2.641.5×
24° off-grid best1215100%2.651.5×
30°120198%2.661.5×
45°112192%2.601.5×
60°98481%2.401.6×
70°86871%2.201.9×
90°61250%1.672.3×

A fixed array in Huazhou produces the most over a year at 18°. The design month for an off-grid system is February: at 24° it makes 2.65 kWh per kWp a day, 1% more than at 18°, and costs 0% of the yearly total. Why steep panels win winter.

Off-grid solar in Huazhou at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 18° (year-round best).

012345January: 2.59 (70°)2.6JanFebruary: 2.20 (70°)2.2FebMarch: 1.96 (70°)2.0MarApril: 1.96 (70°)2.0AprMay: 1.90 (70°)1.9MayJune: 1.75 (70°)1.7JunJuly: 1.86 (70°)1.9JulAugust: 2.14 (70°)2.1AugSeptember: 2.61 (70°)2.6SepOctober: 3.12 (70°)3.1OctNovember: 3.32 (70°)3.3NovDecember: 3.10 (70°)3.1Dec18°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 18°Mean temp.
January2.833.062.592.6915.6 °C
February2.952.642.202.6118.1 °C
March3.192.391.962.6521.3 °C
April3.942.431.963.1224.8 °C
May4.782.381.903.6327.3 °C
June4.812.211.753.5728.2 °C
July5.172.351.863.8628.2 °C
August4.932.682.143.8028.0 °C
September4.703.232.613.8227.1 °C
October4.343.803.123.8124.3 °C
November3.653.983.323.4520.8 °C
December3.083.653.103.0316.3 °C
Year4.04 avg2.90 avg868 kWh1220 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 680 Wp of panels at 70°, versus 450 Wp at 18°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Huazhou

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.

2.8 mrow pitch at 70°

2.6 mrow pitch at 18°

Row spacing calculator

How Huazhou compares in China

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

477thof 2,095 places in China for sunshine, shared: 4.04 peak sun hours a day on flat ground.

−3%solar energy a year compared with the average place in China: 1,220 against 1,262 kWh per kWp.

−44 mindaylight on the longest day, compared with Shanghai: 13 h 27 min against 14 h 11 min.

18°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); Huazhou ranks joint 477th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.75 kWh a day here, against 2.06 kWh on average in China. The shortest day lasts 10 h 49 min, +42 min compared with Shanghai.

The sunniest places in China

Solar forecast for Huazhou, 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 Huazhou

What is the best solar panel angle in Huazhou?
For a fixed array facing south, the best year-round tilt in Huazhou is 18°, worth about 1220 kWh per kWp a year. An off-grid system that has to get through February does better at about 24°.
What time is sunrise and sunset in Huazhou today?
On 25 October 2026 the sun rises at 06:37 and sets at 18:05 local time (UTC+8), giving 11 h 28 min of daylight. Solar noon is at 12:21.
How many peak sun hours does Huazhou get?
On a flat surface 4.0 hours a day averaged over the year, from 2.8 in January to 5.2 in July. Panels tilted at 70° receive 2.2 sun hours a day in June.
How high does the sun get in Huazhou?
At solar noon the sun stands 88.2° above the horizon on the June solstice and 44.9° on the December solstice.
Is Huazhou a good place for solar panels?
With 4.0 peak sun hours a day on flat ground, Huazhou ranks joint 477th of 2,095 places in China for sunshine. A 1 kWp array at the best angle (18°) makes about 1,220 kWh a year here, 3% less than the average place in China.

Places near Huazhou

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.