Solarposition.org

Hubei · China · 32.27° N · 111.63° E

Solar position in Gucheng Chengguanzhen

Sun position, daylight and the best solar panel angle for Gucheng Chengguanzhen — computed for 32.27° N, 111.63° E, 88 m above sea level.

Sunrise today06:44104° ESE
Sunset today17:50256° WSW
Best panel angle27°year-round, facing south
Off-grid angle45°best for the darkest month

The sun right now

Azimuth180.0°
Elevation45.7°
At solar noon, 12:17Open on the sun map

Sun in Gucheng Chengguanzhen today

Sunday, 25 October 2026 · local time UTC+8

EventTimeDirection / height
Astronomical dawn05:22sun 18° below horizon
Nautical dawn05:5012° below
Civil dawn06:196° below
Sunrise06:44104° ESE
Golden hour ends07:18sun 6° up
Solar noon12:1745.7° high
Golden hour starts17:16sun 6° up
Sunset17:50256° WSW
Civil dusk18:156° below
Nautical dusk18:4412° below
Astronomical dusk19:1218° below
Day length11 h 06 min

Sun path diagram for Gucheng Chengguanzhen

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 81.2° at solar noon in Gucheng Chengguanzhen; on the December solstice only 34.3°. Sunrise swings from 61° ENE in June to 117° ESE in December — a 56° 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
January07:3312:4417:5610 h 23 min37.9°
February07:1012:4718:2411 h 14 min47.2°
March06:3612:4018:4512 h 09 min58.0°
April05:5712:3219:0613 h 09 min69.6°
May05:3212:3019:2813 h 56 min77.9°
June05:2712:3519:4314 h 16 min81.2°
July05:4012:3919:3813 h 58 min78.2°
August06:0112:3619:1113 h 10 min69.8°
September06:2012:2618:3212 h 11 min58.4°
October06:4112:1717:5411 h 13 min47.1°
November07:0712:1917:3010 h 23 min37.8°
December07:3012:3117:3210 h 02 min34.3°

A year of daylight in Gucheng Chengguanzhen

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 Gucheng Chengguanzhen

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

27°collects the most energy over a year: 1147 kWh per kWp.

45°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 27°Best worst-month 45°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearJanuary kWh/kWp/dayBest ÷ worst month
0°104791%1.872.1×
15°112698%2.311.6×
27° year-round best1147100%2.571.4×
30°1146100%2.621.4×
32° = latitude1144100%2.651.4×
45° off-grid best110496%2.781.2×
60°100488%2.781.2×
70°90979%2.681.4×
90°66858%2.292.0×

A fixed array in Gucheng Chengguanzhen produces the most over a year at 27°. The design month for an off-grid system is January: at 45° it makes 2.78 kWh per kWp a day, 8% more than at 27°, and costs 4% of the yearly total. Why steep panels win winter.

Off-grid solar in Gucheng Chengguanzhen at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 27° (year-round best).

01234January: 2.68 (70°)2.7JanFebruary: 2.51 (70°)2.5FebMarch: 2.85 (70°)2.8MarApril: 2.63 (70°)2.6AprMay: 2.27 (70°)2.3MayJune: 2.07 (70°)2.1JunJuly: 2.11 (70°)2.1JulAugust: 2.30 (70°)2.3AugSeptember: 2.35 (70°)2.3SepOctober: 2.53 (70°)2.5OctNovember: 2.72 (70°)2.7NovDecember: 2.85 (70°)2.9Dec27°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 27°Mean temp.
January2.223.002.682.571.3 °C
February2.612.852.512.704.4 °C
March3.673.302.853.4510.1 °C
April4.393.122.633.7116.1 °C
May4.652.762.273.6221.1 °C
June4.772.582.073.5425.4 °C
July4.692.652.113.5027.4 °C
August4.372.852.303.4426.2 °C
September3.512.852.353.0321.4 °C
October2.922.992.532.8315.8 °C
November2.403.122.722.669.1 °C
December2.163.202.852.612.9 °C
Year3.53 avg2.94 avg909 kWh1147 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 570 Wp of panels at 70°, versus 460 Wp at 27°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Gucheng Chengguanzhen

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.

3.8 mrow pitch at 70°

3.3 mrow pitch at 27°

Row spacing calculator

How Gucheng Chengguanzhen compares in China

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

1412thof 2,095 places in China for sunshine, shared: 3.53 peak sun hours a day on flat ground.

−9%solar energy a year compared with the average place in China: 1,147 against 1,262 kWh per kWp.

+5 mindaylight on the longest day, compared with Shanghai: 14 h 16 min against 14 h 11 min.

27°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); Gucheng Chengguanzhen ranks joint 1412th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 2.07 kWh a day here, against 2.06 kWh on average in China. The shortest day lasts 10 h 02 min, −5 min compared with Shanghai.

The sunniest places in China

Solar forecast for Gucheng Chengguanzhen, 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 Gucheng Chengguanzhen

What is the best solar panel angle in Gucheng Chengguanzhen?
For a fixed array facing south, the best year-round tilt in Gucheng Chengguanzhen is 27°, worth about 1147 kWh per kWp a year. An off-grid system that has to get through January does better at about 45°.
What time is sunrise and sunset in Gucheng Chengguanzhen today?
On 25 October 2026 the sun rises at 06:44 and sets at 17:50 local time (UTC+8), giving 11 h 06 min of daylight. Solar noon is at 12:17.
How many peak sun hours does Gucheng Chengguanzhen get?
On a flat surface 3.5 hours a day averaged over the year, from 2.2 in December to 4.8 in June. Panels tilted at 70° receive 2.6 sun hours a day in June.
How high does the sun get in Gucheng Chengguanzhen?
At solar noon the sun stands 81.2° above the horizon on the June solstice and 34.3° on the December solstice.
Is Gucheng Chengguanzhen a good place for solar panels?
With 3.5 peak sun hours a day on flat ground, Gucheng Chengguanzhen ranks joint 1412th of 2,095 places in China for sunshine. A 1 kWp array at the best angle (27°) makes about 1,147 kWh a year here, 9% less than the average place in China.

Places near Gucheng Chengguanzhen

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.