Solarposition.org

Guangdong · China · 21.23° N · 110.39° E

Solar position in Zhanjiang

Sun position, daylight and the best solar panel angle for Zhanjiang — computed for 21.23° N, 110.39° E, 16 m above sea level.

Sunrise today06:37103° ESE
Sunset today18:06257° WSW
Best panel angle17°year-round, facing south
Off-grid angle31°best for the darkest month

The sun right now

Azimuth180.0°
Elevation56.7°
At solar noon, 12:22Open on the sun map

Sun in Zhanjiang today

Sunday, 25 October 2026 · local time UTC+8

EventTimeDirection / height
Astronomical dawn05:23sun 18° below horizon
Nautical dawn05:4912° below
Civil dawn06:156° below
Sunrise06:37103° ESE
Golden hour ends07:08sun 6° up
Solar noon12:2256.7° high
Golden hour starts17:36sun 6° up
Sunset18:06257° WSW
Civil dusk18:296° below
Nautical dusk18:5512° below
Astronomical dusk19:2118° below
Day length11 h 29 min

Sun path diagram for Zhanjiang

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 87.8° at solar noon in Zhanjiang; on the December solstice only 45.3°. 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
January07:1812:4918:2111 h 03 min48.9°
February07:0512:5218:3911 h 34 min58.2°
March06:4112:4518:4912 h 08 min69.0°
April06:1512:3718:5912 h 45 min80.6°
May05:5812:3519:1113 h 13 min88.9°
June05:5712:4019:2313 h 26 min87.8°
July06:0712:4419:2213 h 14 min89.2°
August06:1812:4119:0412 h 45 min80.9°
September06:2612:3118:3612 h 09 min69.5°
October06:3612:2318:0911 h 34 min58.1°
November06:5212:2417:5511 h 03 min48.9°
December07:1112:3618:0110 h 51 min45.3°

A year of daylight in Zhanjiang

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 Zhanjiang

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

17°collects the most energy over a year: 1242 kWh per kWp.

31°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 17°Best worst-month 31°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearJanuary kWh/kWp/dayBest ÷ worst month
0°119896%2.291.8×
15°1241100%2.621.5×
17° year-round best1242100%2.661.5×
21° = latitude1240100%2.721.4×
30°121998%2.811.4×
31° off-grid best121598%2.821.4×
45°113391%2.841.4×
60°98980%2.721.6×
70°86870%2.561.8×
90°60749%2.052.3×

A fixed array in Zhanjiang produces the most over a year at 17°. The design month for an off-grid system is January: at 31° it makes 2.82 kWh per kWp a day, 6% more than at 17°, and costs 2% of the yearly total. Why steep panels win winter.

Off-grid solar in Zhanjiang at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 17° (year-round best).

012345January: 2.56 (70°)2.6JanFebruary: 2.30 (70°)2.3FebMarch: 2.09 (70°)2.1MarApril: 2.06 (70°)2.1AprMay: 1.93 (70°)1.9MayJune: 1.76 (70°)1.8JunJuly: 1.85 (70°)1.9JulAugust: 2.13 (70°)2.1AugSeptember: 2.60 (70°)2.6SepOctober: 3.06 (70°)3.1OctNovember: 3.24 (70°)3.2NovDecember: 2.96 (70°)3.0Dec17°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 17°Mean temp.
January2.843.032.562.6616.5 °C
February3.082.762.302.7218.7 °C
March3.412.552.092.8521.8 °C
April4.202.552.063.3325.1 °C
May5.032.421.933.8227.7 °C
June5.032.231.763.7428.5 °C
July5.292.341.853.9528.5 °C
August4.992.672.133.8528.3 °C
September4.723.222.603.8327.4 °C
October4.313.743.063.7524.8 °C
November3.633.903.243.3821.5 °C
December3.023.512.962.9117.3 °C
Year4.13 avg2.91 avg868 kWh1242 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 670 Wp of panels at 70°, versus 440 Wp at 17°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Zhanjiang

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 17°

Row spacing calculator

How Zhanjiang compares in China

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

395thof 2,095 places in China for sunshine, shared: 4.13 peak sun hours a day on flat ground.

−2%solar energy a year compared with the average place in China: 1,242 against 1,262 kWh per kWp.

−45 mindaylight on the longest day, compared with Shanghai: 13 h 26 min against 14 h 11 min.

17°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); Zhanjiang ranks joint 395th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.76 kWh a day here, against 2.06 kWh on average in China. The shortest day lasts 10 h 51 min, +43 min compared with Shanghai.

The sunniest places in China

Solar forecast for Zhanjiang, 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 Zhanjiang

What is the best solar panel angle in Zhanjiang?
For a fixed array facing south, the best year-round tilt in Zhanjiang is 17°, worth about 1242 kWh per kWp a year. An off-grid system that has to get through January does better at about 31°.
What time is sunrise and sunset in Zhanjiang today?
On 25 October 2026 the sun rises at 06:37 and sets at 18:06 local time (UTC+8), giving 11 h 29 min of daylight. Solar noon is at 12:22.
How many peak sun hours does Zhanjiang get?
On a flat surface 4.1 hours a day averaged over the year, from 2.8 in January to 5.3 in July. Panels tilted at 70° receive 2.2 sun hours a day in June.
How high does the sun get in Zhanjiang?
At solar noon the sun stands 87.8° above the horizon on the June solstice and 45.3° on the December solstice.
Is Zhanjiang a good place for solar panels?
With 4.1 peak sun hours a day on flat ground, Zhanjiang ranks joint 395th of 2,095 places in China for sunshine. A 1 kWp array at the best angle (17°) makes about 1,242 kWh a year here, 2% less than the average place in China.

Places near Zhanjiang

All places in China

Put this on your site

A free, live card for Zhanjiang: where the sun is right now on today's path, a countdown to sunset or sunrise, the daylight change, the moon phase at night and the best panel angle.

Theme

Paste it into any page, blog or CMS that accepts HTML. Auto follows the visitor's light or dark system setting. Free to use with its link.

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.