Solarposition.org

Chongqing · China · 30.65° N · 107.97° E

Solar position in Fulu

Sun position, daylight and the best solar panel angle for Fulu — computed for 30.65° N, 107.97° E, 265 m above sea level.

Sunrise today06:57103° ESE
Sunset today18:06256° WSW
Best panel angle21°year-round, facing south
Off-grid angle49°best for the darkest month

The sun right now

Azimuth180.0°
Elevation47.3°
At solar noon, 12:32Open on the sun map

Sun in Fulu today

Sunday, 25 October 2026 · local time UTC+8

EventTimeDirection / height
Astronomical dawn05:36sun 18° below horizon
Nautical dawn06:0412° below
Civil dawn06:326° below
Sunrise06:57103° ESE
Golden hour ends07:30sun 6° up
Solar noon12:3247.3° high
Golden hour starts17:33sun 6° up
Sunset18:06256° WSW
Civil dusk18:316° below
Nautical dusk18:5912° below
Astronomical dusk19:2718° below
Day length11 h 10 min

Sun path diagram for Fulu

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 82.8° at solar noon in Fulu; on the December solstice only 35.9°. Sunrise swings from 62° ENE in June to 117° ESE in December — a 55° 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
January07:4412:5918:1410 h 29 min39.5°
February07:2313:0118:4011 h 17 min48.8°
March06:5112:5518:5912 h 09 min59.6°
April06:1412:4619:1913 h 05 min71.2°
May05:5012:4419:3913 h 49 min79.5°
June05:4512:4919:5314 h 08 min82.8°
July05:5912:5419:4913 h 51 min79.8°
August06:1712:5119:2413 h 06 min71.5°
September06:3512:4118:4612 h 11 min60.1°
October06:5412:3218:1011 h 16 min48.7°
November07:1912:3317:4810 h 29 min39.5°
December07:4112:4617:5010 h 10 min35.9°

A year of daylight in Fulu

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 Fulu

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

21°collects the most energy over a year: 960 kWh per kWp.

49°gives the most in the darkest month — the one an off-grid system is sized for.

50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 21°Best worst-month 49°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°91395%1.223.2×
15°957100%1.452.7×
21° year-round best960100%1.522.5×
30°95199%1.612.3×
31° = latitude94999%1.612.3×
45°89793%1.682.0×
49° off-grid best87591%1.681.9×
60°79883%1.651.7×
70°71174%1.591.5×
90°50653%1.351.5×

A fixed array in Fulu produces the most over a year at 21°. The design month for an off-grid system is December: at 49° it makes 1.68 kWh per kWp a day, 10% more than at 21°, and costs 9% of the yearly total. Why steep panels win winter.

Off-grid solar in Fulu at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 21° (year-round best).

012345January: 1.64 (70°)1.6JanFebruary: 1.65 (70°)1.6FebMarch: 2.18 (70°)2.2MarApril: 2.20 (70°)2.2AprMay: 1.87 (70°)1.9MayJune: 1.79 (70°)1.8JunJuly: 2.16 (70°)2.2JulAugust: 2.45 (70°)2.5AugSeptember: 2.18 (70°)2.2SepOctober: 1.87 (70°)1.9OctNovember: 1.78 (70°)1.8NovDecember: 1.59 (70°)1.6Dec21°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 21°Mean temp.
January1.631.881.641.643.9 °C
February1.971.911.651.846.6 °C
March2.992.552.182.6911.3 °C
April3.792.632.203.1816.4 °C
May3.872.291.873.0620.1 °C
June4.102.231.793.1423.5 °C
July4.962.682.163.8026.0 °C
August4.803.032.453.8425.4 °C
September3.382.662.182.8721.5 °C
October2.332.231.872.1316.3 °C
November1.822.081.781.7910.9 °C
December1.491.831.591.525.2 °C
Year3.10 avg2.34 avg711 kWh960 kWh

Sizing example. To run a 1 kWh-per-day load through December on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 740 Wp of panels at 70°, versus 770 Wp at 21°. The steep array is 4% smaller for the same winter. Size your own system.

Row spacing in Fulu

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.

3.6 mrow pitch at 70°

3.0 mrow pitch at 21°

Row spacing calculator

How Fulu compares in China

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

1698thof 2,095 places in China for sunshine, shared: 3.10 peak sun hours a day on flat ground.

−24%solar energy a year compared with the average place in China: 960 against 1,262 kWh per kWp.

−3 mindaylight on the longest day, compared with Shanghai: 14 h 08 min against 14 h 11 min.

21°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); Fulu ranks joint 1698th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.59 kWh a day here, against 2.06 kWh on average in China. The shortest day lasts 10 h 10 min, +3 min compared with Shanghai.

The sunniest places in China

Solar forecast for Fulu, 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 Fulu

What is the best solar panel angle in Fulu?
For a fixed array facing south, the best year-round tilt in Fulu is 21°, worth about 960 kWh per kWp a year. An off-grid system that has to get through December does better at about 49°.
What time is sunrise and sunset in Fulu today?
On 25 October 2026 the sun rises at 06:57 and sets at 18:06 local time (UTC+8), giving 11 h 10 min of daylight. Solar noon is at 12:32.
How many peak sun hours does Fulu get?
On a flat surface 3.1 hours a day averaged over the year, from 1.5 in December to 5.0 in July. Panels tilted at 70° receive 1.8 sun hours a day in December.
How high does the sun get in Fulu?
At solar noon the sun stands 82.8° above the horizon on the June solstice and 35.9° on the December solstice.
Is Fulu a good place for solar panels?
With 3.1 peak sun hours a day on flat ground, Fulu ranks joint 1698th of 2,095 places in China for sunshine. A 1 kWp array at the best angle (21°) makes about 960 kWh a year here, 24% less than the average place in China.

Places near Fulu

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.