Solarposition.org

Chongqing · China · 29.96° N · 106.61° E

Solar position in Liuyin

Sun position, daylight and the best solar panel angle for Liuyin — computed for 29.96° N, 106.61° E, 303 m above sea level.

Sunrise today07:01103° ESE
Sunset today18:13256° WSW
Best panel angle19°year-round, facing south
Off-grid angle46°best for the darkest month

The sun right now

Azimuth180.0°
Elevation48.0°
At solar noon, 12:37Open on the sun map

Sun in Liuyin today

Sunday, 25 October 2026 · local time UTC+8

EventTimeDirection / height
Astronomical dawn05:41sun 18° below horizon
Nautical dawn06:0912° below
Civil dawn06:376° below
Sunrise07:01103° ESE
Golden hour ends07:34sun 6° up
Solar noon12:3748.0° high
Golden hour starts17:40sun 6° up
Sunset18:13256° WSW
Civil dusk18:376° below
Nautical dusk19:0512° below
Astronomical dusk19:3318° below
Day length11 h 11 min

Sun path diagram for Liuyin

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 83.5° at solar noon in Liuyin; on the December solstice only 36.6°. 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
January07:4813:0418:2010 h 32 min40.2°
February07:2813:0718:4611 h 18 min49.5°
March06:5613:0019:0512 h 09 min60.3°
April06:2012:5219:2413 h 03 min71.9°
May05:5712:5019:4313 h 46 min80.2°
June05:5312:5519:5714 h 05 min83.5°
July06:0512:5919:5313 h 48 min80.5°
August06:2412:5619:2813 h 05 min72.1°
September06:4112:4618:5112 h 11 min60.7°
October06:5912:3818:1611 h 18 min49.4°
November07:2312:3917:5510 h 32 min40.1°
December07:4412:5117:5810 h 13 min36.6°

A year of daylight in Liuyin

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 Liuyin

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

19°collects the most energy over a year: 922 kWh per kWp.

46°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 19°Best worst-month 46°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°88496%1.123.5×
15°920100%1.302.9×
19° year-round best922100%1.342.8×
30° = latitude91099%1.422.6×
45°85393%1.462.2×
46° off-grid best84892%1.462.2×
60°75582%1.431.9×
70°67073%1.371.7×
90°47351%1.151.5×

A fixed array in Liuyin produces the most over a year at 19°. The design month for an off-grid system is December: at 46° it makes 1.46 kWh per kWp a day, 9% more than at 19°, and costs 8% of the yearly total. Why steep panels win winter.

Off-grid solar in Liuyin at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 19° (year-round best).

012345January: 1.47 (70°)1.5JanFebruary: 1.67 (70°)1.7FebMarch: 2.10 (70°)2.1MarApril: 2.15 (70°)2.1AprMay: 1.84 (70°)1.8MayJune: 1.68 (70°)1.7JunJuly: 2.12 (70°)2.1JulAugust: 2.38 (70°)2.4AugSeptember: 2.06 (70°)2.1SepOctober: 1.63 (70°)1.6OctNovember: 1.57 (70°)1.6NovDecember: 1.37 (70°)1.4Dec19°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 19°Mean temp.
January1.551.701.471.495.6 °C
February2.031.951.671.878.5 °C
March2.942.482.102.6113.4 °C
April3.752.592.153.1218.4 °C
May3.882.271.843.0622.0 °C
June3.902.111.682.9824.9 °C
July4.962.652.123.7927.7 °C
August4.732.962.383.7627.3 °C
September3.262.532.062.7323.2 °C
October2.131.981.631.8818.0 °C
November1.711.861.571.6112.6 °C
December1.391.591.371.346.9 °C
Year3.03 avg2.22 avg670 kWh922 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 860 Wp of panels at 70°, versus 880 Wp at 19°. The steep array is 2% smaller for the same winter. Size your own system.

Row spacing in Liuyin

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.

3.5 mrow pitch at 70°

2.9 mrow pitch at 19°

Row spacing calculator

How Liuyin compares in China

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

1875thof 2,095 places in China for sunshine, shared: 3.03 peak sun hours a day on flat ground.

−27%solar energy a year compared with the average place in China: 922 against 1,262 kWh per kWp.

−6 mindaylight on the longest day, compared with Shanghai: 14 h 05 min against 14 h 11 min.

19°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); Liuyin ranks joint 1875th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.37 kWh a day here, against 2.06 kWh on average in China. The shortest day lasts 10 h 13 min, +6 min compared with Shanghai.

The sunniest places in China

Solar forecast for Liuyin, 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 Liuyin

What is the best solar panel angle in Liuyin?
For a fixed array facing south, the best year-round tilt in Liuyin is 19°, worth about 922 kWh per kWp a year. An off-grid system that has to get through December does better at about 46°.
What time is sunrise and sunset in Liuyin today?
On 25 October 2026 the sun rises at 07:01 and sets at 18:13 local time (UTC+8), giving 11 h 11 min of daylight. Solar noon is at 12:37.
How many peak sun hours does Liuyin get?
On a flat surface 3.0 hours a day averaged over the year, from 1.4 in December to 5.0 in July. Panels tilted at 70° receive 1.6 sun hours a day in December.
How high does the sun get in Liuyin?
At solar noon the sun stands 83.5° above the horizon on the June solstice and 36.6° on the December solstice.
Is Liuyin a good place for solar panels?
With 3.0 peak sun hours a day on flat ground, Liuyin ranks joint 1875th of 2,095 places in China for sunshine. A 1 kWp array at the best angle (19°) makes about 922 kWh a year here, 27% less than the average place in China.

Places near Liuyin

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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.