Solarposition.org

Sichuan · China · 28.98° N · 105.64° E

Solar position in Taifu

Sun position, daylight and the best solar panel angle for Taifu — computed for 28.98° N, 105.64° E, 390 m above sea level.

Sunrise today07:04103° ESE
Sunset today18:17257° WSW
Best panel angle18°year-round, facing south
Off-grid angle45°best for the darkest month

The sun right now

Azimuth180.0°
Elevation48.9°
At solar noon, 12:41Open on the sun map

Sun in Taifu today

Sunday, 25 October 2026 · local time UTC+8

EventTimeDirection / height
Astronomical dawn05:45sun 18° below horizon
Nautical dawn06:1212° below
Civil dawn06:406° below
Sunrise07:04103° ESE
Golden hour ends07:37sun 6° up
Solar noon12:4148.9° high
Golden hour starts17:45sun 6° up
Sunset18:17257° WSW
Civil dusk18:426° below
Nautical dusk19:0912° below
Astronomical dusk19:3718° below
Day length11 h 13 min

Sun path diagram for Taifu

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 84.5° at solar noon in Taifu; on the December solstice only 37.6°. Sunrise swings from 62° ENE in June to 117° ESE in December — a 54° 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
January07:5013:0818:2610 h 36 min41.1°
February07:3113:1118:5111 h 20 min50.5°
March07:0013:0419:0912 h 08 min61.3°
April06:2512:5619:2613 h 01 min72.9°
May06:0312:5419:4513 h 42 min81.2°
June05:5912:5919:5914 h 00 min84.5°
July06:1113:0319:5513 h 44 min81.5°
August06:2913:0019:3113 h 02 min73.1°
September06:4512:5018:5512 h 11 min61.7°
October07:0212:4118:2111 h 20 min50.3°
November07:2512:4318:0110 h 36 min41.1°
December07:4612:5518:0410 h 18 min37.6°

A year of daylight in Taifu

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 Taifu

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: 935 kWh per kWp.

45°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 18°Best worst-month 45°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°90096%1.153.4×
15°934100%1.332.9×
18° year-round best935100%1.352.8×
29° = latitude92499%1.432.5×
30°92199%1.442.5×
45° off-grid best86292%1.472.2×
60°76181%1.431.9×
70°67472%1.371.7×
90°47451%1.141.6×

A fixed array in Taifu produces the most over a year at 18°. The design month for an off-grid system is December: at 45° it makes 1.47 kWh per kWp a day, 9% more than at 18°, and costs 8% of the yearly total. Why steep panels win winter.

Off-grid solar in Taifu at 70°

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

012345January: 1.51 (70°)1.5JanFebruary: 1.85 (70°)1.9FebMarch: 2.14 (70°)2.1MarApril: 2.15 (70°)2.2AprMay: 1.86 (70°)1.9MayJune: 1.64 (70°)1.6JunJuly: 2.08 (70°)2.1JulAugust: 2.33 (70°)2.3AugSeptember: 2.03 (70°)2.0SepOctober: 1.58 (70°)1.6OctNovember: 1.64 (70°)1.6NovDecember: 1.37 (70°)1.4Dec18°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 18°Mean temp.
January1.611.741.511.535.7 °C
February2.222.151.852.068.7 °C
March3.052.532.142.6913.7 °C
April3.822.592.153.1718.6 °C
May4.012.291.863.1622.1 °C
June3.852.051.642.9524.7 °C
July4.972.612.083.8127.2 °C
August4.702.892.333.7426.7 °C
September3.252.492.032.7222.9 °C
October2.111.921.581.8517.8 °C
November1.801.931.641.6812.6 °C
December1.421.591.371.357.0 °C
Year3.07 avg2.23 avg674 kWh935 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 870 Wp at 18°. The steep array is 1% smaller for the same winter. Size your own system.

Row spacing in Taifu

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.

3.4 mrow pitch at 70°

2.8 mrow pitch at 18°

Row spacing calculator

How Taifu compares in China

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

1753rdof 2,095 places in China for sunshine, shared: 3.07 peak sun hours a day on flat ground.

−26%solar energy a year compared with the average place in China: 935 against 1,262 kWh per kWp.

−11 mindaylight on the longest day, compared with Shanghai: 14 h 00 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); Taifu ranks joint 1753rd. 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 18 min, +10 min compared with Shanghai.

The sunniest places in China

Solar forecast for Taifu, 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 Taifu

What is the best solar panel angle in Taifu?
For a fixed array facing south, the best year-round tilt in Taifu is 18°, worth about 935 kWh per kWp a year. An off-grid system that has to get through December does better at about 45°.
What time is sunrise and sunset in Taifu today?
On 25 October 2026 the sun rises at 07:04 and sets at 18:17 local time (UTC+8), giving 11 h 13 min of daylight. Solar noon is at 12:41.
How many peak sun hours does Taifu get?
On a flat surface 3.1 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 Taifu?
At solar noon the sun stands 84.5° above the horizon on the June solstice and 37.6° on the December solstice.
Is Taifu a good place for solar panels?
With 3.1 peak sun hours a day on flat ground, Taifu ranks joint 1753rd of 2,095 places in China for sunshine. A 1 kWp array at the best angle (18°) makes about 935 kWh a year here, 26% less than the average place in China.

Places near Taifu

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.