Xinjiang · China · 41.28° N · 80.24° E
Solar position in Wensu
Sun position, daylight and the best solar panel angle for Wensu — computed for 41.28° N, 80.24° E, 1118 m above sea level.
The sun right now
Sun in Wensu today
Saturday, 24 October 2026 · local time UTC+6
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:28 | sun 18° below horizon |
| Nautical dawn | 06:00 | 12° below |
| Civil dawn | 06:32 | 6° below |
| Sunrise | 07:00 | 105° ESE |
| Golden hour ends | 07:38 | sun 6° up |
| Solar noon | 12:23 | 37.0° high |
| Golden hour starts | 17:07 | sun 6° up |
| Sunset | 17:45 | 255° WSW |
| Civil dusk | 18:13 | 6° below |
| Nautical dusk | 18:45 | 12° below |
| Astronomical dusk | 19:17 | 18° below |
| Day length | 10 h 45 min | |
Sun path diagram for Wensu
Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.
- June solstice
- Equinox
- December solstice
- Today
On the June solstice the sun reaches 72.2° at solar noon in Wensu; on the December solstice only 25.3°. Sunrise swings from 57° ENE in June to 121° ESE in December — a 64° 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.
| Month | Sunrise | Solar noon | Sunset | Day length | Noon elevation |
|---|---|---|---|---|---|
| January | 07:59 | 12:50 | 17:41 | 9 h 42 min | 28.9° |
| February | 07:25 | 12:52 | 18:19 | 10 h 54 min | 38.2° |
| March | 06:41 | 12:46 | 18:51 | 12 h 11 min | 49.0° |
| April | 05:51 | 12:37 | 19:25 | 13 h 34 min | 60.6° |
| May | 05:15 | 12:35 | 19:56 | 14 h 41 min | 68.9° |
| June | 05:06 | 12:40 | 20:15 | 15 h 10 min | 72.2° |
| July | 05:23 | 12:45 | 20:06 | 14 h 43 min | 69.2° |
| August | 05:54 | 12:42 | 19:29 | 13 h 36 min | 60.8° |
| September | 06:25 | 12:32 | 18:38 | 12 h 13 min | 49.4° |
| October | 06:57 | 12:23 | 17:49 | 10 h 53 min | 38.0° |
| November | 07:33 | 12:24 | 17:15 | 9 h 42 min | 28.8° |
| December | 08:01 | 12:37 | 17:12 | 9 h 12 min | 25.3° |
A year of daylight in Wensu
Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.
Best solar panel angle in Wensu
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
37°collects the most energy over a year: 1607 kWh per kWp.
59°gives the most in the darkest month — the one an off-grid system is sized for.
- Yearly energy
- Worst-month energy
| Tilt | kWh/kWp per year | Share of best year | December kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1336 | 83% | 1.68 | 3.1× |
| 15° | 1508 | 94% | 2.44 | 2.2× |
| 30° | 1597 | 99% | 3.08 | 1.7× |
| 37° year-round best | 1607 | 100% | 3.33 | 1.5× |
| 41° = latitude | 1605 | 100% | 3.45 | 1.4× |
| 45° | 1596 | 99% | 3.55 | 1.4× |
| 59° off-grid best | 1516 | 94% | 3.82 | 1.2× |
| 60° | 1508 | 94% | 3.83 | 1.2× |
| 70° | 1404 | 87% | 3.89 | 1.4× |
| 90° | 1104 | 69% | 3.73 | 2.2× |
A fixed array in Wensu produces the most over a year at 37°. The design month for an off-grid system is December: at 59° it makes 3.82 kWh per kWp a day, 15% more than at 37°, and costs 6% of the yearly total. Why steep panels win winter.
Off-grid solar in Wensu at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 37° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 37° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 2.26 | 4.30 | 4.00 | 3.51 | -7.7 °C |
| February snow | 3.17 | 4.86 | 4.46 | 4.18 | -3.6 °C |
| March | 4.32 | 4.70 | 4.19 | 4.66 | 3.9 °C |
| April | 5.48 | 4.52 | 3.90 | 4.96 | 11.5 °C |
| May | 6.24 | 4.11 | 3.47 | 4.96 | 16.5 °C |
| June | 6.50 | 3.81 | 3.16 | 4.81 | 20.7 °C |
| July | 6.47 | 3.93 | 3.23 | 4.84 | 22.9 °C |
| August | 5.67 | 4.20 | 3.48 | 4.69 | 21.8 °C |
| September | 4.77 | 4.72 | 4.00 | 4.68 | 16.2 °C |
| October | 3.69 | 4.99 | 4.36 | 4.47 | 9.0 °C |
| November | 2.53 | 4.50 | 4.05 | 3.76 | 0.8 °C |
| December snow | 2.01 | 4.21 | 3.89 | 3.33 | -6.0 °C |
| Year | 4.43 avg | 4.40 avg | 1404 kWh | 1607 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 370 Wp of panels at 70°, versus 350 Wp at 37°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Wensu
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.
5.3 mrow pitch at 70°
4.6 mrow pitch at 37°
How Wensu compares in China
Against the other 2,094 places in China with climate data, for a fixed array at its best angle.
250thof 2,095 places in China for sunshine, shared: 4.43 peak sun hours a day on flat ground.
+27%solar energy a year compared with the average place in China: 1,607 against 1,262 kWh per kWp.
+59 mindaylight on the longest day, compared with Shanghai: 15 h 10 min against 14 h 11 min.
37°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); Wensu ranks joint 250th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 3.16 kWh a day here, against 2.06 kWh on average in China. The shortest day lasts 9 h 12 min, −55 min compared with Shanghai.
Solar forecast for Wensu, next 48 hours
Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.
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Questions about the sun in Wensu
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A free, live card for Wensu: 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.
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.