Xinjiang · China · 44.70° N · 84.83° E
Solar position in Huyanghe
Sun position, daylight and the best solar panel angle for Huyanghe — computed for 44.70° N, 84.83° E, 389 m above sea level.
The sun right now
Sun in Huyanghe today
Saturday, 24 October 2026 · local time UTC+6
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:09 | sun 18° below horizon |
| Nautical dawn | 05:43 | 12° below |
| Civil dawn | 06:17 | 6° below |
| Sunrise | 06:47 | 106° ESE |
| Golden hour ends | 07:28 | sun 6° up |
| Solar noon | 12:04 | 33.6° high |
| Golden hour starts | 16:41 | sun 6° up |
| Sunset | 17:21 | 254° WSW |
| Civil dusk | 17:51 | 6° below |
| Nautical dusk | 18:25 | 12° below |
| Astronomical dusk | 18:59 | 18° below |
| Day length | 10 h 35 min | |
Sun path diagram for Huyanghe
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 68.7° at solar noon in Huyanghe; on the December solstice only 21.9°. Sunrise swings from 55° NE in June to 123° ESE in December — a 68° 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 | 07:50 | 12:32 | 17:13 | 9 h 23 min | 25.4° |
| February | 07:12 | 12:34 | 17:56 | 10 h 45 min | 34.8° |
| March | 06:22 | 12:28 | 18:33 | 12 h 11 min | 45.6° |
| April | 05:26 | 12:19 | 19:12 | 13 h 46 min | 57.2° |
| May | 04:46 | 12:17 | 19:48 | 15 h 02 min | 65.5° |
| June | 04:35 | 12:22 | 20:09 | 15 h 35 min | 68.7° |
| July | 04:54 | 12:27 | 19:58 | 15 h 04 min | 65.8° |
| August | 05:29 | 12:23 | 19:17 | 13 h 48 min | 57.4° |
| September | 06:06 | 12:13 | 18:20 | 12 h 15 min | 46.0° |
| October | 06:43 | 12:05 | 17:26 | 10 h 43 min | 34.6° |
| November | 07:24 | 12:06 | 16:47 | 9 h 23 min | 25.4° |
| December | 07:54 | 12:18 | 16:42 | 8 h 48 min | 21.9° |
A year of daylight in Huyanghe
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 Huyanghe
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: 1520 kWh per kWp.
73°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° | 1260 | 83% | 1.13 | 4.8× |
| 15° | 1425 | 94% | 1.63 | 3.4× |
| 30° | 1510 | 99% | 2.05 | 2.7× |
| 37° year-round best | 1520 | 100% | 2.21 | 2.4× |
| 45° = latitude | 1509 | 99% | 2.37 | 2.1× |
| 60° | 1424 | 94% | 2.56 | 1.9× |
| 70° | 1324 | 87% | 2.61 | 1.7× |
| 73° off-grid best | 1288 | 85% | 2.61 | 1.6× |
| 90° | 1035 | 68% | 2.52 | 1.7× |
A fixed array in Huyanghe produces the most over a year at 37°. The design month for an off-grid system is December: at 73° it makes 2.61 kWh per kWp a day, 18% more than at 37°, and costs 15% of the yearly total. Why steep panels win winter.
Off-grid solar in Huyanghe 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 | 1.76 | 3.33 | 3.13 | 2.72 | -10.6 °C |
| February snow | 2.55 | 3.88 | 3.59 | 3.34 | -6.8 °C |
| March | 3.86 | 4.49 | 4.02 | 4.35 | 2.3 °C |
| April | 5.30 | 4.71 | 4.07 | 5.02 | 10.9 °C |
| May | 6.53 | 4.52 | 3.81 | 5.34 | 17.4 °C |
| June | 6.70 | 4.13 | 3.39 | 5.04 | 23.0 °C |
| July | 6.57 | 4.22 | 3.45 | 5.02 | 25.0 °C |
| August | 5.94 | 4.71 | 3.88 | 5.08 | 23.4 °C |
| September | 4.79 | 5.21 | 4.41 | 4.97 | 16.9 °C |
| October | 3.21 | 4.72 | 4.13 | 4.11 | 8.4 °C |
| November snow | 1.81 | 3.37 | 3.05 | 2.73 | -0.5 °C |
| December snow | 1.37 | 2.81 | 2.61 | 2.21 | -8.1 °C |
| Year | 4.21 avg | 4.18 avg | 1324 kWh | 1520 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 450 Wp of panels at 70°, versus 530 Wp at 37°. The steep array is 15% smaller for the same winter. Size your own system.
Row spacing in Huyanghe
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.
6.2 mrow pitch at 70°
5.2 mrow pitch at 37°
How Huyanghe compares in China
Against the other 2,094 places in China with climate data, for a fixed array at its best angle.
369thof 2,095 places in China for sunshine, shared: 4.21 peak sun hours a day on flat ground.
+21%solar energy a year compared with the average place in China: 1,520 against 1,262 kWh per kWp.
+1 h 24 mindaylight on the longest day, compared with Shanghai: 15 h 35 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); Huyanghe ranks joint 369th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.61 kWh a day here, against 2.06 kWh on average in China. The shortest day lasts 8 h 48 min, −1 h 19 min compared with Shanghai.
Solar forecast for Huyanghe, 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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A free, live card for Huyanghe: 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.