Xinjiang · China · 43.85° N · 81.78° E
Solar position in Onyar
Sun position, daylight and the best solar panel angle for Onyar — computed for 43.85° N, 81.78° E, 769 m above sea level.
The sun right now
Sun in Onyar today
Saturday, 24 October 2026 · local time UTC+6
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:21 | sun 18° below horizon |
| Nautical dawn | 05:55 | 12° below |
| Civil dawn | 06:28 | 6° below |
| Sunrise | 06:58 | 105° ESE |
| Golden hour ends | 07:38 | sun 6° up |
| Solar noon | 12:16 | 34.4° high |
| Golden hour starts | 16:55 | sun 6° up |
| Sunset | 17:35 | 254° WSW |
| Civil dusk | 18:04 | 6° below |
| Nautical dusk | 18:38 | 12° below |
| Astronomical dusk | 19:11 | 18° below |
| Day length | 10 h 37 min | |
Sun path diagram for Onyar
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 69.6° at solar noon in Onyar; on the December solstice only 22.7°. Sunrise swings from 56° NE in June to 123° ESE in December — a 67° 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 | 08:00 | 12:44 | 17:28 | 9 h 28 min | 26.3° |
| February | 07:23 | 12:46 | 18:10 | 10 h 47 min | 35.6° |
| March | 06:34 | 12:40 | 18:46 | 12 h 11 min | 46.4° |
| April | 05:40 | 12:31 | 19:23 | 13 h 43 min | 58.0° |
| May | 05:01 | 12:29 | 19:57 | 14 h 56 min | 66.4° |
| June | 04:50 | 12:34 | 20:18 | 15 h 28 min | 69.6° |
| July | 05:09 | 12:39 | 20:08 | 14 h 59 min | 66.6° |
| August | 05:43 | 12:35 | 19:27 | 13 h 44 min | 58.2° |
| September | 06:18 | 12:25 | 18:32 | 12 h 14 min | 46.8° |
| October | 06:54 | 12:17 | 17:40 | 10 h 46 min | 35.5° |
| November | 07:34 | 12:18 | 17:02 | 9 h 28 min | 26.3° |
| December | 08:03 | 12:30 | 16:57 | 8 h 54 min | 22.7° |
A year of daylight in Onyar
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 Onyar
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
39°collects the most energy over a year: 1605 kWh per kWp.
66°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 | November kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1303 | 81% | 1.63 | 3.7× |
| 15° | 1488 | 93% | 2.28 | 2.5× |
| 30° | 1588 | 99% | 2.80 | 1.9× |
| 39° year-round best | 1605 | 100% | 3.04 | 1.7× |
| 44° = latitude | 1600 | 100% | 3.14 | 1.6× |
| 45° | 1598 | 100% | 3.16 | 1.6× |
| 60° | 1520 | 95% | 3.33 | 1.4× |
| 66° off-grid best | 1464 | 91% | 3.34 | 1.4× |
| 70° | 1420 | 88% | 3.34 | 1.4× |
| 90° | 1127 | 70% | 3.09 | 2.1× |
A fixed array in Onyar produces the most over a year at 39°. The design month for an off-grid system is November: at 66° it makes 3.34 kWh per kWp a day, 10% more than at 39°, and costs 9% of the yearly total. Why steep panels win winter.
Off-grid solar in Onyar at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 39° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 39° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 2.18 | 4.62 | 4.30 | 3.74 | -7.8 °C |
| February snow | 3.11 | 5.01 | 4.61 | 4.30 | -4.6 °C |
| March | 4.12 | 4.68 | 4.19 | 4.58 | 2.5 °C |
| April | 5.13 | 4.45 | 3.88 | 4.80 | 9.1 °C |
| May | 6.32 | 4.31 | 3.67 | 5.12 | 14.5 °C |
| June | 6.50 | 3.96 | 3.30 | 4.87 | 19.2 °C |
| July | 6.53 | 4.14 | 3.42 | 4.95 | 21.6 °C |
| August | 5.95 | 4.63 | 3.86 | 5.06 | 20.5 °C |
| September | 4.85 | 5.18 | 4.42 | 5.03 | 15.0 °C |
| October | 3.29 | 4.76 | 4.18 | 4.22 | 7.5 °C |
| November snow | 1.97 | 3.69 | 3.34 | 3.04 | 0.0 °C |
| December snow | 1.73 | 3.88 | 3.58 | 3.07 | -6.1 °C |
| Year | 4.31 avg | 4.44 avg | 1420 kWh | 1605 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 360 Wp of panels at 70°, versus 390 Wp at 39°. The steep array is 8% smaller for the same winter. Size your own system.
Row spacing in Onyar
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.
6.0 mrow pitch at 70°
5.1 mrow pitch at 39°
How Onyar compares in China
Against the other 2,094 places in China with climate data, for a fixed array at its best angle.
308thof 2,095 places in China for sunshine, shared: 4.31 peak sun hours a day on flat ground.
+27%solar energy a year compared with the average place in China: 1,605 against 1,262 kWh per kWp.
+1 h 17 mindaylight on the longest day, compared with Shanghai: 15 h 28 min against 14 h 11 min.
39°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); Onyar ranks joint 308th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 3.30 kWh a day here, against 2.06 kWh on average in China. The shortest day lasts 8 h 54 min, −1 h 13 min compared with Shanghai.
Solar forecast for Onyar, 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 Onyar
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Places near Onyar
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A free, live card for Onyar: 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.