Xinjiang · China · 40.54° N · 81.27° E
Solar position in Ālā'ĕr
Sun position, daylight and the best solar panel angle for Ālā'ĕr — computed for 40.54° N, 81.27° E, 1014 m above sea level.
The sun right now
Sun in Ālā'ĕr today
Sunday, 25 October 2026 · local time UTC+6
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:25 | sun 18° below horizon |
| Nautical dawn | 05:56 | 12° below |
| Civil dawn | 06:28 | 6° below |
| Sunrise | 06:56 | 105° ESE |
| Golden hour ends | 07:34 | sun 6° up |
| Solar noon | 12:18 | 37.4° high |
| Golden hour starts | 17:03 | sun 6° up |
| Sunset | 17:40 | 255° WSW |
| Civil dusk | 18:08 | 6° below |
| Nautical dusk | 18:40 | 12° below |
| Astronomical dusk | 19:12 | 18° below |
| Day length | 10 h 44 min | |
Sun path diagram for Ālā'ĕr
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 72.9° at solar noon in Ālā'ĕr; on the December solstice only 26.0°. Sunrise swings from 58° ENE in June to 121° ESE in December — a 63° 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 | 07:53 | 12:46 | 17:39 | 9 h 46 min | 29.6° |
| February | 07:20 | 12:48 | 18:16 | 10 h 56 min | 38.9° |
| March | 06:37 | 12:42 | 18:47 | 12 h 10 min | 49.7° |
| April | 05:48 | 12:33 | 19:19 | 13 h 32 min | 61.3° |
| May | 05:13 | 12:31 | 19:50 | 14 h 37 min | 69.7° |
| June | 05:04 | 12:36 | 20:08 | 15 h 05 min | 72.9° |
| July | 05:21 | 12:41 | 20:00 | 14 h 39 min | 69.9° |
| August | 05:51 | 12:38 | 19:24 | 13 h 33 min | 61.5° |
| September | 06:21 | 12:27 | 18:34 | 12 h 13 min | 50.1° |
| October | 06:52 | 12:19 | 17:46 | 10 h 54 min | 38.8° |
| November | 07:27 | 12:20 | 17:13 | 9 h 45 min | 29.6° |
| December | 07:54 | 12:32 | 17:11 | 9 h 16 min | 26.0° |
A year of daylight in Ālā'ĕr
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 Ālā'ĕr
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
38°collects the most energy over a year: 1697 kWh per kWp.
53°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° | 1399 | 82% | 1.80 | 3.0× |
| 15° | 1587 | 94% | 2.67 | 2.1× |
| 30° | 1684 | 99% | 3.40 | 1.6× |
| 38° year-round best | 1697 | 100% | 3.72 | 1.4× |
| 41° = latitude | 1695 | 100% | 3.82 | 1.3× |
| 45° | 1686 | 99% | 3.94 | 1.3× |
| 53° off-grid best | 1648 | 97% | 4.14 | 1.2× |
| 60° | 1593 | 94% | 4.25 | 1.3× |
| 70° | 1482 | 87% | 4.33 | 1.5× |
| 90° | 1160 | 68% | 4.14 | 2.2× |
A fixed array in Ālā'ĕr produces the most over a year at 38°. The design month for an off-grid system is December: at 53° it makes 4.14 kWh per kWp a day, 11% more than at 38°, and costs 3% of the yearly total. Why steep panels win winter.
Off-grid solar in Ālā'ĕr at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 38° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 38° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 2.38 | 4.68 | 4.34 | 3.82 | -6.9 °C |
| February snow | 3.40 | 5.14 | 4.67 | 4.54 | -1.4 °C |
| March | 4.70 | 5.16 | 4.54 | 5.05 | 7.4 °C |
| April | 5.87 | 4.79 | 4.07 | 5.19 | 16.2 °C |
| May | 6.64 | 4.30 | 3.55 | 5.11 | 21.9 °C |
| June | 6.88 | 3.95 | 3.20 | 4.90 | 26.7 °C |
| July | 6.71 | 4.00 | 3.21 | 4.83 | 28.8 °C |
| August | 5.92 | 4.34 | 3.51 | 4.74 | 27.6 °C |
| September | 5.09 | 5.00 | 4.16 | 4.89 | 21.4 °C |
| October | 4.01 | 5.45 | 4.68 | 4.82 | 13.0 °C |
| November | 2.79 | 5.05 | 4.51 | 4.21 | 3.3 °C |
| December snow | 2.16 | 4.69 | 4.33 | 3.72 | -5.1 °C |
| Year | 4.72 avg | 4.71 avg | 1482 kWh | 1697 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 320 Wp at 38°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Ālā'ĕr
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.
5.1 mrow pitch at 70°
4.5 mrow pitch at 38°
How Ālā'ĕr compares in China
Against the other 2,094 places in China with climate data, for a fixed array at its best angle.
123rdof 2,095 places in China for sunshine, shared: 4.72 peak sun hours a day on flat ground.
+35%solar energy a year compared with the average place in China: 1,697 against 1,262 kWh per kWp.
+54 mindaylight on the longest day, compared with Shanghai: 15 h 05 min against 14 h 11 min.
38°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); Ālā'ĕr ranks joint 123rd. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 3.20 kWh a day here, against 2.06 kWh on average in China. The shortest day lasts 9 h 16 min, −51 min compared with Shanghai.
Solar forecast for Ālā'ĕr, 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 Ālā'ĕr
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Places near Ālā'ĕr
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A free, live card for Ālā'ĕr: 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.