Ningxia · China · 38.98° N · 106.39° E
Solar position in Shizuishan
Sun position, daylight and the best solar panel angle for Shizuishan — computed for 38.98° N, 106.39° E, 1112 m above sea level.
The sun right now
Sun in Shizuishan today
Sunday, 25 October 2026 · local time UTC+8
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:44 | sun 18° below horizon |
| Nautical dawn | 06:15 | 12° below |
| Civil dawn | 06:46 | 6° below |
| Sunrise | 07:13 | 105° ESE |
| Golden hour ends | 07:50 | sun 6° up |
| Solar noon | 12:38 | 38.9° high |
| Golden hour starts | 17:25 | sun 6° up |
| Sunset | 18:02 | 255° WSW |
| Civil dusk | 18:30 | 6° below |
| Nautical dusk | 19:01 | 12° below |
| Astronomical dusk | 19:32 | 18° below |
| Day length | 10 h 49 min | |
Sun path diagram for Shizuishan
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 74.5° at solar noon in Shizuishan; on the December solstice only 27.6°. Sunrise swings from 58° ENE in June to 120° ESE in December — a 62° 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 | 08:09 | 13:05 | 18:02 | 9 h 53 min | 31.1° |
| February | 07:38 | 13:08 | 18:37 | 10 h 59 min | 40.5° |
| March | 06:57 | 13:01 | 19:06 | 12 h 10 min | 51.3° |
| April | 06:10 | 12:53 | 19:37 | 13 h 27 min | 62.9° |
| May | 05:37 | 12:51 | 20:05 | 14 h 28 min | 71.2° |
| June | 05:28 | 12:56 | 20:23 | 14 h 54 min | 74.5° |
| July | 05:45 | 13:00 | 20:15 | 14 h 30 min | 71.5° |
| August | 06:12 | 12:57 | 19:41 | 13 h 29 min | 63.1° |
| September | 06:40 | 12:47 | 18:53 | 12 h 13 min | 51.7° |
| October | 07:09 | 12:38 | 18:08 | 10 h 58 min | 40.3° |
| November | 07:43 | 12:40 | 17:36 | 9 h 53 min | 31.1° |
| December | 08:09 | 12:52 | 17:35 | 9 h 26 min | 27.6° |
A year of daylight in Shizuishan
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 Shizuishan
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: 1795 kWh per kWp.
38°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 | July kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1459 | 81% | 5.05 | 2.6× |
| 15° | 1666 | 93% | 5.08 | 1.8× |
| 30° | 1777 | 99% | 4.83 | 1.3× |
| 38° off-grid best | 1795 | 100% | 4.59 | 1.2× |
| 39° year-round best = latitude | 1795 | 100% | 4.55 | 1.2× |
| 45° | 1787 | 100% | 4.32 | 1.3× |
| 60° | 1696 | 94% | 3.59 | 1.6× |
| 70° | 1583 | 88% | 3.02 | 1.9× |
| 90° | 1252 | 70% | 1.78 | 2.9× |
A fixed array in Shizuishan produces the most over a year at 39°. The design month for an off-grid system is July: at 38° it makes 4.59 kWh per kWp a day, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Shizuishan 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 | 2.79 | 5.74 | 5.34 | 4.73 | -8.3 °C |
| February snow | 3.79 | 6.11 | 5.59 | 5.29 | -3.7 °C |
| March | 5.06 | 5.58 | 4.98 | 5.58 | 2.9 °C |
| April | 6.13 | 4.88 | 4.23 | 5.48 | 10.5 °C |
| May | 6.82 | 4.24 | 3.57 | 5.23 | 17.1 °C |
| June | 6.75 | 3.75 | 3.08 | 4.78 | 22.8 °C |
| July | 6.33 | 3.71 | 3.02 | 4.55 | 25.1 °C |
| August | 5.75 | 4.08 | 3.36 | 4.60 | 23.0 °C |
| September | 4.80 | 4.54 | 3.85 | 4.59 | 16.8 °C |
| October | 4.11 | 5.43 | 4.74 | 4.96 | 9.0 °C |
| November snow | 3.04 | 5.61 | 5.06 | 4.68 | 0.4 °C |
| December snow | 2.54 | 5.73 | 5.31 | 4.60 | -7.0 °C |
| Year | 4.83 avg | 4.94 avg | 1583 kWh | 1795 kWh |
Sizing example. To run a 1 kWh-per-day load through July on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 390 Wp of panels at 70°, versus 260 Wp at 39°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Shizuishan
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.
4.8 mrow pitch at 70°
4.3 mrow pitch at 39°
How Shizuishan compares in China
Against the other 2,094 places in China with climate data, for a fixed array at its best angle.
89thof 2,095 places in China for sunshine, shared: 4.83 peak sun hours a day on flat ground.
+42%solar energy a year compared with the average place in China: 1,796 against 1,262 kWh per kWp.
+44 mindaylight on the longest day, compared with Shanghai: 14 h 54 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); Shizuishan ranks joint 89th. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 3.02 kWh a day here, against 2.06 kWh on average in China. The shortest day lasts 9 h 26 min, −41 min compared with Shanghai.
Solar forecast for Shizuishan, 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 Shizuishan
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Places near Shizuishan
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A free, live card for Shizuishan: 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.