Guangdong · China · 25.12° N · 114.30° E
Solar position in Xiongzhou
Sun position, daylight and the best solar panel angle for Xiongzhou — computed for 25.12° N, 114.30° E, 119 m above sea level.
The sun right now
Sun in Xiongzhou today
Sunday, 25 October 2026 · local time UTC+8
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:09 | sun 18° below horizon |
| Nautical dawn | 05:35 | 12° below |
| Civil dawn | 06:02 | 6° below |
| Sunrise | 06:26 | 103° ESE |
| Golden hour ends | 06:57 | sun 6° up |
| Solar noon | 12:06 | 52.8° high |
| Golden hour starts | 17:16 | sun 6° up |
| Sunset | 17:47 | 257° WSW |
| Civil dusk | 18:10 | 6° below |
| Nautical dusk | 18:37 | 12° below |
| Astronomical dusk | 19:04 | 18° below |
| Day length | 11 h 21 min | |
Sun path diagram for Xiongzhou
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 88.3° at solar noon in Xiongzhou; on the December solstice only 41.5°. Sunrise swings from 64° ENE in June to 116° ESE in December — a 52° 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 | 07:09 | 12:34 | 17:59 | 10 h 50 min | 45.0° |
| February | 06:52 | 12:36 | 18:20 | 11 h 27 min | 54.3° |
| March | 06:26 | 12:30 | 18:34 | 12 h 08 min | 65.1° |
| April | 05:55 | 12:21 | 18:48 | 12 h 53 min | 76.7° |
| May | 05:35 | 12:19 | 19:03 | 13 h 27 min | 85.1° |
| June | 05:33 | 12:24 | 19:15 | 13 h 42 min | 88.3° |
| July | 05:44 | 12:29 | 19:13 | 13 h 29 min | 85.4° |
| August | 05:59 | 12:25 | 18:52 | 12 h 54 min | 77.0° |
| September | 06:10 | 12:15 | 18:20 | 12 h 10 min | 65.6° |
| October | 06:23 | 12:07 | 17:50 | 11 h 27 min | 54.2° |
| November | 06:43 | 12:08 | 17:33 | 10 h 50 min | 45.0° |
| December | 07:03 | 12:20 | 17:37 | 10 h 35 min | 41.5° |
A year of daylight in Xiongzhou
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 Xiongzhou
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
22°collects the most energy over a year: 1113 kWh per kWp.
23°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 | March kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1051 | 94% | 2.23 | 2.1× |
| 15° | 1107 | 99% | 2.35 | 1.7× |
| 22° year-round best | 1113 | 100% | 2.36 | 1.6× |
| 23° off-grid best | 1113 | 100% | 2.36 | 1.6× |
| 25° = latitude | 1112 | 100% | 2.36 | 1.6× |
| 30° | 1105 | 99% | 2.35 | 1.6× |
| 45° | 1045 | 94% | 2.23 | 1.6× |
| 60° | 931 | 84% | 2.00 | 1.6× |
| 70° | 830 | 75% | 1.80 | 1.8× |
| 90° | 593 | 53% | 1.30 | 2.4× |
A fixed array in Xiongzhou produces the most over a year at 22°. The design month for an off-grid system is March: at 23° it makes 2.36 kWh per kWp a day, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Xiongzhou at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 22° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 22° | Mean temp. |
|---|---|---|---|---|---|
| January | 2.39 | 2.75 | 2.40 | 2.44 | 7.7 °C |
| February | 2.57 | 2.44 | 2.09 | 2.41 | 10.9 °C |
| March | 2.73 | 2.15 | 1.80 | 2.36 | 14.6 °C |
| April | 3.31 | 2.15 | 1.77 | 2.67 | 19.3 °C |
| May | 3.84 | 2.12 | 1.71 | 2.94 | 23.1 °C |
| June | 4.17 | 2.13 | 1.70 | 3.10 | 25.3 °C |
| July | 5.19 | 2.52 | 2.01 | 3.86 | 26.6 °C |
| August | 4.90 | 2.82 | 2.27 | 3.81 | 26.4 °C |
| September | 4.22 | 3.07 | 2.50 | 3.51 | 24.1 °C |
| October | 3.80 | 3.54 | 2.96 | 3.49 | 19.6 °C |
| November | 3.03 | 3.51 | 3.00 | 3.06 | 14.7 °C |
| December | 2.68 | 3.50 | 3.05 | 2.90 | 8.7 °C |
| Year | 3.58 avg | 2.73 avg | 830 kWh | 1113 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 700 Wp of panels at 70°, versus 500 Wp at 22°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Xiongzhou
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.
3.1 mrow pitch at 70°
2.8 mrow pitch at 22°
How Xiongzhou compares in China
Against the other 2,094 places in China with climate data, for a fixed array at its best angle.
1351stof 2,095 places in China for sunshine, shared: 3.58 peak sun hours a day on flat ground.
−12%solar energy a year compared with the average place in China: 1,113 against 1,262 kWh per kWp.
−29 mindaylight on the longest day, compared with Shanghai: 13 h 42 min against 14 h 11 min.
22°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); Xiongzhou ranks joint 1351st. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.70 kWh a day here, against 2.06 kWh on average in China. The shortest day lasts 10 h 35 min, +27 min compared with Shanghai.
Solar forecast for Xiongzhou, 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 Xiongzhou
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Places near Xiongzhou
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A free, live card for Xiongzhou: 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.