Gansu · China · 34.91° N · 105.08° E
Solar position in Lixin
Sun position, daylight and the best solar panel angle for Lixin — computed for 34.91° N, 105.08° E, 1562 m above sea level.
The sun right now
Sun in Lixin today
Sunday, 25 October 2026 · local time UTC+8
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:49 | sun 18° below horizon |
| Nautical dawn | 06:18 | 12° below |
| Civil dawn | 06:47 | 6° below |
| Sunrise | 07:13 | 104° ESE |
| Golden hour ends | 07:48 | sun 6° up |
| Solar noon | 12:43 | 43.0° high |
| Golden hour starts | 17:38 | sun 6° up |
| Sunset | 18:13 | 256° WSW |
| Civil dusk | 18:39 | 6° below |
| Nautical dusk | 19:08 | 12° below |
| Astronomical dusk | 19:38 | 18° below |
| Day length | 11 h 00 min | |
Sun path diagram for Lixin
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 78.5° at solar noon in Lixin; on the December solstice only 31.7°. Sunrise swings from 60° ENE in June to 118° ESE in December — a 58° 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 | 08:05 | 13:11 | 18:17 | 10 h 12 min | 35.2° |
| February | 07:39 | 13:13 | 18:47 | 11 h 08 min | 44.5° |
| March | 07:02 | 13:07 | 19:11 | 12 h 09 min | 55.3° |
| April | 06:20 | 12:58 | 19:36 | 13 h 16 min | 67.0° |
| May | 05:52 | 12:56 | 20:00 | 14 h 08 min | 75.3° |
| June | 05:46 | 13:01 | 20:16 | 14 h 30 min | 78.5° |
| July | 06:01 | 13:06 | 20:10 | 14 h 10 min | 75.6° |
| August | 06:24 | 13:02 | 19:41 | 13 h 17 min | 67.2° |
| September | 06:46 | 12:52 | 18:58 | 12 h 12 min | 55.8° |
| October | 07:10 | 12:44 | 18:17 | 11 h 08 min | 44.4° |
| November | 07:39 | 12:45 | 17:51 | 10 h 12 min | 35.2° |
| December | 08:03 | 12:57 | 17:51 | 9 h 49 min | 31.7° |
A year of daylight in Lixin
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 Lixin
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
33°collects the most energy over a year: 1425 kWh per kWp.
28°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 | September kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1247 | 87% | 2.97 | 2.1× |
| 15° | 1372 | 96% | 3.19 | 1.5× |
| 28° off-grid best | 1421 | 100% | 3.25 | 1.4× |
| 30° | 1424 | 100% | 3.25 | 1.4× |
| 33° year-round best | 1425 | 100% | 3.24 | 1.4× |
| 35° = latitude | 1424 | 100% | 3.23 | 1.4× |
| 45° | 1399 | 98% | 3.14 | 1.4× |
| 60° | 1300 | 91% | 2.85 | 1.5× |
| 70° | 1196 | 84% | 2.58 | 1.8× |
| 90° | 921 | 65% | 1.88 | 2.9× |
A fixed array in Lixin produces the most over a year at 33°. The design month for an off-grid system is September: at 28° it makes 3.25 kWh per kWp a day, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Lixin at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 33° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 33° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 2.71 | 4.54 | 4.18 | 3.71 | -4.8 °C |
| February snow | 3.36 | 4.30 | 3.91 | 3.93 | -1.6 °C |
| March | 4.33 | 4.18 | 3.72 | 4.37 | 3.4 °C |
| April | 5.21 | 3.83 | 3.33 | 4.55 | 9.2 °C |
| May | 5.55 | 3.29 | 2.79 | 4.35 | 13.8 °C |
| June | 5.51 | 2.98 | 2.48 | 4.07 | 18.0 °C |
| July | 5.33 | 2.98 | 2.46 | 3.97 | 20.0 °C |
| August | 4.86 | 3.23 | 2.69 | 3.91 | 18.9 °C |
| September | 3.60 | 3.04 | 2.58 | 3.24 | 14.0 °C |
| October | 3.16 | 3.49 | 3.04 | 3.34 | 8.3 °C |
| November | 2.81 | 4.19 | 3.76 | 3.62 | 1.9 °C |
| December snow | 2.58 | 4.81 | 4.41 | 3.79 | -3.7 °C |
| Year | 4.09 avg | 3.74 avg | 1196 kWh | 1425 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 480 Wp of panels at 70°, versus 360 Wp at 33°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Lixin
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.
4.1 mrow pitch at 70°
3.7 mrow pitch at 33°
How Lixin compares in China
Against the other 2,094 places in China with climate data, for a fixed array at its best angle.
429thof 2,095 places in China for sunshine, shared: 4.09 peak sun hours a day on flat ground.
+13%solar energy a year compared with the average place in China: 1,425 against 1,262 kWh per kWp.
+20 mindaylight on the longest day, compared with Shanghai: 14 h 30 min against 14 h 11 min.
33°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); Lixin ranks joint 429th. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 2.46 kWh a day here, against 2.06 kWh on average in China. The shortest day lasts 9 h 49 min, −19 min compared with Shanghai.
Solar forecast for Lixin, 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 Lixin
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A free, live card for Lixin: 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.