Tibet · China · 29.65° N · 91.10° E
Solar position in Lhasa
Sun position, daylight and the best solar panel angle for Lhasa — computed for 29.65° N, 91.10° E, 3651 m above sea level.
The sun right now
Sun in Lhasa today
Sunday, 25 October 2026 · local time UTC+8
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 06:43 | sun 18° below horizon |
| Nautical dawn | 07:11 | 12° below |
| Civil dawn | 07:39 | 6° below |
| Sunrise | 08:03 | 103° ESE |
| Golden hour ends | 08:36 | sun 6° up |
| Solar noon | 13:39 | 48.3° high |
| Golden hour starts | 18:42 | sun 6° up |
| Sunset | 19:15 | 256° WSW |
| Civil dusk | 19:39 | 6° below |
| Nautical dusk | 20:07 | 12° below |
| Astronomical dusk | 20:35 | 18° below |
| Day length | 11 h 12 min | |
Sun path diagram for Lhasa
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 83.8° at solar noon in Lhasa; on the December solstice only 36.9°. Sunrise swings from 62° ENE in June to 117° ESE in December — a 54° 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 | 08:50 | 14:06 | 19:23 | 10 h 33 min | 40.5° |
| February | 08:29 | 14:09 | 19:48 | 11 h 19 min | 49.8° |
| March | 07:58 | 14:02 | 20:07 | 12 h 09 min | 60.6° |
| April | 07:23 | 13:54 | 20:25 | 13 h 03 min | 72.2° |
| May | 06:59 | 13:52 | 20:44 | 13 h 45 min | 80.5° |
| June | 06:55 | 13:57 | 20:58 | 14 h 03 min | 83.8° |
| July | 07:08 | 14:02 | 20:55 | 13 h 46 min | 80.8° |
| August | 07:26 | 13:58 | 20:30 | 13 h 04 min | 72.4° |
| September | 07:43 | 13:48 | 19:53 | 12 h 11 min | 61.0° |
| October | 08:00 | 13:40 | 19:19 | 11 h 18 min | 49.7° |
| November | 08:24 | 13:41 | 18:57 | 10 h 33 min | 40.4° |
| December | 08:46 | 13:53 | 19:00 | 10 h 15 min | 36.9° |
A year of daylight in Lhasa
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 Lhasa
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
34°collects the most energy over a year: 2092 kWh per kWp.
18°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° | 1795 | 86% | 5.47 | 1.6× |
| 15° | 1996 | 95% | 5.34 | 1.1× |
| 18° off-grid best | 2024 | 97% | 5.28 | 1.1× |
| 30° = latitude | 2087 | 100% | 4.92 | 1.3× |
| 34° year-round best | 2092 | 100% | 4.77 | 1.4× |
| 45° | 2062 | 99% | 4.27 | 1.7× |
| 60° | 1928 | 92% | 3.43 | 2.2× |
| 70° | 1783 | 85% | 2.80 | 2.7× |
| 90° | 1393 | 67% | 1.60 | 4.6× |
A fixed array in Lhasa produces the most over a year at 34°. The design month for an off-grid system is July: at 18° it makes 5.28 kWh per kWp a day, 11% more than at 34°, and costs 3% of the yearly total. Why steep panels win winter.
Off-grid solar in Lhasa at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 34° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 34° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 4.34 | 7.69 | 7.12 | 6.38 | -8.3 °C |
| February snow | 5.14 | 7.19 | 6.62 | 6.45 | -5.7 °C |
| March snow | 5.90 | 5.78 | 5.26 | 6.10 | -1.9 °C |
| April | 6.43 | 4.22 | 3.78 | 5.53 | 2.0 °C |
| May | 6.81 | 3.51 | 3.08 | 5.20 | 6.1 °C |
| June | 7.01 | 3.25 | 2.79 | 5.03 | 9.9 °C |
| July | 6.47 | 3.26 | 2.80 | 4.77 | 10.2 °C |
| August | 6.26 | 3.75 | 3.26 | 5.00 | 9.3 °C |
| September | 5.77 | 4.53 | 3.98 | 5.24 | 7.1 °C |
| October | 5.38 | 5.99 | 5.37 | 5.98 | 2.1 °C |
| November snow | 4.75 | 7.99 | 7.23 | 6.61 | -2.4 °C |
| December snow | 4.21 | 8.13 | 7.45 | 6.51 | -6.3 °C |
| Year | 5.71 avg | 5.43 avg | 1783 kWh | 2092 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 420 Wp of panels at 70°, versus 250 Wp at 34°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Lhasa
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.
3.5 mrow pitch at 70°
3.3 mrow pitch at 34°
How Lhasa compares in China
Against the other 2,094 places in China with climate data, for a fixed array at its best angle.
6thof 2,095 places in China for sunshine: 5.71 peak sun hours a day on flat ground.
+66%solar energy a year compared with the average place in China: 2,092 against 1,262 kWh per kWp.
−8 mindaylight on the longest day, compared with Shanghai: 14 h 03 min against 14 h 11 min.
34°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); Lhasa ranks 6th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 2.79 kWh a day here, against 2.06 kWh on average in China. The shortest day lasts 10 h 15 min, +7 min compared with Shanghai.
Solar forecast for Lhasa, 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 Lhasa
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A free, live card for Lhasa: 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.