Bolivia · 17.97° S · 67.09° W
Solar position in Oruro
Sun position, daylight and the best solar panel angle for Oruro — computed for 17.97° S, 67.09° W, 3885 m above sea level.
The sun right now
Sun in Oruro today
Saturday, 24 October 2026 · local time UTC−4
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:38 | sun 18° below horizon |
| Nautical dawn | 05:04 | 12° below |
| Civil dawn | 05:31 | 6° below |
| Sunrise | 05:53 | 103° ESE |
| Golden hour ends | 06:22 | sun 6° up |
| Solar noon | 12:12 | 83.9° high |
| Golden hour starts | 18:02 | sun 6° up |
| Sunset | 18:31 | 257° WSW |
| Civil dusk | 18:54 | 6° below |
| Nautical dusk | 19:20 | 12° below |
| Astronomical dusk | 19:47 | 18° below |
| Day length | 12 h 38 min | |
Sun path diagram for Oruro
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 48.6° at solar noon in Oruro; on the December solstice only 84.5°. Sunrise swings from 66° ENE in June to 115° ESE in December — a 49° 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 | 06:08 | 12:39 | 19:10 | 13 h 01 min | 88.2° |
| February | 06:24 | 12:41 | 18:58 | 12 h 34 min | 82.4° |
| March | 06:32 | 12:35 | 18:38 | 12 h 06 min | 71.6° |
| April | 06:39 | 12:26 | 18:14 | 11 h 35 min | 60.0° |
| May | 06:48 | 12:24 | 18:01 | 11 h 12 min | 51.8° |
| June | 06:58 | 12:30 | 18:01 | 11 h 03 min | 48.6° |
| July | 06:58 | 12:34 | 18:10 | 11 h 12 min | 51.7° |
| August | 06:43 | 12:31 | 18:19 | 11 h 36 min | 60.1° |
| September | 06:18 | 12:21 | 18:24 | 12 h 05 min | 71.5° |
| October | 05:55 | 12:13 | 18:30 | 12 h 36 min | 82.9° |
| November | 05:43 | 12:14 | 18:45 | 13 h 02 min | 88.0° |
| December | 05:50 | 12:26 | 19:02 | 13 h 13 min | 84.5° |
A year of daylight in Oruro
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 Oruro
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
21°collects the most energy over a year: 2061 kWh per kWp.
11°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 | January kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1939 | 94% | 5.43 | 1.4× |
| 11° off-grid best | 2033 | 99% | 5.21 | 1.2× |
| 15° | 2051 | 99% | 5.09 | 1.2× |
| 18° = latitude | 2059 | 100% | 4.99 | 1.2× |
| 21° year-round best | 2061 | 100% | 4.88 | 1.3× |
| 30° | 2041 | 99% | 4.49 | 1.4× |
| 45° | 1911 | 93% | 3.67 | 1.8× |
| 60° | 1673 | 81% | 2.70 | 2.5× |
| 70° | 1464 | 71% | 2.05 | 3.3× |
| 90° | 1013 | 49% | 1.30 | 4.6× |
A fixed array in Oruro produces the most over a year at 21°. The design month for an off-grid system is January: at 11° it makes 5.21 kWh per kWp a day, 7% more than at 21°, and costs 1% of the yearly total. Why steep panels win winter.
Off-grid solar in Oruro at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 21° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 21° | Mean temp. |
|---|---|---|---|---|---|
| January | 6.43 | 2.41 | 2.05 | 4.88 | 11.0 °C |
| February | 6.32 | 3.04 | 2.61 | 5.08 | 10.8 °C |
| March | 6.31 | 4.04 | 3.50 | 5.46 | 10.6 °C |
| April | 6.07 | 5.50 | 4.80 | 5.84 | 9.5 °C |
| May | 5.63 | 6.71 | 5.91 | 6.01 | 7.1 °C |
| June | 5.22 | 7.05 | 6.23 | 5.87 | 5.9 °C |
| July | 5.37 | 6.86 | 6.07 | 5.91 | 5.5 °C |
| August | 6.05 | 6.24 | 5.51 | 6.15 | 6.8 °C |
| September | 6.54 | 4.82 | 4.22 | 5.95 | 8.7 °C |
| October | 7.14 | 3.56 | 3.08 | 5.88 | 10.5 °C |
| November | 7.47 | 2.55 | 2.17 | 5.65 | 11.7 °C |
| December | 6.86 | 2.22 | 1.87 | 5.06 | 11.7 °C |
| Year | 6.28 avg | 4.59 avg | 1464 kWh | 2061 kWh |
Sizing example. To run a 1 kWh-per-day load through December on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 630 Wp of panels at 70°, versus 240 Wp at 21°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Oruro
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.
2.5 mrow pitch at 70°
2.6 mrow pitch at 21°
How Oruro compares in Bolivia
Against the other 38 places in Bolivia with climate data, for a fixed array at its best angle.
4thof 39 places in Bolivia for sunshine: 6.28 peak sun hours a day on flat ground.
+23%solar energy a year compared with the average place in Bolivia: 2,061 against 1,680 kWh per kWp.
+6 mindaylight on the longest day, compared with La Paz: 13 h 13 min against 13 h 07 min.
21°best year-round tilt here; across Bolivia it runs from 14° in Riberalta to 25° in Villazón.
Of the 39 places in Bolivia, Tupiza gets the most sun (6.59 peak sun hours a day) and Villa Yapacaní the least (4.60); Oruro ranks 4th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.87 kWh a day here, against 1.69 kWh on average in Bolivia. The shortest day lasts 11 h 03 min, −6 min compared with La Paz.
Solar forecast for Oruro, 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 Oruro
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Places near Oruro
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A free, live card for Oruro: 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.