Chinandega Department · Nicaragua · 12.66° N · 87.17° W
Solar position in El Viejo
Sun position, daylight and the best solar panel angle for El Viejo — computed for 12.66° N, 87.17° W, 49 m above sea level.
The sun right now
Sun in El Viejo today
Saturday, 24 October 2026 · local time UTC−6
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:28 | sun 18° below horizon |
| Nautical dawn | 04:53 | 12° below |
| Civil dawn | 05:18 | 6° below |
| Sunrise | 05:40 | 102° ESE |
| Golden hour ends | 06:08 | sun 6° up |
| Solar noon | 11:32 | 65.4° high |
| Golden hour starts | 16:56 | sun 6° up |
| Sunset | 17:25 | 258° WSW |
| Civil dusk | 17:46 | 6° below |
| Nautical dusk | 18:11 | 12° below |
| Astronomical dusk | 18:36 | 18° below |
| Day length | 11 h 45 min | |
Sun path diagram for El Viejo
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 79.2° at solar noon in El Viejo; on the December solstice only 53.9°. Sunrise swings from 66° ENE in June to 114° ESE in December — a 48° 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 | 06:14 | 12:00 | 17:45 | 11 h 30 min | 57.6° |
| February | 06:08 | 12:02 | 17:56 | 11 h 48 min | 67.0° |
| March | 05:52 | 11:55 | 17:59 | 12 h 07 min | 77.8° |
| April | 05:32 | 11:47 | 18:01 | 12 h 29 min | 89.4° |
| May | 05:22 | 11:45 | 18:08 | 12 h 45 min | 82.4° |
| June | 05:24 | 11:50 | 18:16 | 12 h 52 min | 79.2° |
| July | 05:32 | 11:55 | 18:17 | 12 h 46 min | 82.3° |
| August | 05:37 | 11:51 | 18:05 | 12 h 29 min | 89.3° |
| September | 05:37 | 11:41 | 17:45 | 12 h 08 min | 77.8° |
| October | 05:39 | 11:33 | 17:26 | 11 h 47 min | 66.5° |
| November | 05:49 | 11:34 | 17:19 | 11 h 30 min | 57.3° |
| December | 06:05 | 11:46 | 17:28 | 11 h 23 min | 53.9° |
A year of daylight in El Viejo
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 El Viejo
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
15°collects the most energy over a year: 1721 kWh per kWp.
6°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 | June kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1670 | 97% | 4.41 | 1.3× |
| 6° off-grid best | 1702 | 99% | 4.29 | 1.3× |
| 13° = latitude | 1720 | 100% | 4.11 | 1.3× |
| 15° year-round best | 1721 | 100% | 4.05 | 1.4× |
| 30° | 1672 | 97% | 3.46 | 1.6× |
| 45° | 1526 | 89% | 2.70 | 2.1× |
| 60° | 1295 | 75% | 1.86 | 2.9× |
| 70° | 1106 | 64% | 1.34 | 3.8× |
| 90° | 744 | 43% | 1.05 | 4.0× |
A fixed array in El Viejo produces the most over a year at 15°. The design month for an off-grid system is June: at 6° it makes 4.29 kWh per kWp a day, 6% more than at 15°, and costs 1% of the yearly total. Why steep panels win winter.
Off-grid solar in El Viejo at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 15° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 15° | Mean temp. |
|---|---|---|---|---|---|
| January | 5.60 | 6.11 | 4.96 | 5.13 | 27.2 °C |
| February | 6.24 | 5.43 | 4.40 | 5.41 | 27.8 °C |
| March | 6.76 | 4.27 | 3.45 | 5.50 | 28.6 °C |
| April | 6.43 | 2.77 | 2.21 | 4.91 | 29.3 °C |
| May | 5.62 | 1.97 | 1.55 | 4.15 | 28.5 °C |
| June | 5.58 | 1.70 | 1.34 | 4.05 | 27.6 °C |
| July | 5.87 | 1.83 | 1.43 | 4.28 | 27.9 °C |
| August | 5.93 | 2.34 | 1.86 | 4.47 | 28.1 °C |
| September | 5.69 | 3.22 | 2.60 | 4.53 | 27.3 °C |
| October | 5.23 | 3.99 | 3.25 | 4.41 | 26.7 °C |
| November | 5.37 | 5.38 | 4.39 | 4.83 | 26.6 °C |
| December | 5.33 | 6.17 | 5.02 | 4.97 | 26.8 °C |
| Year | 5.80 avg | 3.76 avg | 1106 kWh | 1721 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 880 Wp of panels at 70°, versus 290 Wp at 15°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in El Viejo
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.
2.2 mrow pitch at 70°
2.4 mrow pitch at 15°
How El Viejo compares in Nicaragua
Against the other 36 places in Nicaragua with climate data, for a fixed array at its best angle.
2ndof 37 places in Nicaragua for sunshine: 5.80 peak sun hours a day on flat ground.
+9%solar energy a year compared with the average place in Nicaragua: 1,721 against 1,576 kWh per kWp.
+2 mindaylight on the longest day, compared with Managua: 12 h 52 min against 12 h 50 min.
15°best year-round tilt here; across Nicaragua it runs from 13° in Nueva Guinea to 15° in León.
Of the 37 places in Nicaragua, Corinto gets the most sun (5.84 peak sun hours a day) and Nueva Guinea the least (4.44); El Viejo ranks 2nd. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.34 kWh a day here, against 1.32 kWh on average in Nicaragua. The shortest day lasts 11 h 23 min, −2 min compared with Managua.
Solar forecast for El Viejo, 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 El Viejo
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Places near El Viejo
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A free, live card for El Viejo: 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.