Kwanza Sul · Angola · 10.51° S · 16.02° E
Solar position in Mussende
Sun position, daylight and the best solar panel angle for Mussende — computed for 10.51° S, 16.02° E, 1350 m above sea level.
The sun right now
Sun in Mussende today
Saturday, 24 October 2026 · local time UTC+1
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:15 | sun 18° below horizon |
| Nautical dawn | 04:41 | 12° below |
| Civil dawn | 05:06 | 6° below |
| Sunrise | 05:27 | 102° ESE |
| Golden hour ends | 05:56 | sun 6° up |
| Solar noon | 11:40 | 88.7° high |
| Golden hour starts | 17:24 | sun 6° up |
| Sunset | 17:52 | 258° WSW |
| Civil dusk | 18:14 | 6° below |
| Nautical dusk | 18:39 | 12° below |
| Astronomical dusk | 19:04 | 18° below |
| Day length | 12 h 25 min | |
Sun path diagram for Mussende
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 56.1° at solar noon in Mussende; on the December solstice only 77.1°. 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 | 05:48 | 12:07 | 18:26 | 12 h 38 min | 80.7° |
| February | 05:58 | 12:09 | 18:20 | 12 h 23 min | 90.0° |
| March | 05:59 | 12:03 | 18:06 | 12 h 06 min | 79.2° |
| April | 06:00 | 11:54 | 17:48 | 11 h 49 min | 67.5° |
| May | 06:04 | 11:52 | 17:40 | 11 h 36 min | 59.3° |
| June | 06:12 | 11:57 | 17:43 | 11 h 31 min | 56.1° |
| July | 06:14 | 12:02 | 17:50 | 11 h 36 min | 59.1° |
| August | 06:04 | 11:59 | 17:53 | 11 h 49 min | 67.5° |
| September | 05:46 | 11:49 | 17:51 | 12 h 06 min | 78.9° |
| October | 05:29 | 11:40 | 17:52 | 12 h 23 min | 89.7° |
| November | 05:22 | 11:41 | 18:00 | 12 h 38 min | 80.6° |
| December | 05:31 | 11:53 | 18:16 | 12 h 45 min | 77.1° |
A year of daylight in Mussende
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 Mussende
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
15°collects the most energy over a year: 1642 kWh per kWp.
0°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 | December kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° off-grid best | 1597 | 97% | 4.27 | 1.1× |
| 11° = latitude | 1639 | 100% | 4.04 | 1.3× |
| 15° year-round best | 1642 | 100% | 3.92 | 1.3× |
| 30° | 1595 | 97% | 3.37 | 1.7× |
| 45° | 1460 | 89% | 2.66 | 2.1× |
| 60° | 1248 | 76% | 1.89 | 2.9× |
| 70° | 1076 | 66% | 1.42 | 3.5× |
| 90° | 745 | 45% | 1.18 | 3.6× |
A fixed array in Mussende produces the most over a year at 15°. The design month for an off-grid system is December: at 0° it makes 4.27 kWh per kWp a day, 9% more than at 15°, and costs 3% of the yearly total. Why steep panels win winter.
Off-grid solar in Mussende 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 | 5.46 | 1.88 | 1.52 | 4.08 | 21.7 °C |
| February | 5.50 | 2.36 | 1.93 | 4.26 | 22.0 °C |
| March | 5.46 | 3.09 | 2.54 | 4.41 | 22.2 °C |
| April | 5.37 | 4.04 | 3.34 | 4.58 | 22.3 °C |
| May | 5.79 | 5.70 | 4.73 | 5.27 | 22.5 °C |
| June | 5.47 | 6.03 | 5.03 | 5.16 | 20.9 °C |
| July | 5.42 | 5.60 | 4.67 | 5.02 | 20.9 °C |
| August | 5.31 | 4.42 | 3.65 | 4.61 | 23.1 °C |
| September | 5.44 | 3.45 | 2.82 | 4.45 | 24.6 °C |
| October | 5.44 | 2.53 | 2.06 | 4.25 | 23.6 °C |
| November | 5.25 | 1.95 | 1.57 | 3.97 | 21.9 °C |
| December | 5.28 | 1.77 | 1.42 | 3.92 | 21.4 °C |
| Year | 5.43 avg | 3.58 avg | 1076 kWh | 1642 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 830 Wp of panels at 70°, versus 300 Wp at 15°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Mussende
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.
2.1 mrow pitch at 70°
2.3 mrow pitch at 15°
How Mussende compares in Angola
Against the other 131 places in Angola with climate data, for a fixed array at its best angle.
46thof 132 places in Angola for sunshine: 5.43 peak sun hours a day on flat ground.
+6%solar energy a year compared with the average place in Angola: 1,642 against 1,554 kWh per kWp.
+6 mindaylight on the longest day, compared with Luanda: 12 h 45 min against 12 h 39 min.
15°best year-round tilt here; across Angola it runs from 3° in Buco Zau to 20° in Ondjiva.
Of the 132 places in Angola, Ondjiva gets the most sun (6.24 peak sun hours a day) and Buco Zau the least (3.97); Mussende ranks 46th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.42 kWh a day here, against 1.35 kWh on average in Angola. The shortest day lasts 11 h 31 min, −6 min compared with Luanda.
Solar forecast for Mussende, 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 Mussende
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Places near Mussende
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A free, live card for Mussende: 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.