North-Western · Zambia · 12.11° S · 25.50° E
Solar position in Chisasa
Sun position, daylight and the best solar panel angle for Chisasa — computed for 12.11° S, 25.50° E, 1359 m above sea level.
The sun right now
Sun in Chisasa today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:36 | sun 18° below horizon |
| Nautical dawn | 05:01 | 12° below |
| Civil dawn | 05:26 | 6° below |
| Sunrise | 05:48 | 102° ESE |
| Golden hour ends | 06:17 | sun 6° up |
| Solar noon | 12:02 | 89.7° high |
| Golden hour starts | 17:47 | sun 6° up |
| Sunset | 18:16 | 258° WSW |
| Civil dusk | 18:37 | 6° below |
| Nautical dusk | 19:03 | 12° below |
| Astronomical dusk | 19:28 | 18° below |
| Day length | 12 h 27 min | |
Sun path diagram for Chisasa
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 54.5° at solar noon in Chisasa; on the December solstice only 78.7°. 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 | 06:07 | 12:29 | 18:50 | 12 h 43 min | 82.3° |
| February | 06:18 | 12:31 | 18:44 | 12 h 25 min | 88.4° |
| March | 06:22 | 12:25 | 18:28 | 12 h 06 min | 77.6° |
| April | 06:23 | 12:16 | 18:09 | 11 h 46 min | 66.0° |
| May | 06:29 | 12:14 | 18:00 | 11 h 31 min | 57.7° |
| June | 06:37 | 12:19 | 18:02 | 11 h 25 min | 54.5° |
| July | 06:39 | 12:24 | 18:09 | 11 h 31 min | 57.5° |
| August | 06:28 | 12:21 | 18:14 | 11 h 46 min | 65.9° |
| September | 06:08 | 12:11 | 18:13 | 12 h 06 min | 77.3° |
| October | 05:49 | 12:02 | 18:15 | 12 h 26 min | 88.7° |
| November | 05:42 | 12:03 | 18:25 | 12 h 43 min | 82.2° |
| December | 05:50 | 12:16 | 18:41 | 12 h 50 min | 78.7° |
A year of daylight in Chisasa
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 Chisasa
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
18°collects the most energy over a year: 1723 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 | 1653 | 96% | 4.12 | 1.2× |
| 12° = latitude | 1715 | 100% | 3.90 | 1.3× |
| 15° | 1721 | 100% | 3.82 | 1.4× |
| 18° year-round best | 1723 | 100% | 3.74 | 1.5× |
| 30° | 1691 | 98% | 3.34 | 1.8× |
| 45° | 1567 | 91% | 2.70 | 2.2× |
| 60° | 1357 | 79% | 1.98 | 2.9× |
| 70° | 1179 | 68% | 1.53 | 3.5× |
| 90° | 816 | 47% | 1.22 | 3.8× |
A fixed array in Chisasa produces the most over a year at 18°. The design month for an off-grid system is December: at 0° it makes 4.12 kWh per kWp a day, 10% more than at 18°, and costs 4% of the yearly total. Why steep panels win winter.
Off-grid solar in Chisasa at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 18° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 18° | Mean temp. |
|---|---|---|---|---|---|
| January | 5.07 | 1.98 | 1.60 | 3.77 | 21.0 °C |
| February | 5.19 | 2.41 | 1.97 | 4.00 | 21.1 °C |
| March | 5.37 | 3.17 | 2.62 | 4.35 | 21.0 °C |
| April | 5.66 | 4.41 | 3.69 | 4.94 | 20.2 °C |
| May | 5.72 | 5.82 | 4.90 | 5.43 | 18.6 °C |
| June | 5.51 | 6.39 | 5.42 | 5.49 | 17.1 °C |
| July | 5.63 | 6.19 | 5.24 | 5.50 | 17.3 °C |
| August | 5.96 | 5.27 | 4.41 | 5.40 | 20.4 °C |
| September | 6.26 | 4.06 | 3.34 | 5.18 | 24.2 °C |
| October | 6.19 | 2.87 | 2.32 | 4.75 | 25.8 °C |
| November | 5.45 | 2.05 | 1.65 | 4.03 | 23.3 °C |
| December | 5.10 | 1.89 | 1.53 | 3.74 | 21.5 °C |
| Year | 5.60 avg | 3.88 avg | 1179 kWh | 1723 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 770 Wp of panels at 70°, versus 320 Wp at 18°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Chisasa
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 18°
How Chisasa compares in Zambia
Against the other 76 places in Zambia with climate data, for a fixed array at its best angle.
76thof 77 places in Zambia for sunshine: 5.60 peak sun hours a day on flat ground.
−2%solar energy a year compared with the average place in Zambia: 1,723 against 1,761 kWh per kWp.
−12 mindaylight on the longest day, compared with Lusaka: 12 h 50 min against 13 h 03 min.
18°best year-round tilt here; across Zambia it runs from 13° in Nakonde to 21° in Livingstone.
Of the 77 places in Zambia, Sesheke gets the most sun (5.94 peak sun hours a day) and Mwinilunga the least (5.48); Chisasa ranks 76th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.53 kWh a day here, against 1.53 kWh on average in Zambia. The shortest day lasts 11 h 25 min, +12 min compared with Lusaka.
Solar forecast for Chisasa, 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 Chisasa
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A free, live card for Chisasa: 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.