Otjozondjupa Region · Namibia · 21.98° S · 16.90° E
Solar position in Okahandja
Sun position, daylight and the best solar panel angle for Okahandja — computed for 21.98° S, 16.90° E, 1370 m above sea level.
The sun right now
Sun in Okahandja today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:56 | sun 18° below horizon |
| Nautical dawn | 05:23 | 12° below |
| Civil dawn | 05:50 | 6° below |
| Sunrise | 06:13 | 103° ESE |
| Golden hour ends | 06:43 | sun 6° up |
| Solar noon | 12:36 | 79.9° high |
| Golden hour starts | 18:29 | sun 6° up |
| Sunset | 18:59 | 257° WSW |
| Civil dusk | 19:22 | 6° below |
| Nautical dusk | 19:49 | 12° below |
| Astronomical dusk | 20:17 | 18° below |
| Day length | 12 h 46 min | |
Sun path diagram for Okahandja
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 44.6° at solar noon in Okahandja; on the December solstice only 88.5°. Sunrise swings from 65° ENE in June to 116° ESE in December — a 51° 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 | 06:26 | 13:03 | 19:40 | 13 h 15 min | 87.9° |
| February | 06:45 | 13:05 | 19:26 | 12 h 41 min | 78.5° |
| March | 06:56 | 12:59 | 19:02 | 12 h 06 min | 67.7° |
| April | 07:06 | 12:50 | 18:34 | 11 h 28 min | 56.1° |
| May | 07:19 | 12:48 | 18:18 | 10 h 59 min | 47.8° |
| June | 07:30 | 12:54 | 18:17 | 10 h 47 min | 44.6° |
| July | 07:29 | 12:58 | 18:28 | 10 h 59 min | 47.6° |
| August | 07:11 | 12:55 | 18:39 | 11 h 28 min | 56.0° |
| September | 06:43 | 12:45 | 18:48 | 12 h 05 min | 67.4° |
| October | 06:15 | 12:37 | 18:58 | 12 h 43 min | 78.8° |
| November | 06:00 | 12:38 | 19:16 | 13 h 15 min | 88.0° |
| December | 06:06 | 12:50 | 19:34 | 13 h 29 min | 88.5° |
A year of daylight in Okahandja
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 Okahandja
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
24°collects the most energy over a year: 2042 kWh per kWp.
21°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° | 1884 | 92% | 5.98 | 1.6× |
| 15° | 2020 | 99% | 5.64 | 1.2× |
| 21° off-grid best | 2039 | 100% | 5.42 | 1.1× |
| 22° = latitude | 2041 | 100% | 5.37 | 1.1× |
| 24° year-round best | 2042 | 100% | 5.28 | 1.1× |
| 30° | 2031 | 99% | 4.98 | 1.2× |
| 45° | 1920 | 94% | 4.05 | 1.6× |
| 60° | 1695 | 83% | 2.94 | 2.3× |
| 70° | 1491 | 73% | 2.15 | 3.1× |
| 90° | 1026 | 50% | 1.04 | 5.4× |
A fixed array in Okahandja produces the most over a year at 24°. The design month for an off-grid system is January: at 21° it makes 5.42 kWh per kWp a day, 3% more than at 24°, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Okahandja at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 24° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 24° | Mean temp. |
|---|---|---|---|---|---|
| January | 7.49 | 2.66 | 2.15 | 5.28 | 25.1 °C |
| February | 6.95 | 3.44 | 2.81 | 5.32 | 24.1 °C |
| March | 6.34 | 4.42 | 3.65 | 5.35 | 22.9 °C |
| April | 5.68 | 5.60 | 4.69 | 5.44 | 20.3 °C |
| May | 5.16 | 6.75 | 5.71 | 5.62 | 16.9 °C |
| June | 4.75 | 7.09 | 6.07 | 5.56 | 13.6 °C |
| July | 5.01 | 7.11 | 6.09 | 5.74 | 13.5 °C |
| August | 5.77 | 6.56 | 5.56 | 5.94 | 16.5 °C |
| September | 6.71 | 5.48 | 4.57 | 6.04 | 20.7 °C |
| October | 7.34 | 4.03 | 3.31 | 5.81 | 23.8 °C |
| November | 7.82 | 2.90 | 2.36 | 5.60 | 24.7 °C |
| December | 7.87 | 2.43 | 1.96 | 5.39 | 25.3 °C |
| Year | 6.40 avg | 4.88 avg | 1491 kWh | 2042 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 600 Wp of panels at 70°, versus 220 Wp at 24°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Okahandja
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.
2.8 mrow pitch at 70°
2.7 mrow pitch at 24°
How Okahandja compares in Namibia
Against the other 17 places in Namibia with climate data, for a fixed array at its best angle.
3rdof 18 places in Namibia for sunshine, shared: 6.40 peak sun hours a day on flat ground.
+5%solar energy a year compared with the average place in Namibia: 2,042 against 1,951 kWh per kWp.
−2 mindaylight on the longest day, compared with Windhoek: 13 h 29 min against 13 h 31 min.
24°best year-round tilt here; across Namibia it runs from 20° in Oshakati to 27° in Keetmanshoop.
Of the 18 places in Namibia, Keetmanshoop and one other place get the most sun (6.48 peak sun hours a day) and Walvis Bay the least (5.81); Okahandja ranks joint 3rd. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.96 kWh a day here, against 1.92 kWh on average in Namibia. The shortest day lasts 10 h 47 min, +2 min compared with Windhoek.
Solar forecast for Okahandja, 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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A free, live card for Okahandja: 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.