Western Cape · South Africa · 32.91° S · 17.99° E
Solar position in Vredenburg
Sun position, daylight and the best solar panel angle for Vredenburg — computed for 32.91° S, 17.99° E, 129 m above sea level.
The sun right now
Sun in Vredenburg today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:29 | sun 18° below horizon |
| Nautical dawn | 05:01 | 12° below |
| Civil dawn | 05:31 | 6° below |
| Sunrise | 05:57 | 105° ESE |
| Golden hour ends | 06:30 | sun 6° up |
| Solar noon | 12:32 | 68.9° high |
| Golden hour starts | 18:34 | sun 6° up |
| Sunset | 19:07 | 255° WSW |
| Civil dusk | 19:33 | 6° below |
| Nautical dusk | 20:04 | 12° below |
| Astronomical dusk | 20:35 | 18° below |
| Day length | 13 h 10 min | |
Sun path diagram for Vredenburg
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 33.7° at solar noon in Vredenburg; on the December solstice only 80.5°. Sunrise swings from 62° ENE in June to 119° ESE in December — a 57° 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 | 06:00 | 12:59 | 19:57 | 13 h 57 min | 76.9° |
| February | 06:29 | 13:01 | 19:32 | 13 h 03 min | 67.6° |
| March | 06:51 | 12:55 | 18:57 | 12 h 06 min | 56.8° |
| April | 07:13 | 12:46 | 18:19 | 11 h 05 min | 45.2° |
| May | 07:35 | 12:44 | 17:53 | 10 h 18 min | 36.9° |
| June | 07:50 | 12:49 | 17:49 | 9 h 59 min | 33.7° |
| July | 07:46 | 12:54 | 18:03 | 10 h 17 min | 36.7° |
| August | 07:19 | 12:51 | 18:23 | 11 h 05 min | 45.1° |
| September | 06:39 | 12:41 | 18:43 | 12 h 05 min | 56.5° |
| October | 06:00 | 12:32 | 19:05 | 13 h 05 min | 67.9° |
| November | 05:35 | 12:33 | 19:32 | 13 h 58 min | 77.1° |
| December | 05:36 | 12:46 | 19:55 | 14 h 20 min | 80.5° |
A year of daylight in Vredenburg
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 Vredenburg
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
29°collects the most energy over a year: 1859 kWh per kWp.
57°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° | 1653 | 89% | 2.16 | 3.2× |
| 15° | 1811 | 97% | 2.96 | 2.2× |
| 29° year-round best | 1859 | 100% | 3.54 | 1.7× |
| 30° | 1859 | 100% | 3.58 | 1.7× |
| 33° = latitude | 1855 | 100% | 3.67 | 1.6× |
| 45° | 1795 | 97% | 3.96 | 1.4× |
| 57° off-grid best | 1666 | 90% | 4.08 | 1.3× |
| 60° | 1624 | 87% | 4.08 | 1.3× |
| 70° | 1457 | 78% | 4.02 | 1.5× |
| 90° | 1031 | 55% | 3.56 | 2.8× |
A fixed array in Vredenburg produces the most over a year at 29°. The design month for an off-grid system is June: at 57° it makes 4.08 kWh per kWp a day, 15% more than at 29°, and costs 10% of the yearly total. Why steep panels win winter.
Off-grid solar in Vredenburg at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 29° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 29° | Mean temp. |
|---|---|---|---|---|---|
| January | 8.29 | 3.87 | 3.22 | 6.13 | 20.3 °C |
| February | 7.45 | 4.71 | 3.93 | 6.10 | 20.4 °C |
| March | 6.05 | 5.38 | 4.51 | 5.65 | 19.4 °C |
| April | 4.47 | 5.50 | 4.65 | 4.84 | 17.6 °C |
| May | 3.16 | 4.76 | 4.05 | 3.80 | 16.0 °C |
| June | 2.71 | 4.69 | 4.02 | 3.54 | 14.3 °C |
| July | 3.00 | 5.00 | 4.29 | 3.86 | 13.7 °C |
| August | 3.78 | 5.05 | 4.34 | 4.32 | 13.7 °C |
| September | 5.12 | 5.16 | 4.40 | 5.11 | 14.8 °C |
| October | 6.59 | 4.79 | 4.06 | 5.75 | 16.4 °C |
| November | 7.81 | 4.07 | 3.42 | 6.04 | 17.7 °C |
| December | 8.38 | 3.63 | 3.02 | 6.07 | 19.3 °C |
| Year | 5.56 avg | 4.72 avg | 1457 kWh | 1859 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 390 Wp of panels at 70°, versus 330 Wp at 29°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Vredenburg
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.
3.9 mrow pitch at 70°
3.4 mrow pitch at 29°
How Vredenburg compares in South Africa
Against the other 294 places in South Africa with climate data, for a fixed array at its best angle.
136thof 295 places in South Africa for sunshine, shared: 5.56 peak sun hours a day on flat ground.
+3%solar energy a year compared with the average place in South Africa: 1,859 against 1,806 kWh per kWp.
+33 mindaylight on the longest day, compared with Johannesburg: 14 h 20 min against 13 h 47 min.
29°best year-round tilt here; across South Africa it runs from 24° in Thohoyandou to 32° in East London.
Of the 295 places in South Africa, Upington gets the most sun (6.28 peak sun hours a day) and Port Shepstone the least (4.46); Vredenburg ranks joint 136th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 3.02 kWh a day here, against 2.42 kWh on average in South Africa. The shortest day lasts 9 h 59 min, −31 min compared with Johannesburg.
Solar forecast for Vredenburg, 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 Vredenburg
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Places near Vredenburg
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A free, live card for Vredenburg: 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.