North Holland · The Netherlands · 52.46° N · 4.65° E
Solar position in Velsen-Zuid
Sun position, daylight and the best solar panel angle for Velsen-Zuid — computed for 52.46° N, 4.65° E, 4 m above sea level.
The sun right now
Sun in Velsen-Zuid today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 06:28 | sun 18° below horizon |
| Nautical dawn | 07:07 | 12° below |
| Civil dawn | 07:47 | 6° below |
| Sunrise | 08:22 | 108° ESE |
| Golden hour ends | 09:11 | sun 6° up |
| Solar noon | 13:25 | 25.7° high |
| Golden hour starts | 17:38 | sun 6° up |
| Sunset | 18:27 | 251° WSW |
| Civil dusk | 19:02 | 6° below |
| Nautical dusk | 19:42 | 12° below |
| Astronomical dusk | 20:21 | 18° below |
| Day length | 10 h 05 min | |
Sun path diagram for Velsen-Zuid
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 61.0° at solar noon in Velsen-Zuid; on the December solstice only 14.2°. Sunrise swings from 48° NE in June to 129° SE in December — a 82° 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 | 08:38 | 12:52 | 17:07 | 8 h 29 min | 17.8° |
| February | 07:45 | 12:55 | 18:05 | 10 h 20 min | 27.1° |
| March | 06:41 | 12:48 | 18:56 | 12 h 14 min | 37.9° |
| April | 06:30 | 13:40 | 20:50 | 14 h 19 min | 49.5° |
| May | 05:37 | 13:38 | 21:39 | 16 h 03 min | 57.8° |
| June | 05:18 | 13:43 | 22:07 | 16 h 49 min | 61.0° |
| July | 05:44 | 13:47 | 21:49 | 16 h 05 min | 58.0° |
| August | 06:33 | 13:44 | 20:54 | 14 h 20 min | 49.6° |
| September | 07:25 | 13:34 | 19:42 | 12 h 17 min | 38.2° |
| October | 08:17 | 13:25 | 18:33 | 10 h 16 min | 26.8° |
| November | 08:13 | 12:27 | 16:40 | 8 h 27 min | 17.6° |
| December | 08:49 | 12:39 | 16:29 | 7 h 40 min | 14.2° |
A year of daylight in Velsen-Zuid
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 Velsen-Zuid
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
39°collects the most energy over a year: 1079 kWh per kWp.
72°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° | 884 | 82% | 0.38 | 11.7× |
| 15° | 1004 | 93% | 0.61 | 7.7× |
| 30° | 1068 | 99% | 0.80 | 5.8× |
| 39° year-round best | 1079 | 100% | 0.89 | 5.1× |
| 45° | 1074 | 100% | 0.94 | 4.7× |
| 52° = latitude | 1056 | 98% | 0.99 | 4.3× |
| 60° | 1020 | 95% | 1.03 | 3.9× |
| 70° | 954 | 88% | 1.05 | 3.5× |
| 72° off-grid best | 937 | 87% | 1.05 | 3.5× |
| 90° | 757 | 70% | 1.00 | 2.9× |
A fixed array in Velsen-Zuid produces the most over a year at 39°. The design month for an off-grid system is December: at 72° it makes 1.05 kWh per kWp a day, 18% more than at 39°, and costs 13% of the yearly total. Why steep panels win winter.
Off-grid solar in Velsen-Zuid at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 39° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 39° | Mean temp. |
|---|---|---|---|---|---|
| January | 0.69 | 1.46 | 1.28 | 1.12 | 3.9 °C |
| February | 1.39 | 2.35 | 2.07 | 1.95 | 3.8 °C |
| March | 2.67 | 3.46 | 3.04 | 3.15 | 5.7 °C |
| April | 4.30 | 4.26 | 3.71 | 4.28 | 9.0 °C |
| May | 5.19 | 4.15 | 3.55 | 4.54 | 12.5 °C |
| June | 5.44 | 3.94 | 3.33 | 4.44 | 15.6 °C |
| July | 5.25 | 3.96 | 3.31 | 4.34 | 17.9 °C |
| August | 4.37 | 3.89 | 3.26 | 3.94 | 18.1 °C |
| September | 3.15 | 3.62 | 3.07 | 3.32 | 15.6 °C |
| October | 1.79 | 2.70 | 2.31 | 2.25 | 12.0 °C |
| November | 0.83 | 1.56 | 1.35 | 1.21 | 8.2 °C |
| December | 0.52 | 1.21 | 1.05 | 0.89 | 5.1 °C |
| Year | 2.97 avg | 3.05 avg | 954 kWh | 1079 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 1,130 Wp of panels at 70°, versus 1,330 Wp at 39°. The steep array is 15% smaller for the same winter. Size your own system.
Row spacing in Velsen-Zuid
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.
10.4 mrow pitch at 70°
8.1 mrow pitch at 39°
How Velsen-Zuid compares in the Netherlands
Against the other 231 places in the Netherlands with climate data, for a fixed array at its best angle.
157thof 232 places in the Netherlands for sunshine, shared: 2.97 peak sun hours a day on flat ground.
−1%solar energy a year compared with the average place in the Netherlands: 1,079 against 1,085 kWh per kWp.
+6 mindaylight on the longest day, compared with Rotterdam: 16 h 49 min against 16 h 43 min.
39°best year-round tilt here; across the Netherlands it runs from 38° in Middelburg to 40° in Enschede.
Of the 232 places in the Netherlands, Vlissingen and one other place get the most sun (3.12 peak sun hours a day) and Delfzijl and 2 other places the least (2.88); Velsen-Zuid ranks joint 157th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.05 kWh a day here, against 1.12 kWh on average in the Netherlands. The shortest day lasts 7 h 40 min, −6 min compared with Rotterdam.
Solar forecast for Velsen-Zuid, 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 Velsen-Zuid: 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.