Solarposition.org

Flanders · Belgium · 51.07° N · 4.53° E

Solar position in Sint-Katelijne-Waver

Sun position, daylight and the best solar panel angle for Sint-Katelijne-Waver — computed for 51.07° N, 4.53° E, 6 m above sea level.

Sunrise today08:20108° ESE
Sunset today18:31252° WSW
Best panel angle39°year-round, facing south
Off-grid angle72°best for the darkest month

The sun right now

Azimuth180.0°
Elevation27.1°
At solar noon, 13:25Open on the sun map

Sun in Sint-Katelijne-Waver today

Saturday, 24 October 2026 · local time UTC+2

EventTimeDirection / height
Astronomical dawn06:29sun 18° below horizon
Nautical dawn07:0712° below
Civil dawn07:466° below
Sunrise08:20108° ESE
Golden hour ends09:07sun 6° up
Solar noon13:2527.1° high
Golden hour starts17:43sun 6° up
Sunset18:31252° WSW
Civil dusk19:056° below
Nautical dusk19:4312° below
Astronomical dusk20:2118° below
Day length10 h 11 min

Sun path diagram for Sint-Katelijne-Waver

Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.

15°30°45°60°75°N30°60°E120°150°S210°240°W300°330°June solstice6789101112131415161718192021EquinoxDecember solstice910111213141516Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 62.4° at solar noon in Sint-Katelijne-Waver; on the December solstice only 15.6°. Sunrise swings from 49° NE in June to 128° SE in December — a 79° 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.

MonthSunriseSolar noonSunsetDay lengthNoon elevation
January08:3312:5317:138 h 40 min19.1°
February07:4312:5518:0810 h 25 min28.5°
March06:4212:4918:5612 h 14 min39.3°
April06:3413:4020:4714 h 13 min50.9°
May05:4313:3821:3315 h 50 min59.2°
June05:2613:4322:0016 h 34 min62.4°
July05:5113:4821:4415 h 52 min59.4°
August06:3713:4420:5114 h 13 min51.0°
September07:2613:3419:4212 h 16 min39.5°
October08:1513:2618:3610 h 22 min28.2°
November08:0812:2716:468 h 39 min19.0°
December08:4212:3916:367 h 54 min15.6°

A year of daylight in Sint-Katelijne-Waver

Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.

00:0003:0006:0009:0012:0015:0018:0021:0000:00JanFebMarAprMayJunJulAugSepOctNovDec

Best solar panel angle in Sint-Katelijne-Waver

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: 1102 kWh per kWp.

72°gives the most in the darkest month — the one an off-grid system is sized for.

30%40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 39°Best worst-month 72°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°90182%0.469.8×
15°102493%0.736.4×
30°109199%0.964.8×
39° year-round best1102100%1.074.1×
45°1096100%1.133.8×
51° = latitude108198%1.183.5×
60°104194%1.233.2×
70°97288%1.262.9×
72° off-grid best95587%1.262.8×
90°76970%1.202.3×

A fixed array in Sint-Katelijne-Waver produces the most over a year at 39°. The design month for an off-grid system is December: at 72° it makes 1.26 kWh per kWp a day, 17% more than at 39°, and costs 13% of the yearly total. Why steep panels win winter.

Off-grid solar in Sint-Katelijne-Waver at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 39° (year-round best).

012345January: 1.47 (70°)1.5JanFebruary: 2.16 (70°)2.2FebMarch: 3.06 (70°)3.1MarApril: 3.61 (70°)3.6AprMay: 3.39 (70°)3.4MayJune: 3.26 (70°)3.3JunJuly: 3.23 (70°)3.2JulAugust: 3.23 (70°)3.2AugSeptember: 3.23 (70°)3.2SepOctober: 2.48 (70°)2.5OctNovember: 1.56 (70°)1.6NovDecember: 1.26 (70°)1.3Dec39°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 39°Mean temp.
January0.791.671.471.292.2 °C
February1.482.432.162.042.8 °C
March2.723.473.063.185.6 °C
April4.284.163.614.229.4 °C
May5.083.983.394.3813.2 °C
June5.463.883.264.3916.5 °C
July5.243.873.234.2818.5 °C
August4.413.863.233.9518.1 °C
September3.333.803.233.5214.9 °C
October1.932.872.482.4310.9 °C
November0.951.801.561.416.5 °C
December0.621.431.261.073.1 °C
Year3.03 avg3.10 avg972 kWh1102 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 940 Wp of panels at 70°, versus 1,100 Wp at 39°. The steep array is 15% smaller for the same winter. Size your own system.

Row spacing in Sint-Katelijne-Waver

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.

9.3 mrow pitch at 70°

7.3 mrow pitch at 39°

Row spacing calculator

How Sint-Katelijne-Waver compares in Belgium

Against the other 222 places in Belgium with climate data, for a fixed array at its best angle.

156thof 223 places in Belgium for sunshine, shared: 3.03 peak sun hours a day on flat ground.

−1%solar energy a year compared with the average place in Belgium: 1,102 against 1,112 kWh per kWp.

+2 mindaylight on the longest day, compared with Brussels: 16 h 34 min against 16 h 31 min.

39°best year-round tilt here; across Belgium it runs from 38° in Brugge to 39° in Brussels.

Of the 223 places in Belgium, Knokke-Heist and one other place get the most sun (3.13 peak sun hours a day) and Eupen the least (3.01); Sint-Katelijne-Waver ranks joint 156th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.25 kWh a day here, against 1.30 kWh on average in Belgium. The shortest day lasts 7 h 54 min, −2 min compared with Brussels.

The sunniest places in Belgium

Solar forecast for Sint-Katelijne-Waver, next 48 hours

Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.

Loading the latest forecast…

Questions about the sun in Sint-Katelijne-Waver

What is the best solar panel angle in Sint-Katelijne-Waver?
For a fixed array facing south, the best year-round tilt in Sint-Katelijne-Waver is 39°, worth about 1102 kWh per kWp a year. An off-grid system that has to get through December does better at about 72°.
What time is sunrise and sunset in Sint-Katelijne-Waver today?
On 24 October 2026 the sun rises at 08:20 and sets at 18:31 local time (UTC+2), giving 10 h 11 min of daylight. Solar noon is at 13:25.
How many peak sun hours does Sint-Katelijne-Waver get?
On a flat surface 3.0 hours a day averaged over the year, from 0.6 in December to 5.5 in June. Panels tilted at 70° receive 1.4 sun hours a day in December.
How high does the sun get in Sint-Katelijne-Waver?
At solar noon the sun stands 62.4° above the horizon on the June solstice and 15.6° on the December solstice.
Is Sint-Katelijne-Waver a good place for solar panels?
With 3.0 peak sun hours a day on flat ground, Sint-Katelijne-Waver ranks joint 156th of 223 places in Belgium for sunshine. A 1 kWp array at the best angle (39°) makes about 1,102 kWh a year here, 1% less than the average place in Belgium.

Places near Sint-Katelijne-Waver

All places in Belgium

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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.