Solarposition.org

Wallonia · Belgium · 50.67° N · 4.61° E

Solar position in Louvain-la-Neuve

Sun position, daylight and the best solar panel angle for Louvain-la-Neuve — computed for 50.67° N, 4.61° E, 117 m above sea level.

Sunrise today08:19108° 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°
Elevation27.5°
At solar noon, 13:25Open on the sun map

Sun in Louvain-la-Neuve today

Saturday, 24 October 2026 · local time UTC+2

EventTimeDirection / height
Astronomical dawn06:29sun 18° below horizon
Nautical dawn07:0712° below
Civil dawn07:456° below
Sunrise08:19108° ESE
Golden hour ends09:05sun 6° up
Solar noon13:2527.5° high
Golden hour starts17:44sun 6° up
Sunset18:31252° WSW
Civil dusk19:056° below
Nautical dusk19:4312° below
Astronomical dusk20:2118° below
Day length10 h 12 min

Sun path diagram for Louvain-la-Neuve

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 62.8° at solar noon in Louvain-la-Neuve; on the December solstice only 15.9°. Sunrise swings from 50° NE in June to 128° SE in December — a 78° 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
January08:3112:5317:148 h 43 min19.5°
February07:4212:5518:0810 h 27 min28.9°
March06:4212:4818:5612 h 14 min39.7°
April06:3513:4020:4614 h 11 min51.3°
May05:4513:3821:3115 h 47 min59.6°
June05:2813:4321:5716 h 29 min62.8°
July05:5313:4721:4115 h 49 min59.7°
August06:3813:4420:4914 h 11 min51.4°
September07:2613:3419:4212 h 16 min39.9°
October08:1413:2518:3710 h 23 min28.6°
November08:0612:2716:488 h 42 min19.4°
December08:4012:3916:387 h 58 min15.9°

A year of daylight in Louvain-la-Neuve

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 Louvain-la-Neuve

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: 1104 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°90482%0.489.4×
15°102793%0.766.1×
30°109499%1.014.5×
39° year-round best1104100%1.133.9×
45°1099100%1.193.5×
51° = latitude108498%1.243.3×
60°104394%1.303.0×
70°97488%1.322.7×
72° off-grid best95787%1.322.6×
90°77170%1.262.2×

A fixed array in Louvain-la-Neuve produces the most over a year at 39°. The design month for an off-grid system is December: at 72° it makes 1.32 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 Louvain-la-Neuve at 70°

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

012345January: 1.52 (70°)1.5JanFebruary: 2.18 (70°)2.2FebMarch: 3.04 (70°)3.0MarApril: 3.57 (70°)3.6AprMay: 3.35 (70°)3.3MayJune: 3.23 (70°)3.2JunJuly: 3.21 (70°)3.2JulAugust: 3.20 (70°)3.2AugSeptember: 3.25 (70°)3.3SepOctober: 2.52 (70°)2.5OctNovember: 1.61 (70°)1.6NovDecember: 1.32 (70°)1.3Dec39°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 39°Mean temp.
January0.811.721.521.331.7 °C
February1.502.452.182.072.3 °C
March2.733.453.043.185.2 °C
April4.264.103.574.189.1 °C
May5.053.923.354.3312.9 °C
June5.443.843.234.3716.3 °C
July5.233.843.214.2718.2 °C
August4.403.823.203.9317.8 °C
September3.363.823.253.5514.5 °C
October1.962.912.522.4810.5 °C
November0.971.851.611.466.0 °C
December0.641.501.321.132.6 °C
Year3.04 avg3.10 avg974 kWh1104 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 890 Wp of panels at 70°, versus 1,050 Wp at 39°. The steep array is 15% smaller for the same winter. Size your own system.

Row spacing in Louvain-la-Neuve

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.

9.0 mrow pitch at 70°

7.1 mrow pitch at 39°

Row spacing calculator

How Louvain-la-Neuve compares in Belgium

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

115thof 223 places in Belgium for sunshine, shared: 3.04 peak sun hours a day on flat ground.

−1%solar energy a year compared with the average place in Belgium: 1,104 against 1,112 kWh per kWp.

−2 mindaylight on the longest day, compared with Brussels: 16 h 29 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); Louvain-la-Neuve ranks joint 115th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.32 kWh a day here, against 1.30 kWh on average in Belgium. The shortest day lasts 7 h 58 min, +2 min compared with Brussels.

The sunniest places in Belgium

Solar forecast for Louvain-la-Neuve, 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 Louvain-la-Neuve

What is the best solar panel angle in Louvain-la-Neuve?
For a fixed array facing south, the best year-round tilt in Louvain-la-Neuve is 39°, worth about 1104 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 Louvain-la-Neuve today?
On 24 October 2026 the sun rises at 08:19 and sets at 18:31 local time (UTC+2), giving 10 h 12 min of daylight. Solar noon is at 13:25.
How many peak sun hours does Louvain-la-Neuve get?
On a flat surface 3.0 hours a day averaged over the year, from 0.6 in December to 5.4 in June. Panels tilted at 70° receive 1.5 sun hours a day in December.
How high does the sun get in Louvain-la-Neuve?
At solar noon the sun stands 62.8° above the horizon on the June solstice and 15.9° on the December solstice.
Is Louvain-la-Neuve a good place for solar panels?
With 3.0 peak sun hours a day on flat ground, Louvain-la-Neuve ranks joint 115th of 223 places in Belgium for sunshine. A 1 kWp array at the best angle (39°) makes about 1,104 kWh a year here, 1% less than the average place in Belgium.

Places near Louvain-la-Neuve

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.