Solarposition.org

Wallonia · Belgium · 50.45° N · 3.82° E

Solar position in Saint-Ghislain

Sun position, daylight and the best solar panel angle for Saint-Ghislain — computed for 50.45° N, 3.82° E, 27 m above sea level.

Sunrise today08:21108° ESE
Sunset today18:35252° WSW
Best panel angle39°year-round, facing south
Off-grid angle72°best for the darkest month

The sun right now

Azimuth180.0°
Elevation27.7°
At solar noon, 13:28Open on the sun map

Sun in Saint-Ghislain today

Saturday, 24 October 2026 · local time UTC+2

EventTimeDirection / height
Astronomical dawn06:32sun 18° below horizon
Nautical dawn07:1012° below
Civil dawn07:486° below
Sunrise08:21108° ESE
Golden hour ends09:08sun 6° up
Solar noon13:2827.7° high
Golden hour starts17:48sun 6° up
Sunset18:35252° WSW
Civil dusk19:086° below
Nautical dusk19:4612° below
Astronomical dusk20:2418° below
Day length10 h 13 min

Sun path diagram for Saint-Ghislain

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 63.0° at solar noon in Saint-Ghislain; on the December solstice only 16.2°. Sunrise swings from 50° NE in June to 127° SE in December — a 77° 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
January08:3312:5617:188 h 45 min19.8°
February07:4412:5818:1210 h 28 min29.1°
March06:4512:5218:5912 h 14 min39.9°
April06:3913:4320:4814 h 10 min51.5°
May05:4913:4121:3415 h 45 min59.8°
June05:3313:4622:0016 h 27 min63.0°
July05:5713:5121:4415 h 47 min60.0°
August06:4213:4720:5214 h 10 min51.6°
September07:2913:3719:4512 h 16 min40.2°
October08:1613:2918:4010 h 24 min28.8°
November08:0812:3016:528 h 44 min19.6°
December08:4212:4216:428 h 00 min16.2°

A year of daylight in Saint-Ghislain

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 Saint-Ghislain

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: 1128 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°92082%0.509.1×
15°104793%0.815.8×
30°111699%1.084.3×
39° year-round best1128100%1.213.7×
45°1123100%1.283.3×
50° = latitude111198%1.333.1×
60°106695%1.402.8×
70°99688%1.432.6×
72° off-grid best97987%1.432.5×
90°78870%1.362.0×

A fixed array in Saint-Ghislain produces the most over a year at 39°. The design month for an off-grid system is December: at 72° it makes 1.43 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 Saint-Ghislain at 70°

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

012345January: 1.62 (70°)1.6JanFebruary: 2.26 (70°)2.3FebMarch: 3.09 (70°)3.1MarApril: 3.64 (70°)3.6AprMay: 3.36 (70°)3.4MayJune: 3.27 (70°)3.3JunJuly: 3.25 (70°)3.3JulAugust: 3.25 (70°)3.2AugSeptember: 3.30 (70°)3.3SepOctober: 2.57 (70°)2.6OctNovember: 1.71 (70°)1.7NovDecember: 1.43 (70°)1.4Dec39°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 39°Mean temp.
January0.841.831.621.412.3 °C
February1.542.542.262.142.8 °C
March2.783.503.093.235.7 °C
April4.364.193.644.279.3 °C
May5.083.943.364.3612.9 °C
June5.513.883.274.4316.2 °C
July5.323.893.254.3318.1 °C
August4.463.873.253.9817.6 °C
September3.423.873.303.6114.5 °C
October2.012.972.572.5310.8 °C
November1.011.961.711.536.4 °C
December0.671.621.431.213.1 °C
Year3.09 avg3.17 avg996 kWh1128 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 830 Wp of panels at 70°, versus 980 Wp at 39°. The steep array is 15% smaller for the same winter. Size your own system.

Row spacing in Saint-Ghislain

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.

8.9 mrow pitch at 70°

7.0 mrow pitch at 39°

Row spacing calculator

How Saint-Ghislain compares in Belgium

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

45thof 223 places in Belgium for sunshine, shared: 3.09 peak sun hours a day on flat ground.

+1%solar energy a year compared with the average place in Belgium: 1,128 against 1,112 kWh per kWp.

−4 mindaylight on the longest day, compared with Brussels: 16 h 27 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); Saint-Ghislain ranks joint 45th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.43 kWh a day here, against 1.30 kWh on average in Belgium. The shortest day lasts 8 h 00 min, +4 min compared with Brussels.

The sunniest places in Belgium

Solar forecast for Saint-Ghislain, 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 Saint-Ghislain

What is the best solar panel angle in Saint-Ghislain?
For a fixed array facing south, the best year-round tilt in Saint-Ghislain is 39°, worth about 1128 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 Saint-Ghislain today?
On 24 October 2026 the sun rises at 08:21 and sets at 18:35 local time (UTC+2), giving 10 h 13 min of daylight. Solar noon is at 13:28.
How many peak sun hours does Saint-Ghislain get?
On a flat surface 3.1 hours a day averaged over the year, from 0.7 in December to 5.5 in June. Panels tilted at 70° receive 1.6 sun hours a day in December.
How high does the sun get in Saint-Ghislain?
At solar noon the sun stands 63.0° above the horizon on the June solstice and 16.2° on the December solstice.
Is Saint-Ghislain a good place for solar panels?
With 3.1 peak sun hours a day on flat ground, Saint-Ghislain ranks joint 45th of 223 places in Belgium for sunshine. A 1 kWp array at the best angle (39°) makes about 1,128 kWh a year here, 1% more than the average place in Belgium.

Places near Saint-Ghislain

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.