Solarposition.org

Bizerte Governorate · Tunisia · 37.22° N · 10.13° E

Solar position in Rass el Djebel

Sun position, daylight and the best solar panel angle for Rass el Djebel — computed for 37.22° N, 10.13° E, 53 m above sea level.

Sunrise today06:35104° ESE
Sunset today17:31256° WSW
Best panel angle30°year-round, facing south
Off-grid angle61°best for the darkest month

The sun right now

Azimuth180.0°
Elevation41.0°
At solar noon, 12:03Open on the sun map

Sun in Rass el Djebel today

Saturday, 24 October 2026 · local time UTC+1

EventTimeDirection / height
Astronomical dawn05:08sun 18° below horizon
Nautical dawn05:3812° below
Civil dawn06:096° below
Sunrise06:35104° ESE
Golden hour ends07:11sun 6° up
Solar noon12:0341.0° high
Golden hour starts16:55sun 6° up
Sunset17:31256° WSW
Civil dusk17:576° below
Nautical dusk18:2812° below
Astronomical dusk18:5818° below
Day length10 h 55 min

Sun path diagram for Rass el Djebel

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 solstice678910111213141516171819EquinoxDecember solstice8910111213141516Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 76.2° at solar noon in Rass el Djebel; on the December solstice only 29.4°. Sunrise swings from 59° ENE in June to 119° ESE in December — a 60° 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
January07:2912:3017:3110 h 02 min33.0°
February07:0112:3318:0511 h 04 min42.3°
March06:2112:2618:3212 h 10 min53.1°
April05:3712:1818:5913 h 23 min64.7°
May05:0612:1619:2614 h 19 min73.0°
June04:5912:2119:4314 h 44 min76.2°
July05:1512:2519:3614 h 21 min73.2°
August05:4012:2219:0313 h 23 min64.8°
September06:0612:1218:1812 h 12 min53.4°
October06:3212:0317:3411 h 02 min42.0°
November07:0412:0517:0510 h 01 min32.8°
December07:2912:1717:059 h 36 min29.4°

A year of daylight in Rass el Djebel

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 Rass el Djebel

Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.

30°collects the most energy over a year: 1561 kWh per kWp.

61°gives the most in the darkest month — the one an off-grid system is sized for.

50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 30°Best worst-month 61°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°138489%1.613.7×
15°151797%2.192.7×
30° year-round best1561100%2.642.1×
37° = latitude155099%2.791.9×
45°151497%2.921.7×
60°138289%3.031.4×
61° off-grid best137188%3.031.4×
70°125180%2.991.3×
90°91158%2.681.9×

A fixed array in Rass el Djebel produces the most over a year at 30°. The design month for an off-grid system is December: at 61° it makes 3.03 kWh per kWp a day, 15% more than at 30°, and costs 12% of the yearly total. Why steep panels win winter.

Off-grid solar in Rass el Djebel at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 30° (year-round best).

0123456January: 3.17 (70°)3.2JanFebruary: 3.50 (70°)3.5FebMarch: 3.82 (70°)3.8MarApril: 3.61 (70°)3.6AprMay: 3.31 (70°)3.3MayJune: 3.13 (70°)3.1JunJuly: 3.25 (70°)3.3JulAugust: 3.61 (70°)3.6AugSeptember: 3.75 (70°)3.7SepOctober: 3.76 (70°)3.8OctNovember: 3.26 (70°)3.3NovDecember: 2.99 (70°)3.0Dec30°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 30°Mean temp.
January2.293.683.172.8812.7 °C
February3.154.053.503.5212.3 °C
March4.364.453.824.3513.7 °C
April5.514.253.614.8515.7 °C
May6.553.953.315.2218.5 °C
June7.383.813.135.5022.4 °C
July7.364.003.255.5225.6 °C
August6.484.443.615.2726.3 °C
September4.964.563.754.5524.0 °C
October3.734.523.763.9221.3 °C
November2.553.853.263.0417.3 °C
December2.053.492.992.6414.1 °C
Year4.71 avg4.09 avg1251 kWh1561 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 450 Wp at 30°. The steep array is 12% smaller for the same winter. Size your own system.

Row spacing in Rass el Djebel

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.

4.5 mrow pitch at 70°

3.8 mrow pitch at 30°

Row spacing calculator

How Rass el Djebel compares in Tunisia

Against the other 125 places in Tunisia with climate data, for a fixed array at its best angle.

106thof 126 places in Tunisia for sunshine, shared: 4.71 peak sun hours a day on flat ground.

−5%solar energy a year compared with the average place in Tunisia: 1,560 against 1,645 kWh per kWp.

+2 mindaylight on the longest day, compared with Tunis: 14 h 44 min against 14 h 41 min.

30°best year-round tilt here; across Tunisia it runs from 29° in Houmt Souk to 31° in Kairouan.

Of the 126 places in Tunisia, Nefta and 2 other places get the most sun (5.54 peak sun hours a day) and Grombalia and one other place the least (4.68); Rass el Djebel ranks joint 106th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.99 kWh a day here, against 3.03 kWh on average in Tunisia. The shortest day lasts 9 h 36 min, −2 min compared with Tunis.

The sunniest places in Tunisia

Solar forecast for Rass el Djebel, 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 Rass el Djebel

What is the best solar panel angle in Rass el Djebel?
For a fixed array facing south, the best year-round tilt in Rass el Djebel is 30°, worth about 1561 kWh per kWp a year. An off-grid system that has to get through December does better at about 61°.
What time is sunrise and sunset in Rass el Djebel today?
On 24 October 2026 the sun rises at 06:35 and sets at 17:31 local time (UTC+1), giving 10 h 55 min of daylight. Solar noon is at 12:03.
How many peak sun hours does Rass el Djebel get?
On a flat surface 4.7 hours a day averaged over the year, from 2.0 in December to 7.4 in June. Panels tilted at 70° receive 3.5 sun hours a day in December.
How high does the sun get in Rass el Djebel?
At solar noon the sun stands 76.2° above the horizon on the June solstice and 29.4° on the December solstice.
Is Rass el Djebel a good place for solar panels?
With 4.7 peak sun hours a day on flat ground, Rass el Djebel ranks joint 106th of 126 places in Tunisia for sunshine. A 1 kWp array at the best angle (30°) makes about 1,560 kWh a year here, 5% less than the average place in Tunisia.

Places near Rass el Djebel

All places in Tunisia

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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.