Nabeul Governorate · Tunisia · 36.85° N · 11.09° E
Solar position in Kélibia
Sun position, daylight and the best solar panel angle for Kélibia — computed for 36.85° N, 11.09° E, 11 m above sea level.
The sun right now
Sun in Kélibia today
Saturday, 24 October 2026 · local time UTC+1
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:04 | sun 18° below horizon |
| Nautical dawn | 05:34 | 12° below |
| Civil dawn | 06:05 | 6° below |
| Sunrise | 06:31 | 104° ESE |
| Golden hour ends | 07:07 | sun 6° up |
| Solar noon | 11:59 | 41.3° high |
| Golden hour starts | 16:51 | sun 6° up |
| Sunset | 17:27 | 256° WSW |
| Civil dusk | 17:54 | 6° below |
| Nautical dusk | 18:24 | 12° below |
| Astronomical dusk | 18:54 | 18° below |
| Day length | 10 h 56 min | |
Sun path diagram for Kélibia
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 76.6° at solar noon in Kélibia; on the December solstice only 29.7°. 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.
| Month | Sunrise | Solar noon | Sunset | Day length | Noon elevation |
|---|---|---|---|---|---|
| January | 07:25 | 12:27 | 17:28 | 10 h 04 min | 33.3° |
| February | 06:57 | 12:29 | 18:01 | 11 h 05 min | 42.7° |
| March | 06:17 | 12:22 | 18:28 | 12 h 10 min | 53.5° |
| April | 05:33 | 12:14 | 18:55 | 13 h 22 min | 65.1° |
| May | 05:03 | 12:12 | 19:21 | 14 h 18 min | 73.4° |
| June | 04:56 | 12:17 | 19:38 | 14 h 41 min | 76.6° |
| July | 05:12 | 12:22 | 19:31 | 14 h 19 min | 73.6° |
| August | 05:37 | 12:18 | 18:59 | 13 h 22 min | 65.2° |
| September | 06:02 | 12:08 | 18:14 | 12 h 12 min | 53.8° |
| October | 06:28 | 12:00 | 17:31 | 11 h 03 min | 42.4° |
| November | 06:59 | 12:01 | 17:02 | 10 h 03 min | 33.2° |
| December | 07:24 | 12:13 | 17:02 | 9 h 38 min | 29.7° |
A year of daylight in Kélibia
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 Kélibia
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
29°collects the most energy over a year: 1583 kWh per kWp.
61°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° | 1407 | 89% | 1.67 | 3.6× |
| 15° | 1540 | 97% | 2.26 | 2.6× |
| 29° year-round best | 1583 | 100% | 2.70 | 2.1× |
| 30° | 1583 | 100% | 2.72 | 2.0× |
| 37° = latitude | 1572 | 99% | 2.88 | 1.8× |
| 45° | 1535 | 97% | 3.01 | 1.6× |
| 60° | 1399 | 88% | 3.12 | 1.4× |
| 61° off-grid best | 1387 | 88% | 3.12 | 1.3× |
| 70° | 1264 | 80% | 3.08 | 1.3× |
| 90° | 917 | 58% | 2.75 | 1.9× |
A fixed array in Kélibia produces the most over a year at 29°. The design month for an off-grid system is December: at 61° it makes 3.12 kWh per kWp a day, 16% more than at 29°, and costs 12% of the yearly total. Why steep panels win winter.
Off-grid solar in Kélibia at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 29° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 29° | Mean temp. |
|---|---|---|---|---|---|
| January | 2.38 | 3.79 | 3.26 | 2.94 | 13.2 °C |
| February | 3.23 | 4.15 | 3.57 | 3.58 | 12.8 °C |
| March | 4.45 | 4.54 | 3.89 | 4.43 | 14.0 °C |
| April | 5.60 | 4.29 | 3.64 | 4.93 | 15.8 °C |
| May | 6.68 | 3.97 | 3.32 | 5.33 | 18.6 °C |
| June | 7.45 | 3.77 | 3.10 | 5.56 | 22.5 °C |
| July | 7.47 | 3.98 | 3.24 | 5.60 | 25.7 °C |
| August | 6.59 | 4.46 | 3.62 | 5.35 | 26.5 °C |
| September | 4.99 | 4.56 | 3.74 | 4.56 | 24.5 °C |
| October | 3.77 | 4.53 | 3.76 | 3.92 | 21.8 °C |
| November | 2.64 | 3.97 | 3.35 | 3.11 | 18.0 °C |
| December | 2.12 | 3.60 | 3.08 | 2.70 | 14.7 °C |
| Year | 4.79 avg | 4.13 avg | 1264 kWh | 1583 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 380 Wp of panels at 70°, versus 440 Wp at 29°. The steep array is 12% smaller for the same winter. Size your own system.
Row spacing in Kélibia
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.
4.4 mrow pitch at 70°
3.7 mrow pitch at 29°
How Kélibia compares in Tunisia
Against the other 125 places in Tunisia with climate data, for a fixed array at its best angle.
73rdof 126 places in Tunisia for sunshine, shared: 4.79 peak sun hours a day on flat ground.
−4%solar energy a year compared with the average place in Tunisia: 1,583 against 1,645 kWh per kWp.
±0 mindaylight on the longest day, compared with Tunis: 14 h 41 min against 14 h 41 min.
29°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); Kélibia ranks joint 73rd. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 3.08 kWh a day here, against 3.03 kWh on average in Tunisia. The shortest day lasts 9 h 38 min, ±0 min compared with Tunis.
Solar forecast for Kélibia, 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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Questions about the sun in Kélibia
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A free, live card for Kélibia: 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.