Kebili Governorate · Tunisia · 33.47° N · 9.02° E
Solar position in Douz
Sun position, daylight and the best solar panel angle for Douz — computed for 33.47° N, 9.02° E, 62 m above sea level.
The sun right now
Sun in Douz today
Saturday, 24 October 2026 · local time UTC+1
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:12 | sun 18° below horizon |
| Nautical dawn | 05:41 | 12° below |
| Civil dawn | 06:10 | 6° below |
| Sunrise | 06:35 | 104° ESE |
| Golden hour ends | 07:09 | sun 6° up |
| Solar noon | 12:07 | 44.7° high |
| Golden hour starts | 17:06 | sun 6° up |
| Sunset | 17:40 | 256° WSW |
| Civil dusk | 18:05 | 6° below |
| Nautical dusk | 18:34 | 12° below |
| Astronomical dusk | 19:03 | 18° below |
| Day length | 11 h 04 min | |
Sun path diagram for Douz
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 80.0° at solar noon in Douz; on the December solstice only 33.1°. Sunrise swings from 61° ENE in June to 118° ESE in December — a 57° 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 | 07:26 | 12:35 | 17:44 | 10 h 18 min | 36.7° |
| February | 07:01 | 12:37 | 18:13 | 11 h 12 min | 46.1° |
| March | 06:26 | 12:31 | 18:36 | 12 h 10 min | 56.9° |
| April | 05:46 | 12:22 | 18:59 | 13 h 12 min | 68.5° |
| May | 05:19 | 12:20 | 19:21 | 14 h 02 min | 76.8° |
| June | 05:14 | 12:25 | 19:36 | 14 h 22 min | 80.0° |
| July | 05:28 | 12:30 | 19:31 | 14 h 03 min | 76.9° |
| August | 05:50 | 12:26 | 19:03 | 13 h 13 min | 68.6° |
| September | 06:11 | 12:16 | 18:22 | 12 h 11 min | 57.1° |
| October | 06:33 | 12:08 | 17:43 | 11 h 10 min | 45.8° |
| November | 07:00 | 12:09 | 17:18 | 10 h 18 min | 36.6° |
| December | 07:23 | 12:21 | 17:19 | 9 h 56 min | 33.1° |
A year of daylight in Douz
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 Douz
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: 1829 kWh per kWp.
49°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° | 1613 | 88% | 2.42 | 2.6× |
| 15° | 1773 | 97% | 3.32 | 1.8× |
| 30° year-round best | 1829 | 100% | 4.01 | 1.4× |
| 33° = latitude | 1827 | 100% | 4.12 | 1.3× |
| 45° | 1778 | 97% | 4.44 | 1.2× |
| 49° off-grid best | 1746 | 95% | 4.51 | 1.1× |
| 60° | 1624 | 89% | 4.58 | 1.3× |
| 70° | 1470 | 80% | 4.52 | 1.6× |
| 90° | 1069 | 58% | 4.01 | 2.8× |
A fixed array in Douz produces the most over a year at 30°. The design month for an off-grid system is December: at 49° it makes 4.51 kWh per kWp a day, 12% more than at 30°, and costs 5% of the yearly total. Why steep panels win winter.
Off-grid solar in Douz at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 30° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 30° | Mean temp. |
|---|---|---|---|---|---|
| January | 3.36 | 5.54 | 4.82 | 4.39 | 9.5 °C |
| February | 4.29 | 5.53 | 4.79 | 4.88 | 11.1 °C |
| March | 5.39 | 5.25 | 4.47 | 5.26 | 15.6 °C |
| April | 6.45 | 4.64 | 3.88 | 5.44 | 20.1 °C |
| May | 7.21 | 4.05 | 3.32 | 5.47 | 24.5 °C |
| June | 7.87 | 3.75 | 3.00 | 5.57 | 29.0 °C |
| July | 7.90 | 3.92 | 3.11 | 5.60 | 32.1 °C |
| August | 7.10 | 4.48 | 3.56 | 5.48 | 31.7 °C |
| September | 5.78 | 4.97 | 4.02 | 5.08 | 28.1 °C |
| October | 4.58 | 5.28 | 4.36 | 4.69 | 23.1 °C |
| November | 3.51 | 5.31 | 4.52 | 4.27 | 15.8 °C |
| December | 2.99 | 5.21 | 4.52 | 4.01 | 10.7 °C |
| Year | 5.54 avg | 4.82 avg | 1470 kWh | 1829 kWh |
Sizing example. To run a 1 kWh-per-day load through June on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 390 Wp of panels at 70°, versus 290 Wp at 30°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Douz
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.
3.9 mrow pitch at 70°
3.5 mrow pitch at 30°
How Douz compares in Tunisia
Against the other 125 places in Tunisia with climate data, for a fixed array at its best angle.
1stof 126 places in Tunisia for sunshine, shared: 5.54 peak sun hours a day on flat ground.
+11%solar energy a year compared with the average place in Tunisia: 1,829 against 1,645 kWh per kWp.
−19 mindaylight on the longest day, compared with Tunis: 14 h 22 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.
Douz shares the top spot for sunshine among the 126 places in Tunisia (5.54 peak sun hours a day); the least sunny are Grombalia and one other place with 4.68. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 3.00 kWh a day here, against 3.03 kWh on average in Tunisia. The shortest day lasts 9 h 56 min, +18 min compared with Tunis.
Solar forecast for Douz, 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 Douz
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Places near Douz
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A free, live card for Douz: 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.