Ouadaï · Chad · 13.47° N · 22.20° E
Solar position in Adré
Sun position, daylight and the best solar panel angle for Adré — computed for 13.47° N, 22.20° E, 797 m above sea level.
The sun right now
Sun in Adré today
Saturday, 24 October 2026 · local time UTC+1
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:11 | sun 18° below horizon |
| Nautical dawn | 04:36 | 12° below |
| Civil dawn | 05:01 | 6° below |
| Sunrise | 05:23 | 102° ESE |
| Golden hour ends | 05:52 | sun 6° up |
| Solar noon | 11:15 | 64.7° high |
| Golden hour starts | 16:38 | sun 6° up |
| Sunset | 17:07 | 258° WSW |
| Civil dusk | 17:28 | 6° below |
| Nautical dusk | 17:54 | 12° below |
| Astronomical dusk | 18:19 | 18° below |
| Day length | 11 h 44 min | |
Sun path diagram for Adré
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 Adré; on the December solstice only 53.1°. Sunrise swings from 66° ENE in June to 114° ESE in December — a 48° 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 | 05:58 | 11:42 | 17:26 | 11 h 28 min | 56.7° |
| February | 05:51 | 11:44 | 17:38 | 11 h 47 min | 66.1° |
| March | 05:34 | 11:38 | 17:42 | 12 h 07 min | 76.9° |
| April | 05:14 | 11:29 | 17:45 | 12 h 30 min | 88.5° |
| May | 05:03 | 11:27 | 17:51 | 12 h 48 min | 83.2° |
| June | 05:05 | 11:33 | 18:00 | 12 h 55 min | 80.0° |
| July | 05:13 | 11:37 | 18:01 | 12 h 48 min | 83.0° |
| August | 05:19 | 11:34 | 17:49 | 12 h 30 min | 88.6° |
| September | 05:20 | 11:24 | 17:28 | 12 h 08 min | 77.1° |
| October | 05:22 | 11:15 | 17:08 | 11 h 46 min | 65.8° |
| November | 05:33 | 11:16 | 17:00 | 11 h 28 min | 56.6° |
| December | 05:49 | 11:29 | 17:09 | 11 h 20 min | 53.1° |
A year of daylight in Adré
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 Adré
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
16°collects the most energy over a year: 1946 kWh per kWp.
0°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 | August kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° off-grid best | 1884 | 97% | 4.69 | 1.2× |
| 13° = latitude | 1944 | 100% | 4.53 | 1.3× |
| 15° | 1946 | 100% | 4.49 | 1.3× |
| 16° year-round best | 1946 | 100% | 4.47 | 1.3× |
| 30° | 1895 | 97% | 4.05 | 1.6× |
| 45° | 1737 | 89% | 3.40 | 2.1× |
| 60° | 1483 | 76% | 2.58 | 2.9× |
| 70° | 1273 | 65% | 1.98 | 3.9× |
| 90° | 865 | 44% | 1.11 | 4.1× |
A fixed array in Adré produces the most over a year at 16°. The design month for an off-grid system is August: at 0° it makes 4.69 kWh per kWp a day, 5% more than at 16°, and costs 3% of the yearly total. Why steep panels win winter.
Off-grid solar in Adré at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 16° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 16° | Mean temp. |
|---|---|---|---|---|---|
| January | 6.17 | 6.82 | 5.66 | 5.84 | 21.6 °C |
| February | 6.67 | 5.82 | 4.78 | 5.85 | 24.8 °C |
| March | 7.12 | 4.64 | 3.77 | 5.79 | 27.6 °C |
| April | 7.34 | 3.30 | 2.64 | 5.57 | 30.0 °C |
| May | 7.10 | 2.30 | 1.81 | 5.11 | 31.0 °C |
| June | 6.84 | 1.92 | 1.50 | 4.84 | 29.8 °C |
| July | 6.18 | 2.00 | 1.58 | 4.50 | 26.8 °C |
| August | 5.85 | 2.45 | 1.98 | 4.47 | 24.6 °C |
| September | 6.34 | 3.61 | 2.94 | 5.09 | 25.4 °C |
| October | 6.40 | 5.01 | 4.09 | 5.46 | 25.8 °C |
| November | 6.25 | 6.50 | 5.35 | 5.77 | 23.8 °C |
| December | 5.97 | 7.02 | 5.82 | 5.74 | 21.6 °C |
| Year | 6.52 avg | 4.27 avg | 1273 kWh | 1946 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 790 Wp of panels at 70°, versus 260 Wp at 16°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Adré
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.
2.3 mrow pitch at 70°
2.4 mrow pitch at 16°
How Adré compares in Chad
Against the other 45 places in Chad with climate data, for a fixed array at its best angle.
6thof 46 places in Chad for sunshine: 6.52 peak sun hours a day on flat ground.
+9%solar energy a year compared with the average place in Chad: 1,946 against 1,783 kWh per kWp.
+5 mindaylight on the longest day, compared with N'Djamena: 12 h 55 min against 12 h 50 min.
16°best year-round tilt here; across Chad it runs from 12° in Moundou to 17° in Iriba.
Of the 46 places in Chad, Amdjarass gets the most sun (6.85 peak sun hours a day) and Moïssala the least (5.69); Adré ranks 6th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.50 kWh a day here, against 1.39 kWh on average in Chad. The shortest day lasts 11 h 20 min, −5 min compared with N'Djamena.
Solar forecast for Adré, 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 Adré
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Places near Adré
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A free, live card for Adré: 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.