Oran · Algeria · 35.57° N · 0.90° W
Solar position in Bou Tlelis
Sun position, daylight and the best solar panel angle for Bou Tlelis — computed for 35.57° N, 0.90° W, 103 m above sea level.
The sun right now
Sun in Bou Tlelis today
Saturday, 24 October 2026 · local time UTC+1
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:52 | sun 18° below horizon |
| Nautical dawn | 06:22 | 12° below |
| Civil dawn | 06:51 | 6° below |
| Sunrise | 07:17 | 104° ESE |
| Golden hour ends | 07:52 | sun 6° up |
| Solar noon | 12:47 | 42.6° high |
| Golden hour starts | 17:42 | sun 6° up |
| Sunset | 18:17 | 256° WSW |
| Civil dusk | 18:43 | 6° below |
| Nautical dusk | 19:13 | 12° below |
| Astronomical dusk | 19:42 | 18° below |
| Day length | 10 h 59 min | |
Sun path diagram for Bou Tlelis
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 77.9° at solar noon in Bou Tlelis; on the December solstice only 31.0°. Sunrise swings from 60° ENE in June to 119° ESE in December — a 59° 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 | 08:10 | 13:15 | 18:19 | 10 h 09 min | 34.6° |
| February | 07:43 | 13:17 | 18:51 | 11 h 08 min | 44.0° |
| March | 07:06 | 13:10 | 19:16 | 12 h 10 min | 54.8° |
| April | 06:23 | 13:02 | 19:41 | 13 h 18 min | 66.4° |
| May | 05:54 | 13:00 | 20:06 | 14 h 11 min | 74.7° |
| June | 05:48 | 13:05 | 20:22 | 14 h 34 min | 77.9° |
| July | 06:03 | 13:10 | 20:16 | 14 h 13 min | 74.8° |
| August | 06:27 | 13:06 | 19:45 | 13 h 18 min | 66.4° |
| September | 06:50 | 12:56 | 19:02 | 12 h 11 min | 55.0° |
| October | 07:15 | 12:48 | 18:20 | 11 h 06 min | 43.6° |
| November | 07:45 | 12:49 | 17:53 | 10 h 09 min | 34.5° |
| December | 08:09 | 13:01 | 17:54 | 9 h 45 min | 31.0° |
A year of daylight in Bou Tlelis
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 Bou Tlelis
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
31°collects the most energy over a year: 1686 kWh per kWp.
58°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° | 1475 | 87% | 1.98 | 3.0× |
| 15° | 1629 | 97% | 2.75 | 2.1× |
| 30° | 1686 | 100% | 3.35 | 1.6× |
| 31° year-round best | 1686 | 100% | 3.38 | 1.6× |
| 36° = latitude | 1681 | 100% | 3.53 | 1.5× |
| 45° | 1643 | 97% | 3.73 | 1.3× |
| 58° off-grid best | 1529 | 91% | 3.87 | 1.2× |
| 60° | 1505 | 89% | 3.87 | 1.2× |
| 70° | 1366 | 81% | 3.83 | 1.4× |
| 90° | 998 | 59% | 3.43 | 2.3× |
A fixed array in Bou Tlelis produces the most over a year at 31°. The design month for an off-grid system is December: at 58° it makes 3.87 kWh per kWp a day, 14% more than at 31°, and costs 9% of the yearly total. Why steep panels win winter.
Off-grid solar in Bou Tlelis at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 31° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 31° | Mean temp. |
|---|---|---|---|---|---|
| January | 2.78 | 4.70 | 4.05 | 3.67 | 12.4 °C |
| February | 3.67 | 4.91 | 4.23 | 4.25 | 12.7 °C |
| March | 4.85 | 4.94 | 4.23 | 4.86 | 14.5 °C |
| April | 5.86 | 4.37 | 3.70 | 5.10 | 16.5 °C |
| May | 6.77 | 3.89 | 3.24 | 5.28 | 19.3 °C |
| June | 7.45 | 3.67 | 3.01 | 5.42 | 22.9 °C |
| July | 7.24 | 3.85 | 3.13 | 5.34 | 26.0 °C |
| August | 6.59 | 4.37 | 3.55 | 5.27 | 26.6 °C |
| September | 5.33 | 4.78 | 3.94 | 4.86 | 23.9 °C |
| October | 4.12 | 5.00 | 4.17 | 4.39 | 20.9 °C |
| November | 2.91 | 4.52 | 3.85 | 3.60 | 16.1 °C |
| December | 2.49 | 4.46 | 3.83 | 3.38 | 13.4 °C |
| Year | 5.01 avg | 4.45 avg | 1366 kWh | 1686 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 350 Wp at 31°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Bou Tlelis
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.
4.2 mrow pitch at 70°
3.7 mrow pitch at 31°
How Bou Tlelis compares in Algeria
Against the other 293 places in Algeria with climate data, for a fixed array at its best angle.
124thof 294 places in Algeria for sunshine, shared: 5.01 peak sun hours a day on flat ground.
±0%solar energy a year compared with the average place in Algeria: 1,686 against 1,694 kWh per kWp.
−7 mindaylight on the longest day, compared with Algiers: 14 h 34 min against 14 h 41 min.
31°best year-round tilt here; across Algeria it runs from 23° in Tamanghasset to 32° in Ouled Djellal.
Of the 294 places in Algeria, Tamanghasset gets the most sun (6.40 peak sun hours a day) and Berrahal the least (4.73); Bou Tlelis ranks joint 124th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 3.01 kWh a day here, against 3.05 kWh on average in Algeria. The shortest day lasts 9 h 45 min, +6 min compared with Algiers.
Solar forecast for Bou Tlelis, 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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A free, live card for Bou Tlelis: 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.