Oromiya · Ethiopia · 9.40° N · 41.56° E
Solar position in Chelenko
Sun position, daylight and the best solar panel angle for Chelenko — computed for 9.40° N, 41.56° E, 2156 m above sea level.
The sun right now
Sun in Chelenko today
Saturday, 24 October 2026 · local time UTC+3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:51 | sun 18° below horizon |
| Nautical dawn | 05:16 | 12° below |
| Civil dawn | 05:41 | 6° below |
| Sunrise | 06:02 | 102° ESE |
| Golden hour ends | 06:30 | sun 6° up |
| Solar noon | 11:57 | 68.8° high |
| Golden hour starts | 17:25 | sun 6° up |
| Sunset | 17:53 | 258° WSW |
| Civil dusk | 18:14 | 6° below |
| Nautical dusk | 18:39 | 12° below |
| Astronomical dusk | 19:04 | 18° below |
| Day length | 11 h 51 min | |
Sun path diagram for Chelenko
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 76.0° at solar noon in Chelenko; on the December solstice only 57.2°. 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 | 06:35 | 12:25 | 18:15 | 11 h 40 min | 60.7° |
| February | 06:31 | 12:27 | 18:23 | 11 h 53 min | 70.1° |
| March | 06:17 | 12:20 | 18:24 | 12 h 07 min | 80.9° |
| April | 06:01 | 12:12 | 18:23 | 12 h 23 min | 87.5° |
| May | 05:52 | 12:10 | 18:27 | 12 h 35 min | 79.2° |
| June | 05:55 | 12:15 | 18:35 | 12 h 40 min | 76.0° |
| July | 06:02 | 12:20 | 18:37 | 12 h 36 min | 79.0° |
| August | 06:05 | 12:16 | 18:28 | 12 h 23 min | 87.4° |
| September | 06:03 | 12:06 | 18:10 | 12 h 07 min | 81.2° |
| October | 06:02 | 11:58 | 17:54 | 11 h 52 min | 69.8° |
| November | 06:09 | 11:59 | 17:49 | 11 h 40 min | 60.7° |
| December | 06:24 | 12:11 | 17:59 | 11 h 35 min | 57.2° |
A year of daylight in Chelenko
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 Chelenko
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
12°collects the most energy over a year: 1899 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 | July kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° off-grid best | 1865 | 98% | 4.86 | 1.1× |
| 9° = latitude | 1897 | 100% | 4.62 | 1.2× |
| 12° year-round best | 1899 | 100% | 4.52 | 1.3× |
| 15° | 1896 | 100% | 4.41 | 1.3× |
| 30° | 1815 | 96% | 3.73 | 1.7× |
| 45° | 1630 | 86% | 2.86 | 2.2× |
| 60° | 1358 | 72% | 1.92 | 3.3× |
| 70° | 1144 | 60% | 1.36 | 4.6× |
| 90° | 767 | 40% | 1.13 | 4.3× |
A fixed array in Chelenko produces the most over a year at 12°. The design month for an off-grid system is July: at 0° it makes 4.86 kWh per kWp a day, 7% more than at 12°, and costs 2% of the yearly total. Why steep panels win winter.
Off-grid solar in Chelenko at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 12° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 12° | Mean temp. |
|---|---|---|---|---|---|
| January | 6.12 | 6.28 | 5.26 | 5.56 | 20.2 °C |
| February | 6.72 | 5.48 | 4.56 | 5.82 | 22.0 °C |
| March | 6.76 | 3.96 | 3.27 | 5.54 | 23.4 °C |
| April | 6.45 | 2.48 | 2.02 | 5.04 | 23.3 °C |
| May | 6.63 | 1.69 | 1.35 | 4.96 | 23.7 °C |
| June | 6.43 | 1.54 | 1.22 | 4.74 | 23.5 °C |
| July | 6.02 | 1.70 | 1.36 | 4.52 | 22.2 °C |
| August | 6.15 | 2.14 | 1.74 | 4.76 | 21.6 °C |
| September | 6.23 | 3.17 | 2.61 | 5.03 | 22.0 °C |
| October | 6.34 | 4.57 | 3.80 | 5.38 | 21.5 °C |
| November | 6.15 | 5.90 | 4.93 | 5.51 | 20.4 °C |
| December | 6.05 | 6.65 | 5.57 | 5.59 | 19.5 °C |
| Year | 6.34 avg | 3.79 avg | 1144 kWh | 1899 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 970 Wp of panels at 70°, versus 260 Wp at 12°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Chelenko
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.
2.0 mrow pitch at 70°
2.3 mrow pitch at 12°
How Chelenko compares in Ethiopia
Against the other 232 places in Ethiopia with climate data, for a fixed array at its best angle.
23rdof 233 places in Ethiopia for sunshine, shared: 6.34 peak sun hours a day on flat ground.
+6%solar energy a year compared with the average place in Ethiopia: 1,899 against 1,799 kWh per kWp.
+1 mindaylight on the longest day, compared with Addis Ababa: 12 h 40 min against 12 h 39 min.
12°best year-round tilt here; across Ethiopia it runs from 7° in Kahandhale to 17° in Inda Silasē.
Of the 233 places in Ethiopia, Hartīshēk gets the most sun (6.56 peak sun hours a day) and Tēpī the least (5.08); Chelenko ranks joint 23rd. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.22 kWh a day here, against 1.32 kWh on average in Ethiopia. The shortest day lasts 11 h 35 min, −1 min compared with Addis Ababa.
Solar forecast for Chelenko, 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 Chelenko: 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.