Osun State · Nigeria · 7.85° N · 4.33° E
Solar position in Inisa
Sun position, daylight and the best solar panel angle for Inisa — computed for 7.85° N, 4.33° E, 370 m above sea level.
The sun right now
Sun in Inisa today
Saturday, 24 October 2026 · local time UTC+1
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:19 | sun 18° below horizon |
| Nautical dawn | 05:44 | 12° below |
| Civil dawn | 06:08 | 6° below |
| Sunrise | 06:30 | 102° ESE |
| Golden hour ends | 06:58 | sun 6° up |
| Solar noon | 12:26 | 70.3° high |
| Golden hour starts | 17:55 | sun 6° up |
| Sunset | 18:23 | 258° WSW |
| Civil dusk | 18:44 | 6° below |
| Nautical dusk | 19:09 | 12° below |
| Astronomical dusk | 19:34 | 18° below |
| Day length | 11 h 54 min | |
Sun path diagram for Inisa
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 74.4° at solar noon in Inisa; on the December solstice only 58.7°. Sunrise swings from 66° ENE in June to 114° ESE in December — a 47° 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 | 07:01 | 12:54 | 18:46 | 11 h 44 min | 62.3° |
| February | 06:58 | 12:56 | 18:53 | 11 h 55 min | 71.7° |
| March | 06:46 | 12:49 | 18:53 | 12 h 07 min | 82.5° |
| April | 06:31 | 12:41 | 18:51 | 12 h 20 min | 85.9° |
| May | 06:24 | 12:39 | 18:54 | 12 h 31 min | 77.6° |
| June | 06:27 | 12:44 | 19:01 | 12 h 35 min | 74.4° |
| July | 06:33 | 12:49 | 19:04 | 12 h 31 min | 77.4° |
| August | 06:35 | 12:45 | 18:55 | 12 h 20 min | 85.8° |
| September | 06:32 | 12:35 | 18:39 | 12 h 07 min | 82.7° |
| October | 06:29 | 12:27 | 18:24 | 11 h 55 min | 71.4° |
| November | 06:36 | 12:28 | 18:20 | 11 h 44 min | 62.2° |
| December | 06:50 | 12:40 | 18:30 | 11 h 40 min | 58.7° |
A year of daylight in Inisa
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 Inisa
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
10°collects the most energy over a year: 1389 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 | 1375 | 99% | 2.93 | 1.4× |
| 8° = latitude | 1389 | 100% | 2.88 | 1.5× |
| 10° year-round best | 1389 | 100% | 2.86 | 1.5× |
| 15° | 1385 | 100% | 2.80 | 1.6× |
| 30° | 1324 | 95% | 2.54 | 1.8× |
| 45° | 1195 | 86% | 2.16 | 2.2× |
| 60° | 1010 | 73% | 1.69 | 2.8× |
| 70° | 867 | 62% | 1.36 | 3.3× |
| 90° | 609 | 44% | 0.97 | 3.0× |
A fixed array in Inisa produces the most over a year at 10°. The design month for an off-grid system is August: at 0° it makes 2.93 kWh per kWp a day, 2% more than at 10°, and costs 1% of the yearly total. Why steep panels win winter.
Off-grid solar in Inisa at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 10° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 10° | Mean temp. |
|---|---|---|---|---|---|
| January | 5.01 | 4.40 | 3.62 | 4.24 | 24.3 °C |
| February | 4.98 | 3.70 | 3.01 | 4.08 | 26.3 °C |
| March | 5.22 | 3.17 | 2.56 | 4.17 | 26.9 °C |
| April | 5.24 | 2.41 | 1.93 | 4.07 | 26.6 °C |
| May | 5.05 | 1.81 | 1.44 | 3.85 | 25.9 °C |
| June | 4.58 | 1.58 | 1.25 | 3.46 | 25.0 °C |
| July | 3.94 | 1.52 | 1.20 | 3.00 | 24.3 °C |
| August | 3.68 | 1.70 | 1.36 | 2.86 | 24.0 °C |
| September | 4.18 | 2.35 | 1.90 | 3.32 | 24.4 °C |
| October | 4.76 | 3.29 | 2.69 | 3.90 | 25.0 °C |
| November | 5.19 | 4.48 | 3.67 | 4.40 | 25.3 °C |
| December | 5.05 | 4.78 | 3.93 | 4.35 | 24.5 °C |
| Year | 4.74 avg | 2.93 avg | 867 kWh | 1389 kWh |
Sizing example. To run a 1 kWh-per-day load through July on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 990 Wp of panels at 70°, versus 410 Wp at 10°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Inisa
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°
2.2 mrow pitch at 10°
How Inisa compares in Nigeria
Against the other 267 places in Nigeria with climate data, for a fixed array at its best angle.
154thof 268 places in Nigeria for sunshine, shared: 4.74 peak sun hours a day on flat ground.
−7%solar energy a year compared with the average place in Nigeria: 1,389 against 1,489 kWh per kWp.
+5 mindaylight on the longest day, compared with Lagos: 12 h 35 min against 12 h 30 min.
10°best year-round tilt here; across Nigeria it runs from 7° in Port Harcourt to 15° in Gamboru.
Of the 268 places in Nigeria, Kumagunnam and one other place get the most sun (6.17 peak sun hours a day) and Bonny the least (4.14); Inisa ranks joint 154th. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 1.20 kWh a day here, against 1.26 kWh on average in Nigeria. The shortest day lasts 11 h 40 min, −5 min compared with Lagos.
Solar forecast for Inisa, 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 Inisa
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Places near Inisa
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A free, live card for Inisa: 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.