Solarposition.org

Kagoshima · Japan · 31.65° N · 131.02° E

Solar position in Sueyoshichō-ninokata

Sun position, daylight and the best solar panel angle for Sueyoshichō-ninokata — computed for 31.65° N, 131.02° E, 188 m above sea level.

Sunrise today06:26104° ESE
Sunset today17:33256° WSW
Best panel angle28°year-round, facing south
Off-grid angle34°best for the darkest month

The sun right now

Azimuth180.0°
Elevation46.3°
At solar noon, 11:59Open on the sun map

Sun in Sueyoshichō-ninokata today

Sunday, 25 October 2026 · local time UTC+9

EventTimeDirection / height
Astronomical dawn05:04sun 18° below horizon
Nautical dawn05:3212° below
Civil dawn06:016° below
Sunrise06:26104° ESE
Golden hour ends06:59sun 6° up
Solar noon11:5946.3° high
Golden hour starts17:00sun 6° up
Sunset17:33256° WSW
Civil dusk17:586° below
Nautical dusk18:2612° below
Astronomical dusk18:5518° below
Day length11 h 07 min

Sun path diagram for Sueyoshichō-ninokata

Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.

15°30°45°60°75°N30°60°E120°150°S210°240°W300°330°June solstice678910111213141516171819EquinoxDecember solstice891011121314151617Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 81.8° at solar noon in Sueyoshichō-ninokata; on the December solstice only 34.9°. Sunrise swings from 62° ENE in June to 117° ESE in December — a 56° 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.

MonthSunriseSolar noonSunsetDay lengthNoon elevation
January07:1412:2717:3910 h 25 min38.5°
February06:5212:2918:0711 h 15 min47.8°
March06:1912:2318:2712 h 09 min58.6°
April05:4112:1418:4813 h 07 min70.2°
May05:1612:1219:0913 h 53 min78.5°
June05:1112:1719:2414 h 13 min81.8°
July05:2412:2219:1913 h 55 min78.8°
August05:4412:1918:5313 h 09 min70.5°
September06:0312:0818:1412 h 11 min59.1°
October06:2312:0017:3711 h 15 min47.7°
November06:4812:0117:1410 h 26 min38.5°
December07:1112:1317:1610 h 05 min34.9°

A year of daylight in Sueyoshichō-ninokata

Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.

00:0003:0006:0009:0012:0015:0018:0021:0000:00JanFebMarAprMayJunJulAugSepOctNovDec

Best solar panel angle in Sueyoshichō-ninokata

Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.

28°collects the most energy over a year: 1295 kWh per kWp.

34°gives the most in the darkest month — the one an off-grid system is sized for.

30%40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 28°Best worst-month 34°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°116990%1.922.2×
15°126798%2.471.8×
28° year-round best1295100%2.821.5×
30°1295100%2.871.5×
32° = latitude1293100%2.911.4×
34° off-grid best1290100%2.951.4×
45°125197%3.101.4×
60°113888%3.131.6×
70°102979%3.051.8×
90°75158%2.652.4×

A fixed array in Sueyoshichō-ninokata produces the most over a year at 28°. The design month for an off-grid system is December: at 34° it makes 2.95 kWh per kWp a day, 4% more than at 28°, and costs 0% of the yearly total. Why steep panels win winter.

Off-grid solar in Sueyoshichō-ninokata at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 28° (year-round best).

012345January: 3.10 (70°)3.1JanFebruary: 3.13 (70°)3.1FebMarch: 3.21 (70°)3.2MarApril: 2.83 (70°)2.8AprMay: 2.35 (70°)2.3MayJune: 1.84 (70°)1.8JunJuly: 2.24 (70°)2.2JulAugust: 2.72 (70°)2.7AugSeptember: 2.91 (70°)2.9SepOctober: 3.27 (70°)3.3OctNovember: 3.18 (70°)3.2NovDecember: 3.05 (70°)3.1Dec28°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 28°Mean temp.
January2.553.573.102.9510.2 °C
February3.153.623.133.3111.3 °C
March4.103.753.213.8913.4 °C
April4.813.362.834.0617.0 °C
May4.952.852.353.8320.5 °C
June4.142.281.843.0723.4 °C
July5.282.792.243.9026.7 °C
August5.383.382.724.2127.8 °C
September4.383.582.913.7825.8 °C
October3.703.943.273.6221.8 °C
November2.823.773.183.1217.3 °C
December2.383.543.052.8212.4 °C
Year3.98 avg3.37 avg1029 kWh1295 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 640 Wp of panels at 70°, versus 420 Wp at 28°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Sueyoshichō-ninokata

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.

3.7 mrow pitch at 70°

3.3 mrow pitch at 28°

Row spacing calculator

How Sueyoshichō-ninokata compares in Japan

Against the other 1,215 places in Japan with climate data, for a fixed array at its best angle.

70thof 1,216 places in Japan for sunshine, shared: 3.98 peak sun hours a day on flat ground.

+1%solar energy a year compared with the average place in Japan: 1,295 against 1,284 kWh per kWp.

−22 mindaylight on the longest day, compared with Tokyo: 14 h 13 min against 14 h 35 min.

28°best year-round tilt here; across Japan it runs from 17° in Miyakojima to 41° in Kushiro.

Of the 1,216 places in Japan, Miyakojima gets the most sun (4.34 peak sun hours a day) and Wakkanai and one other place the least (3.17); Sueyoshichō-ninokata ranks joint 70th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.84 kWh a day here, against 2.14 kWh on average in Japan. The shortest day lasts 10 h 05 min, +21 min compared with Tokyo.

The sunniest places in Japan

Solar forecast for Sueyoshichō-ninokata, next 48 hours

Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.

Loading the latest forecast…

Questions about the sun in Sueyoshichō-ninokata

What is the best solar panel angle in Sueyoshichō-ninokata?
For a fixed array facing south, the best year-round tilt in Sueyoshichō-ninokata is 28°, worth about 1295 kWh per kWp a year. An off-grid system that has to get through December does better at about 34°.
What time is sunrise and sunset in Sueyoshichō-ninokata today?
On 25 October 2026 the sun rises at 06:26 and sets at 17:33 local time (UTC+9), giving 11 h 07 min of daylight. Solar noon is at 11:59.
How many peak sun hours does Sueyoshichō-ninokata get?
On a flat surface 4.0 hours a day averaged over the year, from 2.4 in December to 5.4 in August. Panels tilted at 70° receive 2.3 sun hours a day in June.
How high does the sun get in Sueyoshichō-ninokata?
At solar noon the sun stands 81.8° above the horizon on the June solstice and 34.9° on the December solstice.
Is Sueyoshichō-ninokata a good place for solar panels?
With 4.0 peak sun hours a day on flat ground, Sueyoshichō-ninokata ranks joint 70th of 1,216 places in Japan for sunshine. A 1 kWp array at the best angle (28°) makes about 1,295 kWh a year here, 1% more than the average place in Japan.

Places near Sueyoshichō-ninokata

All places in Japan

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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.