Solarposition.org

Yamaguchi · Japan · 34.10° N · 131.40° E

Solar position in Ogōri-shimogō

Sun position, daylight and the best solar panel angle for Ogōri-shimogō — computed for 34.10° N, 131.40° E, 4 m above sea level.

Sunrise today06:27104° ESE
Sunset today17:29256° WSW
Best panel angle28°year-round, facing south
Off-grid angle55°best for the darkest month

The sun right now

Azimuth180.0°
Elevation43.8°
At solar noon, 11:58Open on the sun map

Sun in Ogōri-shimogō today

Sunday, 25 October 2026 · local time UTC+9

EventTimeDirection / height
Astronomical dawn05:03sun 18° below horizon
Nautical dawn05:3212° below
Civil dawn06:016° below
Sunrise06:27104° ESE
Golden hour ends07:01sun 6° up
Solar noon11:5843.8° high
Golden hour starts16:54sun 6° up
Sunset17:29256° WSW
Civil dusk17:546° below
Nautical dusk18:2312° below
Astronomical dusk18:5318° below
Day length11 h 02 min

Sun path diagram for Ogōri-shimogō

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 79.3° at solar noon in Ogōri-shimogō; on the December solstice only 32.5°. Sunrise swings from 61° ENE in June to 118° ESE in December — a 57° 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
January07:1812:2517:3310 h 15 min36.0°
February06:5312:2818:0311 h 10 min45.3°
March06:1712:2118:2612 h 09 min56.1°
April05:3612:1318:5013 h 13 min67.7°
May05:0912:1119:1314 h 04 min76.1°
June05:0312:1619:2914 h 26 min79.3°
July05:1712:2019:2314 h 06 min76.4°
August05:3912:1718:5413 h 15 min68.0°
September06:0112:0718:1312 h 12 min56.6°
October06:2411:5817:3311 h 10 min45.2°
November06:5212:0017:0710 h 15 min36.0°
December07:1512:1217:089 h 53 min32.5°

A year of daylight in Ogōri-shimogō

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 Ogōri-shimogō

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: 1238 kWh per kWp.

55°gives the most in the darkest month — the one an off-grid system is sized for.

50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 28°Best worst-month 55°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°112191%1.552.8×
15°121298%1.972.2×
28° year-round best1238100%2.241.9×
30°1237100%2.281.8×
34° = latitude1232100%2.331.8×
45°119597%2.451.6×
55° off-grid best113191%2.481.5×
60°108988%2.481.4×
70°98680%2.411.5×
90°72459%2.111.9×

A fixed array in Ogōri-shimogō produces the most over a year at 28°. The design month for an off-grid system is December: at 55° it makes 2.48 kWh per kWp a day, 11% more than at 28°, and costs 9% of the yearly total. Why steep panels win winter.

Off-grid solar in Ogōri-shimogō at 70°

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

012345January: 2.45 (70°)2.4JanFebruary: 2.82 (70°)2.8FebMarch: 3.17 (70°)3.2MarApril: 3.01 (70°)3.0AprMay: 2.62 (70°)2.6MayJune: 2.16 (70°)2.2JunJuly: 2.22 (70°)2.2JulAugust: 2.72 (70°)2.7AugSeptember: 2.81 (70°)2.8SepOctober: 3.16 (70°)3.2OctNovember: 2.88 (70°)2.9NovDecember: 2.41 (70°)2.4Dec28°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 28°Mean temp.
January2.072.792.452.356.4 °C
February2.823.222.822.977.2 °C
March3.893.653.173.769.5 °C
April4.833.533.014.1813.6 °C
May5.283.142.624.1917.8 °C
June4.662.652.163.5321.5 °C
July4.782.752.223.6125.3 °C
August5.083.372.724.0526.7 °C
September4.063.432.813.5623.6 °C
October3.453.773.163.4418.9 °C
November2.513.362.882.7914.0 °C
December1.922.772.412.248.7 °C
Year3.78 avg3.20 avg986 kWh1238 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 550 Wp of panels at 70°, versus 530 Wp at 28°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Ogōri-shimogō

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.

4.0 mrow pitch at 70°

3.4 mrow pitch at 28°

Row spacing calculator

How Ogōri-shimogō compares in Japan

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

840thof 1,216 places in Japan for sunshine, shared: 3.78 peak sun hours a day on flat ground.

−4%solar energy a year compared with the average place in Japan: 1,238 against 1,284 kWh per kWp.

−9 mindaylight on the longest day, compared with Tokyo: 14 h 26 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); Ogōri-shimogō ranks joint 840th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 2.16 kWh a day here, against 2.14 kWh on average in Japan. The shortest day lasts 9 h 53 min, +8 min compared with Tokyo.

The sunniest places in Japan

Solar forecast for Ogōri-shimogō, 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 Ogōri-shimogō

What is the best solar panel angle in Ogōri-shimogō?
For a fixed array facing south, the best year-round tilt in Ogōri-shimogō is 28°, worth about 1238 kWh per kWp a year. An off-grid system that has to get through December does better at about 55°.
What time is sunrise and sunset in Ogōri-shimogō today?
On 25 October 2026 the sun rises at 06:27 and sets at 17:29 local time (UTC+9), giving 11 h 02 min of daylight. Solar noon is at 11:58.
How many peak sun hours does Ogōri-shimogō get?
On a flat surface 3.8 hours a day averaged over the year, from 1.9 in December to 5.3 in May. Panels tilted at 70° receive 2.6 sun hours a day in June.
How high does the sun get in Ogōri-shimogō?
At solar noon the sun stands 79.3° above the horizon on the June solstice and 32.5° on the December solstice.
Is Ogōri-shimogō a good place for solar panels?
With 3.8 peak sun hours a day on flat ground, Ogōri-shimogō ranks joint 840th of 1,216 places in Japan for sunshine. A 1 kWp array at the best angle (28°) makes about 1,238 kWh a year here, 4% less than the average place in Japan.

Places near Ogōri-shimogō

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.