Solarposition.org

Hyōgo · Japan · 35.00° N · 134.55° E

Solar position in Yamazakichō-nakabirose

Sun position, daylight and the best solar panel angle for Yamazakichō-nakabirose — computed for 35.00° N, 134.55° E, 95 m above sea level.

Sunrise today06:15104° ESE
Sunset today17:15256° WSW
Best panel angle29°year-round, facing south
Off-grid angle58°best for the darkest month

The sun right now

Azimuth180.0°
Elevation42.9°
At solar noon, 11:45Open on the sun map

Sun in Yamazakichō-nakabirose today

Sunday, 25 October 2026 · local time UTC+9

EventTimeDirection / height
Astronomical dawn04:51sun 18° below horizon
Nautical dawn05:2012° below
Civil dawn05:506° below
Sunrise06:15104° ESE
Golden hour ends06:50sun 6° up
Solar noon11:4542.9° high
Golden hour starts16:40sun 6° up
Sunset17:15256° WSW
Civil dusk17:416° below
Nautical dusk18:1012° below
Astronomical dusk18:4018° below
Day length10 h 59 min

Sun path diagram for Yamazakichō-nakabirose

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 solstice5678910111213141516171819EquinoxDecember solstice8910111213141516Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 78.4° at solar noon in Yamazakichō-nakabirose; on the December solstice only 31.6°. Sunrise swings from 60° ENE in June to 118° ESE in December — a 58° 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
January07:0712:1317:1810 h 11 min35.1°
February06:4112:1517:4911 h 08 min44.4°
March06:0412:0918:1312 h 09 min55.2°
April05:2212:0018:3813 h 16 min66.8°
May04:5411:5819:0214 h 08 min75.2°
June04:4812:0319:1814 h 31 min78.4°
July05:0212:0819:1314 h 10 min75.5°
August05:2612:0418:4313 h 18 min67.1°
September05:4811:5418:0012 h 12 min55.7°
October06:1211:4617:2011 h 08 min44.4°
November06:4111:4716:5310 h 12 min35.1°
December07:0511:5916:539 h 48 min31.6°

A year of daylight in Yamazakichō-nakabirose

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 Yamazakichō-nakabirose

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

29°collects the most energy over a year: 1256 kWh per kWp.

58°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 29°Best worst-month 58°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°112690%1.582.8×
15°122597%2.052.1×
29° year-round best1256100%2.391.8×
30°1256100%2.411.7×
35° = latitude1251100%2.501.7×
45°121997%2.631.5×
58° off-grid best113390%2.681.3×
60°111589%2.681.3×
70°101381%2.631.4×
90°74860%2.311.8×

A fixed array in Yamazakichō-nakabirose produces the most over a year at 29°. The design month for an off-grid system is December: at 58° it makes 2.68 kWh per kWp a day, 12% more than at 29°, and costs 10% of the yearly total. Why steep panels win winter.

Off-grid solar in Yamazakichō-nakabirose at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 29° (year-round best).

012345January: 2.68 (70°)2.7JanFebruary: 2.88 (70°)2.9FebMarch: 3.22 (70°)3.2MarApril: 3.07 (70°)3.1AprMay: 2.66 (70°)2.7MayJune: 2.28 (70°)2.3JunJuly: 2.29 (70°)2.3JulAugust: 2.80 (70°)2.8AugSeptember: 2.82 (70°)2.8SepOctober: 3.07 (70°)3.1OctNovember: 2.91 (70°)2.9NovDecember: 2.63 (70°)2.6Dec29°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 29°Mean temp.
January2.113.022.682.534.0 °C
February2.783.252.883.004.6 °C
March3.843.683.223.787.3 °C
April4.833.583.074.2312.1 °C
May5.283.182.664.2116.9 °C
June4.882.782.283.7020.9 °C
July4.872.832.293.6825.0 °C
August5.143.462.804.1226.1 °C
September3.993.422.823.5322.6 °C
October3.263.643.073.3217.1 °C
November2.413.372.912.7911.7 °C
December1.942.992.632.396.4 °C
Year3.78 avg3.27 avg1013 kWh1256 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 520 Wp of panels at 70°, versus 490 Wp at 29°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Yamazakichō-nakabirose

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°

3.5 mrow pitch at 29°

Row spacing calculator

How Yamazakichō-nakabirose 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.

−2%solar energy a year compared with the average place in Japan: 1,256 against 1,284 kWh per kWp.

−4 mindaylight on the longest day, compared with Tokyo: 14 h 31 min against 14 h 35 min.

29°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); Yamazakichō-nakabirose ranks joint 840th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 2.28 kWh a day here, against 2.14 kWh on average in Japan. The shortest day lasts 9 h 48 min, +4 min compared with Tokyo.

The sunniest places in Japan

Solar forecast for Yamazakichō-nakabirose, 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 Yamazakichō-nakabirose

What is the best solar panel angle in Yamazakichō-nakabirose?
For a fixed array facing south, the best year-round tilt in Yamazakichō-nakabirose is 29°, worth about 1256 kWh per kWp a year. An off-grid system that has to get through December does better at about 58°.
What time is sunrise and sunset in Yamazakichō-nakabirose today?
On 25 October 2026 the sun rises at 06:15 and sets at 17:15 local time (UTC+9), giving 10 h 59 min of daylight. Solar noon is at 11:45.
How many peak sun hours does Yamazakichō-nakabirose 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 2.8 sun hours a day in June.
How high does the sun get in Yamazakichō-nakabirose?
At solar noon the sun stands 78.4° above the horizon on the June solstice and 31.6° on the December solstice.
Is Yamazakichō-nakabirose a good place for solar panels?
With 3.8 peak sun hours a day on flat ground, Yamazakichō-nakabirose ranks joint 840th of 1,216 places in Japan for sunshine. A 1 kWp array at the best angle (29°) makes about 1,256 kWh a year here, 2% less than the average place in Japan.

Places near Yamazakichō-nakabirose

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.