Yamanashi · Japan · 35.62° N · 138.46° E
Solar position in Minami-Alps
Sun position, daylight and the best solar panel angle for Minami-Alps — computed for 35.62° N, 138.46° E, 298 m above sea level.
The sun right now
Sun in Minami-Alps today
Sunday, 25 October 2026 · local time UTC+9
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:35 | sun 18° below horizon |
| Nautical dawn | 05:05 | 12° below |
| Civil dawn | 05:35 | 6° below |
| Sunrise | 06:01 | 104° ESE |
| Golden hour ends | 06:36 | sun 6° up |
| Solar noon | 11:30 | 42.3° high |
| Golden hour starts | 16:23 | sun 6° up |
| Sunset | 16:59 | 256° WSW |
| Civil dusk | 17:25 | 6° below |
| Nautical dusk | 17:54 | 12° below |
| Astronomical dusk | 18:24 | 18° below |
| Day length | 10 h 58 min | |
Sun path diagram for Minami-Alps
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 77.8° at solar noon in Minami-Alps; on the December solstice only 31.0°. Sunrise swings from 60° ENE in June to 119° ESE in December — a 59° 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 | 06:53 | 11:57 | 17:01 | 10 h 09 min | 34.5° |
| February | 06:26 | 11:59 | 17:33 | 11 h 07 min | 43.8° |
| March | 05:49 | 11:53 | 17:58 | 12 h 09 min | 54.6° |
| April | 05:06 | 11:45 | 18:23 | 13 h 17 min | 66.2° |
| May | 04:37 | 11:42 | 18:48 | 14 h 11 min | 74.6° |
| June | 04:30 | 11:47 | 19:05 | 14 h 34 min | 77.8° |
| July | 04:45 | 11:52 | 18:59 | 14 h 13 min | 74.9° |
| August | 05:09 | 11:49 | 18:28 | 13 h 19 min | 66.5° |
| September | 05:32 | 11:39 | 17:45 | 12 h 12 min | 55.1° |
| October | 05:57 | 11:30 | 17:03 | 11 h 06 min | 43.7° |
| November | 06:27 | 11:31 | 16:36 | 10 h 09 min | 34.5° |
| December | 06:51 | 11:44 | 16:36 | 9 h 45 min | 31.0° |
A year of daylight in Minami-Alps
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 Minami-Alps
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
36°collects the most energy over a year: 1394 kWh per kWp.
35°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° | 1182 | 85% | 3.71 | 2.1× |
| 15° | 1321 | 95% | 3.71 | 1.5× |
| 30° | 1388 | 100% | 3.52 | 1.3× |
| 35° off-grid best | 1394 | 100% | 3.42 | 1.3× |
| 36° year-round best = latitude | 1394 | 100% | 3.39 | 1.3× |
| 45° | 1379 | 99% | 3.16 | 1.4× |
| 60° | 1295 | 93% | 2.65 | 1.7× |
| 70° | 1199 | 86% | 2.25 | 2.1× |
| 90° | 934 | 67% | 1.40 | 3.1× |
A fixed array in Minami-Alps produces the most over a year at 36°. The design month for an off-grid system is July: at 35° it makes 3.42 kWh per kWp a day, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Minami-Alps at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 36° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 36° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 2.74 | 5.04 | 4.61 | 4.10 | -3.1 °C |
| February snow | 3.39 | 4.65 | 4.23 | 4.22 | -1.8 °C |
| March | 4.18 | 4.15 | 3.72 | 4.33 | 1.8 °C |
| April | 4.86 | 3.64 | 3.18 | 4.27 | 7.4 °C |
| May | 5.23 | 3.20 | 2.72 | 4.08 | 12.9 °C |
| June | 4.61 | 2.69 | 2.24 | 3.42 | 16.9 °C |
| July | 4.59 | 2.74 | 2.25 | 3.39 | 20.9 °C |
| August | 4.77 | 3.26 | 2.69 | 3.78 | 21.7 °C |
| September | 3.87 | 3.34 | 2.81 | 3.47 | 18.0 °C |
| October | 3.21 | 3.62 | 3.12 | 3.41 | 12.0 °C |
| November | 2.74 | 4.21 | 3.72 | 3.62 | 5.8 °C |
| December snow | 2.46 | 4.63 | 4.19 | 3.75 | 0.0 °C |
| Year | 3.89 avg | 3.76 avg | 1199 kWh | 1394 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 530 Wp of panels at 70°, versus 350 Wp at 36°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Minami-Alps
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.
4.3 mrow pitch at 70°
3.8 mrow pitch at 36°
How Minami-Alps compares in Japan
Against the other 1,215 places in Japan with climate data, for a fixed array at its best angle.
268thof 1,216 places in Japan for sunshine, shared: 3.89 peak sun hours a day on flat ground.
+9%solar energy a year compared with the average place in Japan: 1,394 against 1,284 kWh per kWp.
±0 mindaylight on the longest day, compared with Tokyo: 14 h 34 min against 14 h 35 min.
36°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); Minami-Alps ranks joint 268th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 2.24 kWh a day here, against 2.14 kWh on average in Japan. The shortest day lasts 9 h 45 min, ±0 min compared with Tokyo.
Solar forecast for Minami-Alps, 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 Minami-Alps
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Places near Minami-Alps
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A free, live card for Minami-Alps: 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.