Fukushima · Japan · 37.41° N · 139.81° E
Solar position in Aizu-misato Machi
Sun position, daylight and the best solar panel angle for Aizu-misato Machi — computed for 37.41° N, 139.81° E, 389 m above sea level.
The sun right now
Sun in Aizu-misato Machi today
Sunday, 25 October 2026 · local time UTC+9
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:30 | sun 18° below horizon |
| Nautical dawn | 05:00 | 12° below |
| Civil dawn | 05:31 | 6° below |
| Sunrise | 05:57 | 104° ESE |
| Golden hour ends | 06:34 | sun 6° up |
| Solar noon | 11:24 | 40.5° high |
| Golden hour starts | 16:15 | sun 6° up |
| Sunset | 16:51 | 255° WSW |
| Civil dusk | 17:17 | 6° below |
| Nautical dusk | 17:48 | 12° below |
| Astronomical dusk | 18:18 | 18° below |
| Day length | 10 h 53 min | |
Sun path diagram for Aizu-misato Machi
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 76.0° at solar noon in Aizu-misato Machi; on the December solstice only 29.2°. Sunrise swings from 59° ENE in June to 119° ESE in December — a 60° 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 | 06:51 | 11:52 | 16:52 | 10 h 01 min | 32.7° |
| February | 06:23 | 11:54 | 17:26 | 11 h 03 min | 42.0° |
| March | 05:43 | 11:48 | 17:53 | 12 h 09 min | 52.8° |
| April | 04:58 | 11:39 | 18:20 | 13 h 22 min | 64.4° |
| May | 04:27 | 11:37 | 18:47 | 14 h 20 min | 72.8° |
| June | 04:20 | 11:42 | 19:04 | 14 h 45 min | 76.0° |
| July | 04:35 | 11:47 | 18:58 | 14 h 22 min | 73.1° |
| August | 05:01 | 11:43 | 18:25 | 13 h 24 min | 64.7° |
| September | 05:27 | 11:33 | 17:40 | 12 h 13 min | 53.3° |
| October | 05:54 | 11:25 | 16:56 | 11 h 02 min | 41.9° |
| November | 06:25 | 11:26 | 16:26 | 10 h 01 min | 32.7° |
| December | 06:51 | 11:38 | 16:26 | 9 h 35 min | 29.2° |
A year of daylight in Aizu-misato Machi
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 Aizu-misato Machi
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
32°collects the most energy over a year: 1208 kWh per kWp.
60°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 | December kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1066 | 88% | 1.38 | 3.1× |
| 15° | 1168 | 97% | 1.83 | 2.4× |
| 30° | 1208 | 100% | 2.18 | 1.9× |
| 32° year-round best | 1208 | 100% | 2.22 | 1.9× |
| 37° = latitude | 1205 | 100% | 2.30 | 1.8× |
| 45° | 1184 | 98% | 2.40 | 1.6× |
| 60° off-grid best | 1099 | 91% | 2.47 | 1.4× |
| 70° | 1010 | 84% | 2.43 | 1.5× |
| 90° | 774 | 64% | 2.17 | 2.1× |
A fixed array in Aizu-misato Machi produces the most over a year at 32°. The design month for an off-grid system is December: at 60° it makes 2.47 kWh per kWp a day, 11% more than at 32°, and costs 9% of the yearly total. Why steep panels win winter.
Off-grid solar in Aizu-misato Machi at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 32° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 32° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 1.87 | 3.05 | 2.78 | 2.44 | -2.5 °C |
| February snow | 2.63 | 3.59 | 3.26 | 3.09 | -2.1 °C |
| March | 3.64 | 3.59 | 3.21 | 3.71 | 1.6 °C |
| April | 4.53 | 3.49 | 3.04 | 4.05 | 7.6 °C |
| May | 5.17 | 3.26 | 2.77 | 4.16 | 13.7 °C |
| June | 4.91 | 2.89 | 2.40 | 3.75 | 18.1 °C |
| July | 4.45 | 2.74 | 2.24 | 3.39 | 22.1 °C |
| August | 4.66 | 3.28 | 2.69 | 3.77 | 23.2 °C |
| September | 3.80 | 3.37 | 2.82 | 3.45 | 18.9 °C |
| October | 2.91 | 3.32 | 2.85 | 3.06 | 12.4 °C |
| November | 2.14 | 3.14 | 2.76 | 2.64 | 6.2 °C |
| December | 1.68 | 2.71 | 2.43 | 2.22 | 0.5 °C |
| Year | 3.54 avg | 3.20 avg | 1010 kWh | 1208 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 530 Wp of panels at 70°, versus 530 Wp at 32°. The steep array is 1% smaller for the same winter. Size your own system.
Row spacing in Aizu-misato Machi
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.
4.5 mrow pitch at 70°
3.9 mrow pitch at 32°
How Aizu-misato Machi compares in Japan
Against the other 1,215 places in Japan with climate data, for a fixed array at its best angle.
1062ndof 1,216 places in Japan for sunshine, shared: 3.54 peak sun hours a day on flat ground.
−6%solar energy a year compared with the average place in Japan: 1,208 against 1,284 kWh per kWp.
+10 mindaylight on the longest day, compared with Tokyo: 14 h 45 min against 14 h 35 min.
32°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); Aizu-misato Machi ranks joint 1062nd. In its darkest month, July, 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 35 min, −9 min compared with Tokyo.
Solar forecast for Aizu-misato Machi, 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 Aizu-misato Machi
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Places near Aizu-misato Machi
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A free, live card for Aizu-misato Machi: 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.