Gyeongsangnam-do · South Korea · 34.85° N · 128.59° E
Solar position in Kyosai
Sun position, daylight and the best solar panel angle for Kyosai — computed for 34.85° N, 128.59° E, 11 m above sea level.
The sun right now
Sun in Kyosai today
Sunday, 25 October 2026 · local time UTC+9
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:14 | sun 18° below horizon |
| Nautical dawn | 05:44 | 12° below |
| Civil dawn | 06:13 | 6° below |
| Sunrise | 06:39 | 104° ESE |
| Golden hour ends | 07:14 | sun 6° up |
| Solar noon | 12:09 | 43.1° high |
| Golden hour starts | 17:04 | sun 6° up |
| Sunset | 17:39 | 256° WSW |
| Civil dusk | 18:05 | 6° below |
| Nautical dusk | 18:34 | 12° below |
| Astronomical dusk | 19:04 | 18° below |
| Day length | 11 h 00 min | |
Sun path diagram for Kyosai
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 78.6° at solar noon in Kyosai; on the December solstice only 31.7°. 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.
| Month | Sunrise | Solar noon | Sunset | Day length | Noon elevation |
|---|---|---|---|---|---|
| January | 07:30 | 12:36 | 17:43 | 10 h 12 min | 35.3° |
| February | 07:05 | 12:39 | 18:13 | 11 h 08 min | 44.6° |
| March | 06:28 | 12:33 | 18:37 | 12 h 09 min | 55.4° |
| April | 05:46 | 12:24 | 19:02 | 13 h 15 min | 67.0° |
| May | 05:18 | 12:22 | 19:26 | 14 h 08 min | 75.3° |
| June | 05:12 | 12:27 | 19:42 | 14 h 30 min | 78.6° |
| July | 05:27 | 12:32 | 19:36 | 14 h 10 min | 75.6° |
| August | 05:50 | 12:28 | 19:07 | 13 h 17 min | 67.3° |
| September | 06:12 | 12:18 | 18:24 | 12 h 12 min | 55.9° |
| October | 06:36 | 12:10 | 17:44 | 11 h 08 min | 44.5° |
| November | 07:05 | 12:11 | 17:17 | 10 h 12 min | 35.3° |
| December | 07:29 | 12:23 | 17:17 | 9 h 49 min | 31.7° |
A year of daylight in Kyosai
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 Kyosai
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: 1379 kWh per kWp.
37°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° | 1205 | 87% | 2.00 | 2.3× |
| 15° | 1329 | 96% | 2.67 | 1.7× |
| 30° | 1379 | 100% | 3.18 | 1.4× |
| 32° year-round best | 1379 | 100% | 3.24 | 1.4× |
| 35° = latitude | 1378 | 100% | 3.31 | 1.3× |
| 37° off-grid best | 1375 | 100% | 3.36 | 1.3× |
| 45° | 1351 | 98% | 3.50 | 1.4× |
| 60° | 1248 | 90% | 3.59 | 1.5× |
| 70° | 1141 | 83% | 3.54 | 1.7× |
| 90° | 857 | 62% | 3.13 | 2.4× |
A fixed array in Kyosai produces the most over a year at 32°. The design month for an off-grid system is December: at 37° it makes 3.36 kWh per kWp a day, 4% more than at 32°, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Kyosai 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 | 2.62 | 4.03 | 3.60 | 3.39 | 3.0 °C |
| February | 3.32 | 4.12 | 3.66 | 3.79 | 4.8 °C |
| March | 4.33 | 4.22 | 3.69 | 4.33 | 8.2 °C |
| April | 5.06 | 3.74 | 3.21 | 4.40 | 12.7 °C |
| May | 5.51 | 3.29 | 2.75 | 4.32 | 17.1 °C |
| June | 4.98 | 2.80 | 2.30 | 3.71 | 20.9 °C |
| July | 4.69 | 2.73 | 2.21 | 3.49 | 24.4 °C |
| August | 4.84 | 3.26 | 2.64 | 3.82 | 26.0 °C |
| September | 4.05 | 3.47 | 2.86 | 3.59 | 22.3 °C |
| October | 3.72 | 4.25 | 3.60 | 3.89 | 17.2 °C |
| November | 2.80 | 4.04 | 3.50 | 3.38 | 11.3 °C |
| December | 2.42 | 3.99 | 3.54 | 3.24 | 5.1 °C |
| Year | 4.03 avg | 3.66 avg | 1141 kWh | 1379 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 360 Wp at 32°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Kyosai
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.
4.1 mrow pitch at 70°
3.6 mrow pitch at 32°
How Kyosai compares in South Korea
Against the other 144 places in South Korea with climate data, for a fixed array at its best angle.
2ndof 145 places in South Korea for sunshine, shared: 4.03 peak sun hours a day on flat ground.
+2%solar energy a year compared with the average place in South Korea: 1,379 against 1,356 kWh per kWp.
−16 mindaylight on the longest day, compared with Seoul: 14 h 30 min against 14 h 46 min.
32°best year-round tilt here; across South Korea it runs from 27° in Seogwipo to 37° in Uijeongbu-si.
Of the 145 places in South Korea, Tongyeong gets the most sun (4.04 peak sun hours a day) and Kosong the least (3.76); Kyosai ranks joint 2nd. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 2.21 kWh a day here, against 2.12 kWh on average in South Korea. The shortest day lasts 9 h 49 min, +15 min compared with Seoul.
Solar forecast for Kyosai, 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 Kyosai
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Places near Kyosai
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A free, live card for Kyosai: 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.