Gyeongsangbuk-do · South Korea · 35.91° N · 128.82° E
Solar position in Hayang
Sun position, daylight and the best solar panel angle for Hayang — computed for 35.91° N, 128.82° E, 57 m above sea level.
The sun right now
Sun in Hayang today
Sunday, 25 October 2026 · local time UTC+9
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:14 | sun 18° below horizon |
| Nautical dawn | 05:43 | 12° below |
| Civil dawn | 06:13 | 6° below |
| Sunrise | 06:40 | 104° ESE |
| Golden hour ends | 07:15 | sun 6° up |
| Solar noon | 12:08 | 42.0° high |
| Golden hour starts | 17:01 | sun 6° up |
| Sunset | 17:37 | 256° WSW |
| Civil dusk | 18:03 | 6° below |
| Nautical dusk | 18:33 | 12° below |
| Astronomical dusk | 19:02 | 18° below |
| Day length | 10 h 57 min | |
Sun path diagram for Hayang
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 77.5° at solar noon in Hayang; on the December solstice only 30.7°. 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 | 07:32 | 12:36 | 17:39 | 10 h 07 min | 34.2° |
| February | 07:05 | 12:38 | 18:11 | 11 h 06 min | 43.5° |
| March | 06:27 | 12:32 | 18:36 | 12 h 09 min | 54.3° |
| April | 05:44 | 12:23 | 19:02 | 13 h 18 min | 65.9° |
| May | 05:15 | 12:21 | 19:27 | 14 h 13 min | 74.3° |
| June | 05:08 | 12:26 | 19:44 | 14 h 36 min | 77.5° |
| July | 05:23 | 12:31 | 19:38 | 14 h 15 min | 74.6° |
| August | 05:47 | 12:27 | 19:07 | 13 h 20 min | 66.2° |
| September | 06:11 | 12:17 | 18:23 | 12 h 12 min | 54.8° |
| October | 06:36 | 12:09 | 17:41 | 11 h 06 min | 43.4° |
| November | 07:06 | 12:10 | 17:14 | 10 h 08 min | 34.2° |
| December | 07:30 | 12:22 | 17:14 | 9 h 43 min | 30.7° |
A year of daylight in Hayang
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 Hayang
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
34°collects the most energy over a year: 1382 kWh per kWp.
31°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° | 1190 | 86% | 3.55 | 2.3× |
| 15° | 1321 | 96% | 3.55 | 1.7× |
| 30° | 1379 | 100% | 3.38 | 1.3× |
| 31° off-grid best | 1380 | 100% | 3.36 | 1.3× |
| 34° year-round best | 1382 | 100% | 3.30 | 1.3× |
| 36° = latitude | 1381 | 100% | 3.26 | 1.3× |
| 45° | 1361 | 98% | 3.03 | 1.4× |
| 60° | 1268 | 92% | 2.55 | 1.6× |
| 70° | 1168 | 85% | 2.17 | 1.8× |
| 90° | 894 | 65% | 1.35 | 2.6× |
A fixed array in Hayang produces the most over a year at 34°. The design month for an off-grid system is July: at 31° it makes 3.36 kWh per kWp a day, 2% more than at 34°, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Hayang at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 34° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 34° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 2.62 | 4.33 | 3.94 | 3.61 | -1.6 °C |
| February | 3.31 | 4.19 | 3.77 | 3.91 | 0.9 °C |
| March | 4.29 | 4.26 | 3.77 | 4.38 | 5.3 °C |
| April | 5.02 | 3.79 | 3.27 | 4.40 | 11.0 °C |
| May | 5.54 | 3.38 | 2.84 | 4.33 | 16.6 °C |
| June | 5.10 | 2.92 | 2.40 | 3.77 | 21.0 °C |
| July | 4.45 | 2.68 | 2.17 | 3.30 | 24.0 °C |
| August | 4.56 | 3.14 | 2.55 | 3.60 | 24.8 °C |
| September | 3.89 | 3.36 | 2.80 | 3.46 | 20.2 °C |
| October | 3.57 | 4.13 | 3.53 | 3.81 | 14.2 °C |
| November | 2.70 | 4.00 | 3.52 | 3.41 | 7.4 °C |
| December snow | 2.41 | 4.28 | 3.86 | 3.45 | 0.4 °C |
| Year | 3.96 avg | 3.70 avg | 1168 kWh | 1382 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 540 Wp of panels at 70°, versus 360 Wp at 34°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Hayang
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 34°
How Hayang compares in South Korea
Against the other 144 places in South Korea with climate data, for a fixed array at its best angle.
22ndof 145 places in South Korea for sunshine, shared: 3.96 peak sun hours a day on flat ground.
+2%solar energy a year compared with the average place in South Korea: 1,382 against 1,356 kWh per kWp.
−10 mindaylight on the longest day, compared with Seoul: 14 h 36 min against 14 h 46 min.
34°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); Hayang ranks joint 22nd. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 2.17 kWh a day here, against 2.12 kWh on average in South Korea. The shortest day lasts 9 h 43 min, +9 min compared with Seoul.
Solar forecast for Hayang, 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 Hayang
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Places near Hayang
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A free, live card for Hayang: 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.