Solarposition.org

Gyeongsangnam-do · South Korea · 35.25° N · 128.52° E

Solar position in Naesŏ

Sun position, daylight and the best solar panel angle for Naesŏ — computed for 35.25° N, 128.52° E, 62 m above sea level.

Sunrise today06:40104° ESE
Sunset today17:39256° WSW
Best panel angle33°year-round, facing south
Off-grid angle32°best for the darkest month

The sun right now

Azimuth180.0°
Elevation42.7°
At solar noon, 12:09Open on the sun map

Sun in Naesŏ today

Sunday, 25 October 2026 · local time UTC+9

EventTimeDirection / height
Astronomical dawn05:15sun 18° below horizon
Nautical dawn05:4412° below
Civil dawn06:146° below
Sunrise06:40104° ESE
Golden hour ends07:15sun 6° up
Solar noon12:0942.7° high
Golden hour starts17:04sun 6° up
Sunset17:39256° WSW
Civil dusk18:056° below
Nautical dusk18:3412° below
Astronomical dusk19:0418° below
Day length10 h 59 min

Sun path diagram for Naesŏ

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 solstice678910111213141516171819EquinoxDecember solstice891011121314151617Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 78.2° at solar noon in Naesŏ; on the December solstice only 31.3°. 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
January07:3212:3717:4210 h 10 min34.9°
February07:0512:3918:1311 h 08 min44.2°
March06:2812:3318:3812 h 09 min55.0°
April05:4612:2419:0313 h 16 min66.6°
May05:1712:2219:2714 h 09 min74.9°
June05:1112:2719:4314 h 32 min78.2°
July05:2612:3219:3714 h 11 min75.2°
August05:4912:2919:0713 h 18 min66.9°
September06:1212:1818:2412 h 12 min55.5°
October06:3612:1017:4311 h 07 min44.1°
November07:0612:1117:1610 h 10 min34.9°
December07:3012:2317:179 h 47 min31.3°

A year of daylight in Naesŏ

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 Naesŏ

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

33°collects the most energy over a year: 1395 kWh per kWp.

32°gives the most in the darkest month — the one an off-grid system is sized for.

30%40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 33°Best worst-month 32°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearJuly kWh/kWp/dayBest ÷ worst month
0°120987%3.622.2×
15°133896%3.611.7×
30°1394100%3.431.3×
32° off-grid best1395100%3.391.3×
33° year-round best1395100%3.371.3×
35° = latitude1395100%3.331.3×
45°137198%3.071.4×
60°127391%2.571.6×
70°116984%2.171.8×
90°88764%1.342.7×

A fixed array in Naesŏ produces the most over a year at 33°. The design month for an off-grid system is July: at 32° it makes 3.39 kWh per kWp a day, and costs 0% of the yearly total. Why steep panels win winter.

Off-grid solar in Naesŏ at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 33° (year-round best).

012345January: 3.94 (70°)3.9JanFebruary: 3.80 (70°)3.8FebMarch: 3.79 (70°)3.8MarApril: 3.26 (70°)3.3AprMay: 2.80 (70°)2.8MayJune: 2.34 (70°)2.3JunJuly: 2.17 (70°)2.2JulAugust: 2.59 (70°)2.6AugSeptember: 2.83 (70°)2.8SepOctober: 3.62 (70°)3.6OctNovember: 3.58 (70°)3.6NovDecember: 3.73 (70°)3.7Dec33°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 33°Mean temp.
January snow2.684.353.943.60-0.3 °C
February3.374.233.803.932.0 °C
March4.384.293.794.426.2 °C
April5.083.793.264.4411.6 °C
May5.563.342.804.3516.9 °C
June5.042.862.343.7421.1 °C
July4.542.692.173.3724.3 °C
August4.693.192.593.7025.3 °C
September3.983.422.833.5420.9 °C
October3.704.243.623.9215.0 °C
November2.804.093.583.478.4 °C
December2.464.153.733.411.7 °C
Year4.03 avg3.72 avg1169 kWh1395 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 350 Wp at 33°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Naesŏ

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°

3.7 mrow pitch at 33°

Row spacing calculator

How Naesŏ 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.

+3%solar energy a year compared with the average place in South Korea: 1,395 against 1,356 kWh per kWp.

−13 mindaylight on the longest day, compared with Seoul: 14 h 32 min against 14 h 46 min.

33°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); Naesŏ ranks joint 2nd. 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 47 min, +13 min compared with Seoul.

The sunniest places in South Korea

Solar forecast for Naesŏ, 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 Naesŏ

What is the best solar panel angle in Naesŏ?
For a fixed array facing south, the best year-round tilt in Naesŏ is 33°, worth about 1395 kWh per kWp a year. An off-grid system that has to get through July does better at about 32°.
What time is sunrise and sunset in Naesŏ today?
On 25 October 2026 the sun rises at 06:40 and sets at 17:39 local time (UTC+9), giving 10 h 59 min of daylight. Solar noon is at 12:09.
How many peak sun hours does Naesŏ get?
On a flat surface 4.0 hours a day averaged over the year, from 2.5 in December to 5.6 in May. Panels tilted at 70° receive 2.7 sun hours a day in July.
How high does the sun get in Naesŏ?
At solar noon the sun stands 78.2° above the horizon on the June solstice and 31.3° on the December solstice.
Is Naesŏ a good place for solar panels?
With 4.0 peak sun hours a day on flat ground, Naesŏ ranks joint 2nd of 145 places in South Korea for sunshine. A 1 kWp array at the best angle (33°) makes about 1,395 kWh a year here, 3% more than the average place in South Korea.

Places near Naesŏ

All places in South Korea

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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.