Solarposition.org

South Hwanghae · North Korea · 38.40° N · 125.62° E

Solar position in Chaeryŏng-ŭp

Sun position, daylight and the best solar panel angle for Chaeryŏng-ŭp — computed for 38.40° N, 125.62° E, 17 m above sea level.

Sunrise today06:56105° ESE
Sunset today17:46255° WSW
Best panel angle37°year-round, facing south
Off-grid angle37°best for the darkest month

The sun right now

Azimuth180.0°
Elevation39.5°
At solar noon, 12:21Open on the sun map

Sun in Chaeryŏng-ŭp today

Sunday, 25 October 2026 · local time UTC+9

EventTimeDirection / height
Astronomical dawn05:27sun 18° below horizon
Nautical dawn05:5812° below
Civil dawn06:296° below
Sunrise06:56105° ESE
Golden hour ends07:32sun 6° up
Solar noon12:2139.5° high
Golden hour starts17:10sun 6° up
Sunset17:46255° WSW
Civil dusk18:136° below
Nautical dusk18:4412° below
Astronomical dusk19:1518° below
Day length10 h 51 min

Sun path diagram for Chaeryŏng-ŭp

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 75.0° at solar noon in Chaeryŏng-ŭp; on the December solstice only 28.2°. Sunrise swings from 59° ENE in June to 120° ESE in December — a 61° 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
January07:5012:4817:469 h 56 min31.7°
February07:2112:5118:2111 h 01 min41.0°
March06:4012:4418:4912 h 10 min51.8°
April05:5412:3619:1913 h 25 min63.4°
May05:2112:3419:4614 h 25 min71.8°
June05:1312:3920:0414 h 51 min75.0°
July05:3012:4319:5714 h 27 min72.1°
August05:5612:4019:2413 h 27 min63.7°
September06:2312:3018:3612 h 13 min52.3°
October06:5212:2217:5111 h 00 min40.9°
November07:2512:2317:219 h 56 min31.7°
December07:5012:3517:209 h 29 min28.2°

A year of daylight in Chaeryŏng-ŭp

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 Chaeryŏng-ŭp

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

37°collects the most energy over a year: 1392 kWh per kWp.

37°gives the most in the darkest month — the one an off-grid system is sized for.

40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 37°Best worst-month 37°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearJuly kWh/kWp/dayBest ÷ worst month
0°117084%3.342.8×
15°131294%3.372.0×
30°138499%3.231.6×
37° year-round best off-grid best1392100%3.111.5×
38° = latitude1391100%3.091.5×
45°138099%2.931.6×
60°130194%2.491.8×
70°121087%2.142.0×
90°95168%1.382.8×

A fixed array in Chaeryŏng-ŭp produces the most over a year at 37°. The design month for an off-grid system is July: at 37° it makes 3.11 kWh per kWp a day, and costs 0% of the yearly total. Why steep panels win winter.

Off-grid solar in Chaeryŏng-ŭp at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 37° (year-round best).

012345January: 3.83 (70°)3.8JanFebruary: 4.23 (70°)4.2FebMarch: 4.10 (70°)4.1MarApril: 3.48 (70°)3.5AprMay: 2.98 (70°)3.0MayJune: 2.52 (70°)2.5JunJuly: 2.14 (70°)2.1JulAugust: 2.60 (70°)2.6AugSeptember: 3.28 (70°)3.3SepOctober: 3.78 (70°)3.8OctNovember: 3.34 (70°)3.3NovDecember: 3.57 (70°)3.6Dec37°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 37°Mean temp.
January snow2.324.173.833.42-4.6 °C
February snow3.134.644.234.03-2.1 °C
March4.334.584.104.642.8 °C
April5.094.013.484.559.3 °C
May5.613.542.984.4015.8 °C
June5.223.062.523.8321.1 °C
July4.202.652.143.1123.8 °C
August4.443.192.603.5224.3 °C
September4.283.933.283.9519.7 °C
October3.544.393.784.0013.0 °C
November2.393.773.343.215.3 °C
December snow2.023.923.573.12-2.2 °C
Year3.88 avg3.81 avg1210 kWh1392 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 550 Wp of panels at 70°, versus 380 Wp at 37°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Chaeryŏng-ŭp

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.

4.7 mrow pitch at 70°

4.2 mrow pitch at 37°

Row spacing calculator

How Chaeryŏng-ŭp compares in North Korea

Against the other 96 places in North Korea with climate data, for a fixed array at its best angle.

22ndof 97 places in North Korea for sunshine, shared: 3.88 peak sun hours a day on flat ground.

−2%solar energy a year compared with the average place in North Korea: 1,392 against 1,424 kWh per kWp.

−4 mindaylight on the longest day, compared with Pyongyang: 14 h 51 min against 14 h 55 min.

37°best year-round tilt here; across North Korea it runs from 34° in Ongjin to 44° in Namyang-nodongjagu.

Of the 97 places in North Korea, Sinp’o and one other place get the most sun (3.91 peak sun hours a day) and Ŏrang and one other place the least (3.70); Chaeryŏng-ŭp ranks joint 22nd. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 2.14 kWh a day here, against 2.28 kWh on average in North Korea. The shortest day lasts 9 h 29 min, +4 min compared with Pyongyang.

The sunniest places in North Korea

Solar forecast for Chaeryŏng-ŭp, 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 Chaeryŏng-ŭp

What is the best solar panel angle in Chaeryŏng-ŭp?
For a fixed array facing south, the best year-round tilt in Chaeryŏng-ŭp is 37°, worth about 1392 kWh per kWp a year. An off-grid system that has to get through July does better at about 37°.
What time is sunrise and sunset in Chaeryŏng-ŭp today?
On 25 October 2026 the sun rises at 06:56 and sets at 17:46 local time (UTC+9), giving 10 h 51 min of daylight. Solar noon is at 12:21.
How many peak sun hours does Chaeryŏng-ŭp get?
On a flat surface 3.9 hours a day averaged over the year, from 2.0 in December to 5.6 in May. Panels tilted at 70° receive 2.6 sun hours a day in July.
How high does the sun get in Chaeryŏng-ŭp?
At solar noon the sun stands 75.0° above the horizon on the June solstice and 28.2° on the December solstice.
Is Chaeryŏng-ŭp a good place for solar panels?
With 3.9 peak sun hours a day on flat ground, Chaeryŏng-ŭp ranks joint 22nd of 97 places in North Korea for sunshine. A 1 kWp array at the best angle (37°) makes about 1,392 kWh a year here, 2% less than the average place in North Korea.

Places near Chaeryŏng-ŭp

All places in North 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.