Solarposition.org

South Pyongan · North Korea · 38.74° N · 125.23° E

Solar position in Chaeryŏng-ni

Sun position, daylight and the best solar panel angle for Chaeryŏng-ni — computed for 38.74° N, 125.23° E, 13 m above sea level.

Sunrise today06:58105° ESE
Sunset today17:47255° WSW
Best panel angle36°year-round, facing south
Off-grid angle40°best for the darkest month

The sun right now

Azimuth180.0°
Elevation39.2°
At solar noon, 12:22Open on the sun map

Sun in Chaeryŏng-ni today

Sunday, 25 October 2026 · local time UTC+9

EventTimeDirection / height
Astronomical dawn05:28sun 18° below horizon
Nautical dawn05:5912° below
Civil dawn06:306° below
Sunrise06:58105° ESE
Golden hour ends07:34sun 6° up
Solar noon12:2239.2° high
Golden hour starts17:10sun 6° up
Sunset17:47255° WSW
Civil dusk18:146° below
Nautical dusk18:4612° below
Astronomical dusk19:1618° below
Day length10 h 50 min

Sun path diagram for Chaeryŏng-ni

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 solstice91011121314151617Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 74.7° at solar noon in Chaeryŏng-ni; on the December solstice only 27.9°. 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
January07:5312:5017:479 h 54 min31.4°
February07:2312:5218:2211 h 00 min40.7°
March06:4112:4618:5112 h 10 min51.5°
April05:5512:3719:2113 h 26 min63.1°
May05:2212:3519:4914 h 27 min71.4°
June05:1412:4020:0714 h 53 min74.7°
July05:3012:4519:5914 h 29 min71.7°
August05:5712:4219:2613 h 28 min63.4°
September06:2512:3218:3812 h 13 min52.0°
October06:5312:2317:5310 h 59 min40.6°
November07:2712:2417:219 h 55 min31.4°
December07:5312:3617:209 h 27 min27.9°

A year of daylight in Chaeryŏng-ni

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-ni

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

36°collects the most energy over a year: 1395 kWh per kWp.

40°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 36°Best worst-month 40°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°117284%1.652.8×
15°131694%2.312.1×
30°138899%2.841.6×
36° year-round best1395100%3.011.5×
39° = latitude1393100%3.091.5×
40° off-grid best1392100%3.111.5×
45°138299%3.211.6×
60°130093%3.391.7×
70°120687%3.391.9×
90°94167%3.142.6×

A fixed array in Chaeryŏng-ni produces the most over a year at 36°. The design month for an off-grid system is December: at 40° it makes 3.11 kWh per kWp a day, 3% more than at 36°, and costs 0% of the yearly total. Why steep panels win winter.

Off-grid solar in Chaeryŏng-ni at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 36° (year-round best).

012345January: 3.82 (70°)3.8JanFebruary: 4.02 (70°)4.0FebMarch: 4.13 (70°)4.1MarApril: 3.52 (70°)3.5AprMay: 3.02 (70°)3.0MayJune: 2.53 (70°)2.5JunJuly: 2.20 (70°)2.2JulAugust: 2.66 (70°)2.7AugSeptember: 3.37 (70°)3.4SepOctober: 3.74 (70°)3.7OctNovember: 3.31 (70°)3.3NovDecember: 3.39 (70°)3.4Dec36°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 36°Mean temp.
January snow2.294.163.823.37-4.2 °C
February snow3.114.424.023.95-2.0 °C
March4.344.624.134.662.7 °C
April5.104.043.524.598.9 °C
May5.623.573.024.4515.2 °C
June5.203.082.533.8620.6 °C
July4.302.712.203.2023.6 °C
August4.523.262.663.6124.1 °C
September4.354.043.374.0519.9 °C
October3.504.353.743.9413.4 °C
November2.363.753.313.165.7 °C
December snow1.993.733.393.01-1.8 °C
Year3.89 avg3.81 avg1206 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 390 Wp at 36°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Chaeryŏng-ni

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.

4.8 mrow pitch at 70°

4.2 mrow pitch at 36°

Row spacing calculator

How Chaeryŏng-ni compares in North Korea

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

8thof 97 places in North Korea for sunshine, shared: 3.89 peak sun hours a day on flat ground.

−2%solar energy a year compared with the average place in North Korea: 1,395 against 1,424 kWh per kWp.

−2 mindaylight on the longest day, compared with Pyongyang: 14 h 53 min against 14 h 55 min.

36°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-ni ranks joint 8th. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 2.20 kWh a day here, against 2.28 kWh on average in North Korea. The shortest day lasts 9 h 27 min, +2 min compared with Pyongyang.

The sunniest places in North Korea

Solar forecast for Chaeryŏng-ni, 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-ni

What is the best solar panel angle in Chaeryŏng-ni?
For a fixed array facing south, the best year-round tilt in Chaeryŏng-ni is 36°, worth about 1395 kWh per kWp a year. An off-grid system that has to get through December does better at about 40°.
What time is sunrise and sunset in Chaeryŏng-ni today?
On 25 October 2026 the sun rises at 06:58 and sets at 17:47 local time (UTC+9), giving 10 h 50 min of daylight. Solar noon is at 12:22.
How many peak sun hours does Chaeryŏng-ni 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 2.7 sun hours a day in July.
How high does the sun get in Chaeryŏng-ni?
At solar noon the sun stands 74.7° above the horizon on the June solstice and 27.9° on the December solstice.
Is Chaeryŏng-ni a good place for solar panels?
With 3.9 peak sun hours a day on flat ground, Chaeryŏng-ni ranks joint 8th of 97 places in North Korea for sunshine. A 1 kWp array at the best angle (36°) makes about 1,395 kWh a year here, 2% less than the average place in North Korea.

Places near Chaeryŏng-ni

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.