Solarposition.org

South Hamgyong · North Korea · 40.04° N · 128.19° E

Solar position in Sinp’o

Sun position, daylight and the best solar panel angle for Sinp’o — computed for 40.04° N, 128.19° E, 39 m above sea level.

Sunrise today06:48105° ESE
Sunset today17:34255° WSW
Best panel angle39°year-round, facing south
Off-grid angle38°best for the darkest month

The sun right now

Azimuth180.0°
Elevation37.9°
At solar noon, 12:11Open on the sun map

Sun in Sinp’o today

Sunday, 25 October 2026 · local time UTC+9

EventTimeDirection / height
Astronomical dawn05:17sun 18° below horizon
Nautical dawn05:4812° below
Civil dawn06:206° below
Sunrise06:48105° ESE
Golden hour ends07:25sun 6° up
Solar noon12:1137.9° high
Golden hour starts16:56sun 6° up
Sunset17:34255° WSW
Civil dusk18:016° below
Nautical dusk18:3312° below
Astronomical dusk19:0418° below
Day length10 h 46 min

Sun path diagram for Sinp’o

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 solstice8910111213141516Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 73.4° at solar noon in Sinp’o; on the December solstice only 26.6°. Sunrise swings from 58° ENE in June to 120° ESE in December — a 63° 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
January07:4412:3817:329 h 48 min30.1°
February07:1212:4118:0910 h 57 min39.4°
March06:2912:3418:3912 h 10 min50.2°
April05:4112:2619:1113 h 30 min61.8°
May05:0712:2319:4014 h 34 min70.1°
June04:5812:2819:5915 h 01 min73.4°
July05:1512:3319:5114 h 36 min70.4°
August05:4412:3019:1613 h 32 min62.1°
September06:1312:2018:2612 h 13 min50.7°
October06:4312:1117:3910 h 56 min39.3°
November07:1812:1217:069 h 48 min30.1°
December07:4512:2517:049 h 19 min26.6°

A year of daylight in Sinp’o

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 Sinp’o

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

39°collects the most energy over a year: 1452 kWh per kWp.

38°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 39°Best worst-month 38°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearJuly kWh/kWp/dayBest ÷ worst month
0°118481%3.692.7×
15°134793%3.741.9×
30°143799%3.591.5×
38° off-grid best1452100%3.441.4×
39° year-round best1452100%3.421.4×
40° = latitude1452100%3.391.4×
45°1447100%3.261.4×
60°137795%2.781.7×
70°128889%2.381.9×
90°102771%1.522.8×

A fixed array in Sinp’o produces the most over a year at 39°. The design month for an off-grid system is July: at 38° it makes 3.44 kWh per kWp a day, and costs 0% of the yearly total. Why steep panels win winter.

Off-grid solar in Sinp’o at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 39° (year-round best).

012345January: 4.25 (70°)4.3JanFebruary: 4.58 (70°)4.6FebMarch: 4.22 (70°)4.2MarApril: 3.65 (70°)3.7AprMay: 3.06 (70°)3.1MayJune: 2.61 (70°)2.6JunJuly: 2.38 (70°)2.4JulAugust: 2.72 (70°)2.7AugSeptember: 3.36 (70°)3.4SepOctober: 3.89 (70°)3.9OctNovember: 3.65 (70°)3.6NovDecember: 4.05 (70°)4.0Dec39°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 39°Mean temp.
January snow2.354.634.253.78-4.5 °C
February snow3.215.014.584.35-2.9 °C
March4.334.704.224.731.5 °C
April5.144.173.654.667.4 °C
May5.503.593.064.3513.3 °C
June5.193.132.613.8518.0 °C
July4.582.912.383.4221.2 °C
August4.503.312.723.6322.1 °C
September4.193.993.363.9818.0 °C
October3.444.503.894.0612.2 °C
November2.404.103.653.474.6 °C
December snow2.084.434.053.52-2.5 °C
Year3.91 avg4.03 avg1288 kWh1452 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 490 Wp of panels at 70°, versus 350 Wp at 39°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Sinp’o

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.

5.0 mrow pitch at 70°

4.5 mrow pitch at 39°

Row spacing calculator

How Sinp’o compares in North Korea

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

1stof 97 places in North Korea for sunshine, shared: 3.91 peak sun hours a day on flat ground.

+2%solar energy a year compared with the average place in North Korea: 1,452 against 1,424 kWh per kWp.

+6 mindaylight on the longest day, compared with Pyongyang: 15 h 01 min against 14 h 55 min.

39°best year-round tilt here; across North Korea it runs from 34° in Ongjin to 44° in Namyang-nodongjagu.

Sinp’o shares the top spot for sunshine among the 97 places in North Korea (3.91 peak sun hours a day); the least sunny are Ŏrang and one other place with 3.70. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 2.38 kWh a day here, against 2.28 kWh on average in North Korea. The shortest day lasts 9 h 19 min, −6 min compared with Pyongyang.

The sunniest places in North Korea

Solar forecast for Sinp’o, 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 Sinp’o

What is the best solar panel angle in Sinp’o?
For a fixed array facing south, the best year-round tilt in Sinp’o is 39°, worth about 1452 kWh per kWp a year. An off-grid system that has to get through July does better at about 38°.
What time is sunrise and sunset in Sinp’o today?
On 25 October 2026 the sun rises at 06:48 and sets at 17:34 local time (UTC+9), giving 10 h 46 min of daylight. Solar noon is at 12:11.
How many peak sun hours does Sinp’o get?
On a flat surface 3.9 hours a day averaged over the year, from 2.1 in December to 5.5 in May. Panels tilted at 70° receive 2.9 sun hours a day in July.
How high does the sun get in Sinp’o?
At solar noon the sun stands 73.4° above the horizon on the June solstice and 26.6° on the December solstice.
Is Sinp’o a good place for solar panels?
With 3.9 peak sun hours a day on flat ground, Sinp’o ranks joint 1st of 97 places in North Korea for sunshine. A 1 kWp array at the best angle (39°) makes about 1,452 kWh a year here, 2% more than the average place in North Korea.

Places near Sinp’o

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.