P'yŏngan-bukto · North Korea · 39.87° N · 126.03° E
Solar position in Kujang-ŭp
Sun position, daylight and the best solar panel angle for Kujang-ŭp — computed for 39.87° N, 126.03° E, 66 m above sea level.
The sun right now
Sun in Kujang-ŭp today
Sunday, 25 October 2026 · local time UTC+9
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:25 | sun 18° below horizon |
| Nautical dawn | 05:57 | 12° below |
| Civil dawn | 06:28 | 6° below |
| Sunrise | 06:56 | 105° ESE |
| Golden hour ends | 07:33 | sun 6° up |
| Solar noon | 12:19 | 38.1° high |
| Golden hour starts | 17:05 | sun 6° up |
| Sunset | 17:43 | 255° WSW |
| Civil dusk | 18:10 | 6° below |
| Nautical dusk | 18:42 | 12° below |
| Astronomical dusk | 19:13 | 18° below |
| Day length | 10 h 47 min | |
Sun path diagram for Kujang-ŭp
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 73.6° at solar noon in Kujang-ŭp; on the December solstice only 26.7°. Sunrise swings from 58° ENE in June to 120° ESE in December — a 62° 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 | 07:52 | 12:47 | 17:41 | 9 h 49 min | 30.2° |
| February | 07:21 | 12:49 | 18:18 | 10 h 57 min | 39.6° |
| March | 06:38 | 12:43 | 18:48 | 12 h 10 min | 50.4° |
| April | 05:50 | 12:34 | 19:19 | 13 h 30 min | 62.0° |
| May | 05:16 | 12:32 | 19:49 | 14 h 33 min | 70.3° |
| June | 05:07 | 12:37 | 20:07 | 15 h 00 min | 73.6° |
| July | 05:24 | 12:42 | 19:59 | 14 h 35 min | 70.6° |
| August | 05:53 | 12:38 | 19:24 | 13 h 32 min | 62.3° |
| September | 06:22 | 12:28 | 18:35 | 12 h 13 min | 50.9° |
| October | 06:52 | 12:20 | 17:48 | 10 h 56 min | 39.5° |
| November | 07:26 | 12:21 | 17:15 | 9 h 49 min | 30.3° |
| December | 07:53 | 12:33 | 17:14 | 9 h 20 min | 26.7° |
A year of daylight in Kujang-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.
Best solar panel angle in Kujang-ŭp
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
40°collects the most energy over a year: 1434 kWh per kWp.
35°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° | 1169 | 82% | 3.44 | 2.7× |
| 15° | 1330 | 93% | 3.48 | 1.9× |
| 30° | 1418 | 99% | 3.34 | 1.5× |
| 35° off-grid best | 1430 | 100% | 3.26 | 1.5× |
| 40° year-round best = latitude | 1434 | 100% | 3.16 | 1.5× |
| 45° | 1429 | 100% | 3.04 | 1.6× |
| 60° | 1362 | 95% | 2.60 | 1.8× |
| 70° | 1276 | 89% | 2.24 | 2.0× |
| 90° | 1022 | 71% | 1.45 | 2.8× |
A fixed array in Kujang-ŭp produces the most over a year at 40°. The design month for an off-grid system is July: at 35° it makes 3.26 kWh per kWp a day, 3% more than at 40°, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Kujang-ŭp at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 40° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 40° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 2.40 | 4.65 | 4.35 | 3.90 | -9.4 °C |
| February snow | 3.15 | 4.83 | 4.46 | 4.27 | -6.0 °C |
| March snow | 4.26 | 4.88 | 4.41 | 4.76 | 0.1 °C |
| April | 4.95 | 4.00 | 3.50 | 4.47 | 7.2 °C |
| May | 5.53 | 3.58 | 3.04 | 4.32 | 14.3 °C |
| June | 5.19 | 3.11 | 2.57 | 3.78 | 19.4 °C |
| July | 4.30 | 2.75 | 2.24 | 3.16 | 22.2 °C |
| August | 4.41 | 3.23 | 2.66 | 3.52 | 22.1 °C |
| September | 4.29 | 4.08 | 3.45 | 4.08 | 17.1 °C |
| October | 3.39 | 4.41 | 3.84 | 4.03 | 9.8 °C |
| November | 2.29 | 3.90 | 3.51 | 3.36 | 1.2 °C |
| December snow | 2.02 | 4.28 | 3.98 | 3.50 | -7.3 °C |
| Year | 3.85 avg | 3.97 avg | 1276 kWh | 1434 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 530 Wp of panels at 70°, versus 370 Wp at 40°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Kujang-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.
5.0 mrow pitch at 70°
4.5 mrow pitch at 40°
How Kujang-ŭp compares in North Korea
Against the other 96 places in North Korea with climate data, for a fixed array at its best angle.
60thof 97 places in North Korea for sunshine, shared: 3.85 peak sun hours a day on flat ground.
+1%solar energy a year compared with the average place in North Korea: 1,434 against 1,424 kWh per kWp.
+5 mindaylight on the longest day, compared with Pyongyang: 15 h 00 min against 14 h 55 min.
40°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); Kujang-ŭp ranks joint 60th. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 2.24 kWh a day here, against 2.28 kWh on average in North Korea. The shortest day lasts 9 h 20 min, −5 min compared with Pyongyang.
Solar forecast for Kujang-ŭp, 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 Kujang-ŭp
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Places near Kujang-ŭp
Put this on your site
A free, live card for Kujang-ŭp: 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.