Rason · North Korea · 42.26° N · 130.28° E
Solar position in Rajin
Sun position, daylight and the best solar panel angle for Rajin — computed for 42.26° N, 130.28° E, 16 m above sea level.
The sun right now
Sun in Rajin today
Sunday, 25 October 2026 · local time UTC+9
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:08 | sun 18° below horizon |
| Nautical dawn | 05:41 | 12° below |
| Civil dawn | 06:14 | 6° below |
| Sunrise | 06:42 | 106° ESE |
| Golden hour ends | 07:21 | sun 6° up |
| Solar noon | 12:02 | 35.7° high |
| Golden hour starts | 16:43 | sun 6° up |
| Sunset | 17:22 | 254° WSW |
| Civil dusk | 17:51 | 6° below |
| Nautical dusk | 18:23 | 12° below |
| Astronomical dusk | 18:56 | 18° below |
| Day length | 10 h 40 min | |
Sun path diagram for Rajin
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 71.2° at solar noon in Rajin; on the December solstice only 24.3°. Sunrise swings from 57° ENE in June to 122° ESE in December — a 65° 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 | 07:42 | 12:30 | 17:18 | 9 h 36 min | 27.9° |
| February | 07:07 | 12:32 | 17:58 | 10 h 51 min | 37.2° |
| March | 06:21 | 12:26 | 18:31 | 12 h 10 min | 48.0° |
| April | 05:29 | 12:17 | 19:06 | 13 h 37 min | 59.6° |
| May | 04:52 | 12:15 | 19:38 | 14 h 46 min | 67.9° |
| June | 04:42 | 12:20 | 19:58 | 15 h 16 min | 71.2° |
| July | 05:00 | 12:25 | 19:49 | 14 h 49 min | 68.2° |
| August | 05:32 | 12:21 | 19:11 | 13 h 39 min | 59.9° |
| September | 06:04 | 12:11 | 18:18 | 12 h 14 min | 48.5° |
| October | 06:38 | 12:03 | 17:28 | 10 h 50 min | 37.1° |
| November | 07:16 | 12:04 | 16:52 | 9 h 37 min | 27.9° |
| December | 07:44 | 12:16 | 16:49 | 9 h 05 min | 24.3° |
A year of daylight in Rajin
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 Rajin
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
42°collects the most energy over a year: 1439 kWh per kWp.
40°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° | 1133 | 79% | 3.59 | 2.8× |
| 15° | 1308 | 91% | 3.65 | 2.0× |
| 30° | 1412 | 98% | 3.53 | 1.6× |
| 40° off-grid best | 1438 | 100% | 3.35 | 1.4× |
| 42° year-round best = latitude | 1439 | 100% | 3.30 | 1.5× |
| 45° | 1438 | 100% | 3.23 | 1.5× |
| 60° | 1385 | 96% | 2.77 | 1.7× |
| 70° | 1307 | 91% | 2.40 | 1.9× |
| 90° | 1065 | 74% | 1.56 | 2.7× |
A fixed array in Rajin produces the most over a year at 42°. The design month for an off-grid system is July: at 40° it makes 3.35 kWh per kWp a day, 1% more than at 42°, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Rajin at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 42° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 42° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 2.14 | 4.46 | 4.18 | 3.75 | -9.8 °C |
| February snow | 3.04 | 4.96 | 4.60 | 4.38 | -7.0 °C |
| March snow | 4.15 | 4.97 | 4.51 | 4.80 | -1.0 °C |
| April | 4.89 | 4.12 | 3.63 | 4.50 | 6.0 °C |
| May | 5.03 | 3.43 | 2.93 | 3.99 | 12.0 °C |
| June | 4.85 | 3.05 | 2.54 | 3.59 | 16.8 °C |
| July | 4.45 | 2.91 | 2.40 | 3.30 | 20.4 °C |
| August | 4.50 | 3.42 | 2.83 | 3.65 | 21.2 °C |
| September | 4.28 | 4.31 | 3.65 | 4.23 | 16.5 °C |
| October | 3.34 | 4.68 | 4.08 | 4.21 | 9.2 °C |
| November snow | 2.23 | 4.26 | 3.84 | 3.57 | 0.4 °C |
| December snow | 1.83 | 4.15 | 3.86 | 3.40 | -7.6 °C |
| Year | 3.73 avg | 4.05 avg | 1307 kWh | 1439 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 360 Wp at 42°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Rajin
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.
5.5 mrow pitch at 70°
4.9 mrow pitch at 42°
How Rajin compares in North Korea
Against the other 96 places in North Korea with climate data, for a fixed array at its best angle.
87thof 97 places in North Korea for sunshine, shared: 3.73 peak sun hours a day on flat ground.
+1%solar energy a year compared with the average place in North Korea: 1,439 against 1,424 kWh per kWp.
+22 mindaylight on the longest day, compared with Pyongyang: 15 h 16 min against 14 h 55 min.
42°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); Rajin ranks joint 87th. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 2.40 kWh a day here, against 2.28 kWh on average in North Korea. The shortest day lasts 9 h 05 min, −20 min compared with Pyongyang.
Solar forecast for Rajin, 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 Rajin
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Places near Rajin
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A free, live card for Rajin: 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.