North Hamgyong · North Korea · 42.44° N · 129.75° E
Solar position in Hoeryŏng
Sun position, daylight and the best solar panel angle for Hoeryŏng — computed for 42.44° N, 129.75° E, 237 m above sea level.
The sun right now
Sun in Hoeryŏng today
Sunday, 25 October 2026 · local time UTC+9
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:11 | sun 18° below horizon |
| Nautical dawn | 05:43 | 12° below |
| Civil dawn | 06:16 | 6° below |
| Sunrise | 06:45 | 106° ESE |
| Golden hour ends | 07:24 | sun 6° up |
| Solar noon | 12:04 | 35.5° high |
| Golden hour starts | 16:45 | sun 6° up |
| Sunset | 17:24 | 254° WSW |
| Civil dusk | 17:53 | 6° below |
| Nautical dusk | 18:26 | 12° below |
| Astronomical dusk | 18:58 | 18° below |
| Day length | 10 h 39 min | |
Sun path diagram for Hoeryŏng
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 71.0° at solar noon in Hoeryŏng; on the December solstice only 24.2°. Sunrise swings from 56° 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 | 07:44 | 12:32 | 17:20 | 9 h 35 min | 27.7° |
| February | 07:09 | 12:34 | 18:00 | 10 h 51 min | 37.0° |
| March | 06:23 | 12:28 | 18:33 | 12 h 10 min | 47.8° |
| April | 05:31 | 12:19 | 19:08 | 13 h 38 min | 59.4° |
| May | 04:54 | 12:17 | 19:41 | 14 h 47 min | 67.7° |
| June | 04:43 | 12:22 | 20:01 | 15 h 18 min | 71.0° |
| July | 05:02 | 12:27 | 19:52 | 14 h 50 min | 68.0° |
| August | 05:33 | 12:24 | 19:13 | 13 h 40 min | 59.7° |
| September | 06:06 | 12:14 | 18:20 | 12 h 14 min | 48.3° |
| October | 06:40 | 12:05 | 17:30 | 10 h 50 min | 36.9° |
| November | 07:18 | 12:06 | 16:54 | 9 h 36 min | 27.7° |
| December | 07:46 | 12:18 | 16:50 | 9 h 04 min | 24.2° |
A year of daylight in Hoeryŏng
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 Hoeryŏng
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
43°collects the most energy over a year: 1486 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° | 1162 | 78% | 3.75 | 2.7× |
| 15° | 1344 | 90% | 3.82 | 1.8× |
| 30° | 1454 | 98% | 3.70 | 1.5× |
| 40° off-grid best | 1484 | 100% | 3.51 | 1.4× |
| 42° = latitude | 1486 | 100% | 3.46 | 1.4× |
| 43° year-round best | 1486 | 100% | 3.43 | 1.4× |
| 45° | 1486 | 100% | 3.38 | 1.5× |
| 60° | 1437 | 97% | 2.90 | 1.7× |
| 70° | 1361 | 92% | 2.50 | 1.9× |
| 90° | 1122 | 75% | 1.62 | 2.7× |
A fixed array in Hoeryŏng produces the most over a year at 43°. The design month for an off-grid system is July: at 40° it makes 3.51 kWh per kWp a day, 2% more than at 43°, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Hoeryŏng at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 43° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 43° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 2.24 | 4.69 | 4.45 | 4.02 | -13.3 °C |
| February snow | 3.16 | 5.14 | 4.82 | 4.61 | -9.9 °C |
| March snow | 4.15 | 5.27 | 4.81 | 4.93 | -2.9 °C |
| April | 4.86 | 4.10 | 3.62 | 4.46 | 5.3 °C |
| May | 5.16 | 3.52 | 3.01 | 4.07 | 12.3 °C |
| June | 5.11 | 3.20 | 2.67 | 3.74 | 17.2 °C |
| July | 4.64 | 3.04 | 2.50 | 3.43 | 20.3 °C |
| August | 4.54 | 3.46 | 2.87 | 3.69 | 20.3 °C |
| September | 4.27 | 4.32 | 3.68 | 4.25 | 14.7 °C |
| October | 3.34 | 4.70 | 4.15 | 4.28 | 6.7 °C |
| November snow | 2.28 | 4.56 | 4.16 | 3.80 | -2.7 °C |
| December snow | 1.90 | 4.35 | 4.10 | 3.63 | -11.3 °C |
| Year | 3.80 avg | 4.19 avg | 1361 kWh | 1486 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 470 Wp of panels at 70°, versus 340 Wp at 43°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Hoeryŏng
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.
5.6 mrow pitch at 70°
5.0 mrow pitch at 43°
How Hoeryŏng compares in North Korea
Against the other 96 places in North Korea with climate data, for a fixed array at its best angle.
75thof 97 places in North Korea for sunshine, shared: 3.81 peak sun hours a day on flat ground.
+4%solar energy a year compared with the average place in North Korea: 1,486 against 1,424 kWh per kWp.
+23 mindaylight on the longest day, compared with Pyongyang: 15 h 18 min against 14 h 55 min.
43°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); Hoeryŏng ranks joint 75th. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 2.50 kWh a day here, against 2.28 kWh on average in North Korea. The shortest day lasts 9 h 04 min, −22 min compared with Pyongyang.
Solar forecast for Hoeryŏng, 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 Hoeryŏng
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Places near Hoeryŏng
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A free, live card for Hoeryŏng: 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.