Pyongyang · North Korea · 38.86° N · 125.80° E
Solar position in Chunghwa
Sun position, daylight and the best solar panel angle for Chunghwa — computed for 38.86° N, 125.80° E, 40 m above sea level.
The sun right now
Sun in Chunghwa today
Sunday, 25 October 2026 · local time UTC+9
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:26 | sun 18° below horizon |
| Nautical dawn | 05:57 | 12° below |
| Civil dawn | 06:28 | 6° below |
| Sunrise | 06:55 | 105° ESE |
| Golden hour ends | 07:32 | sun 6° up |
| Solar noon | 12:20 | 39.1° high |
| Golden hour starts | 17:08 | sun 6° up |
| Sunset | 17:45 | 255° WSW |
| Civil dusk | 18:12 | 6° below |
| Nautical dusk | 18:43 | 12° below |
| Astronomical dusk | 19:14 | 18° below |
| Day length | 10 h 49 min | |
Sun path diagram for Chunghwa
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 74.6° at solar noon in Chunghwa; on the December solstice only 27.7°. Sunrise swings from 58° 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.
| Month | Sunrise | Solar noon | Sunset | Day length | Noon elevation |
|---|---|---|---|---|---|
| January | 07:51 | 12:48 | 17:45 | 9 h 54 min | 31.2° |
| February | 07:20 | 12:50 | 18:20 | 10 h 59 min | 40.6° |
| March | 06:39 | 12:44 | 18:49 | 12 h 10 min | 51.4° |
| April | 05:52 | 12:35 | 19:19 | 13 h 27 min | 63.0° |
| May | 05:19 | 12:33 | 19:47 | 14 h 27 min | 71.3° |
| June | 05:11 | 12:38 | 20:05 | 14 h 54 min | 74.6° |
| July | 05:28 | 12:43 | 19:57 | 14 h 30 min | 71.6° |
| August | 05:55 | 12:39 | 19:23 | 13 h 28 min | 63.3° |
| September | 06:23 | 12:29 | 18:36 | 12 h 13 min | 51.9° |
| October | 06:51 | 12:21 | 17:50 | 10 h 59 min | 40.5° |
| November | 07:25 | 12:22 | 17:19 | 9 h 54 min | 31.3° |
| December | 07:51 | 12:34 | 17:17 | 9 h 27 min | 27.7° |
A year of daylight in Chunghwa
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 Chunghwa
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
38°collects the most energy over a year: 1405 kWh per kWp.
34°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 | 83% | 3.35 | 2.7× |
| 15° | 1318 | 94% | 3.38 | 2.0× |
| 30° | 1395 | 99% | 3.24 | 1.5× |
| 34° off-grid best | 1403 | 100% | 3.17 | 1.5× |
| 38° year-round best | 1405 | 100% | 3.10 | 1.5× |
| 39° = latitude | 1405 | 100% | 3.08 | 1.5× |
| 45° | 1396 | 99% | 2.94 | 1.6× |
| 60° | 1320 | 94% | 2.50 | 1.8× |
| 70° | 1230 | 88% | 2.15 | 2.0× |
| 90° | 971 | 69% | 1.39 | 2.8× |
A fixed array in Chunghwa produces the most over a year at 38°. The design month for an off-grid system is July: at 34° it makes 3.17 kWh per kWp a day, 2% more than at 38°, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Chunghwa at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 38° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 38° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 2.34 | 4.31 | 3.99 | 3.57 | -6.3 °C |
| February snow | 3.12 | 4.69 | 4.29 | 4.09 | -3.3 °C |
| March | 4.30 | 4.60 | 4.12 | 4.65 | 2.1 °C |
| April | 5.05 | 4.01 | 3.49 | 4.53 | 8.8 °C |
| May | 5.60 | 3.55 | 3.00 | 4.38 | 15.6 °C |
| June | 5.23 | 3.09 | 2.54 | 3.82 | 20.9 °C |
| July | 4.20 | 2.66 | 2.15 | 3.10 | 23.5 °C |
| August | 4.41 | 3.19 | 2.60 | 3.50 | 23.7 °C |
| September | 4.28 | 3.97 | 3.33 | 3.99 | 18.9 °C |
| October | 3.50 | 4.41 | 3.80 | 4.02 | 12.0 °C |
| November | 2.37 | 3.85 | 3.43 | 3.29 | 3.9 °C |
| December snow | 2.04 | 4.09 | 3.75 | 3.28 | -4.0 °C |
| Year | 3.87 avg | 3.86 avg | 1230 kWh | 1405 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 550 Wp of panels at 70°, versus 380 Wp at 38°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Chunghwa
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°
4.3 mrow pitch at 38°
How Chunghwa compares in North Korea
Against the other 96 places in North Korea with climate data, for a fixed array at its best angle.
44thof 97 places in North Korea for sunshine, shared: 3.87 peak sun hours a day on flat ground.
−1%solar energy a year compared with the average place in North Korea: 1,405 against 1,424 kWh per kWp.
−1 mindaylight on the longest day, compared with Pyongyang: 14 h 54 min against 14 h 55 min.
38°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); Chunghwa ranks joint 44th. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 2.15 kWh a day here, against 2.28 kWh on average in North Korea. The shortest day lasts 9 h 27 min, +1 min compared with Pyongyang.
Solar forecast for Chunghwa, 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 Chunghwa
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Places near Chunghwa
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A free, live card for Chunghwa: 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.