Solarposition.org

Gyeonggi-do · South Korea · 37.74° N · 127.05° E

Solar position in Uijeongbu-si

Sun position, daylight and the best solar panel angle for Uijeongbu-si — computed for 37.74° N, 127.05° E, 50 m above sea level.

Sunrise today06:49105° ESE
Sunset today17:41255° WSW
Best panel angle37°year-round, facing south
Off-grid angle30°best for the darkest month

The sun right now

Azimuth180.0°
Elevation40.2°
At solar noon, 12:15Open on the sun map

Sun in Uijeongbu-si today

Sunday, 25 October 2026 · local time UTC+9

EventTimeDirection / height
Astronomical dawn05:21sun 18° below horizon
Nautical dawn05:5112° below
Civil dawn06:226° below
Sunrise06:49105° ESE
Golden hour ends07:25sun 6° up
Solar noon12:1540.2° high
Golden hour starts17:05sun 6° up
Sunset17:41255° WSW
Civil dusk18:086° below
Nautical dusk18:3912° below
Astronomical dusk19:0918° below
Day length10 h 52 min

Sun path diagram for Uijeongbu-si

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 solstice891011121314151617Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 75.7° at solar noon in Uijeongbu-si; on the December solstice only 28.9°. Sunrise swings from 59° ENE in June to 119° ESE in December — a 60° 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
January07:4312:4317:429 h 59 min32.4°
February07:1412:4518:1611 h 02 min41.7°
March06:3412:3918:4412 h 10 min52.5°
April05:4912:3019:1213 h 23 min64.1°
May05:1712:2819:3914 h 22 min72.4°
June05:1012:3319:5614 h 47 min75.7°
July05:2612:3819:4914 h 24 min72.7°
August05:5212:3419:1713 h 25 min64.4°
September06:1812:2418:3112 h 13 min53.0°
October06:4512:1617:4611 h 01 min41.6°
November07:1712:1717:179 h 59 min32.4°
December07:4312:2917:169 h 33 min28.9°

A year of daylight in Uijeongbu-si

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 Uijeongbu-si

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

37°collects the most energy over a year: 1377 kWh per kWp.

30°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 37°Best worst-month 30°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearJuly kWh/kWp/dayBest ÷ worst month
0°115984%3.232.5×
15°129994%3.251.8×
30° off-grid best136999%3.111.4×
37° year-round best1377100%2.991.5×
38° = latitude1376100%2.971.5×
45°136599%2.811.6×
60°128794%2.391.8×
70°119787%2.052.1×
90°94268%1.322.9×

A fixed array in Uijeongbu-si produces the most over a year at 37°. The design month for an off-grid system is July: at 30° it makes 3.11 kWh per kWp a day, 4% more than at 37°, and costs 1% of the yearly total. Why steep panels win winter.

Off-grid solar in Uijeongbu-si at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 37° (year-round best).

012345January: 3.98 (70°)4.0JanFebruary: 4.24 (70°)4.2FebMarch: 3.88 (70°)3.9MarApril: 3.34 (70°)3.3AprMay: 2.92 (70°)2.9MayJune: 2.50 (70°)2.5JunJuly: 2.05 (70°)2.1JulAugust: 2.50 (70°)2.5AugSeptember: 3.08 (70°)3.1SepOctober: 3.73 (70°)3.7OctNovember: 3.39 (70°)3.4NovDecember: 3.82 (70°)3.8Dec37°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 37°Mean temp.
January snow2.424.333.983.57-4.7 °C
February snow3.194.654.244.06-2.0 °C
March4.214.353.884.442.9 °C
April4.943.853.344.399.1 °C
May5.523.462.924.3115.4 °C
June5.203.032.503.8120.4 °C
July4.062.542.052.9923.4 °C
August4.313.062.503.4024.1 °C
September4.083.683.083.7319.4 °C
October3.554.333.733.9712.8 °C
November2.453.833.393.285.3 °C
December snow2.154.183.823.34-2.5 °C
Year3.84 avg3.77 avg1197 kWh1377 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 570 Wp of panels at 70°, versus 390 Wp at 37°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Uijeongbu-si

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.

4.6 mrow pitch at 70°

4.1 mrow pitch at 37°

Row spacing calculator

How Uijeongbu-si compares in South Korea

Against the other 144 places in South Korea with climate data, for a fixed array at its best angle.

113thof 145 places in South Korea for sunshine, shared: 3.84 peak sun hours a day on flat ground.

+2%solar energy a year compared with the average place in South Korea: 1,377 against 1,356 kWh per kWp.

+1 mindaylight on the longest day, compared with Seoul: 14 h 47 min against 14 h 46 min.

37°best year-round tilt here; across South Korea it runs from 27° in Seogwipo to 37° in Uijeongbu-si.

Of the 145 places in South Korea, Tongyeong gets the most sun (4.04 peak sun hours a day) and Kosong the least (3.76); Uijeongbu-si ranks joint 113th. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 2.05 kWh a day here, against 2.12 kWh on average in South Korea. The shortest day lasts 9 h 33 min, −1 min compared with Seoul.

The sunniest places in South Korea

Solar forecast for Uijeongbu-si, 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 Uijeongbu-si

What is the best solar panel angle in Uijeongbu-si?
For a fixed array facing south, the best year-round tilt in Uijeongbu-si is 37°, worth about 1377 kWh per kWp a year. An off-grid system that has to get through July does better at about 30°.
What time is sunrise and sunset in Uijeongbu-si today?
On 25 October 2026 the sun rises at 06:49 and sets at 17:41 local time (UTC+9), giving 10 h 52 min of daylight. Solar noon is at 12:15.
How many peak sun hours does Uijeongbu-si get?
On a flat surface 3.8 hours a day averaged over the year, from 2.1 in December to 5.5 in May. Panels tilted at 70° receive 2.5 sun hours a day in July.
How high does the sun get in Uijeongbu-si?
At solar noon the sun stands 75.7° above the horizon on the June solstice and 28.9° on the December solstice.
Is Uijeongbu-si a good place for solar panels?
With 3.8 peak sun hours a day on flat ground, Uijeongbu-si ranks joint 113th of 145 places in South Korea for sunshine. A 1 kWp array at the best angle (37°) makes about 1,377 kWh a year here, 2% more than the average place in South Korea.

Places near Uijeongbu-si

All places in South 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.