Solarposition.org

North Sumatra · Indonesia · 3.88° N · 98.63° E

Solar position in Labuhan Deli

Sun position, daylight and the best solar panel angle for Labuhan Deli — computed for 3.88° N, 98.63° E, 2 m above sea level.

Sunrise today06:09102° ESE
Sunset today18:09258° WSW
Best panel angle2°year-round, facing south
Off-grid angle14°best for the darkest month

The sun right now

Azimuth180.0°
Elevation74.0°
At solar noon, 12:09Open on the sun map

Sun in Labuhan Deli today

Sunday, 25 October 2026 · local time UTC+7

EventTimeDirection / height
Astronomical dawn04:59sun 18° below horizon
Nautical dawn05:2312° below
Civil dawn05:486° below
Sunrise06:09102° ESE
Golden hour ends06:37sun 6° up
Solar noon12:0974.0° high
Golden hour starts17:41sun 6° up
Sunset18:09258° WSW
Civil dusk18:306° below
Nautical dusk18:5512° below
Astronomical dusk19:1918° below
Day length12 h 00 min

Sun path diagram for Labuhan Deli

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 solstice789101112131415161718EquinoxDecember solstice789101112131415161718Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 70.4° at solar noon in Labuhan Deli; on the December solstice only 62.7°. Sunrise swings from 66° ENE in June to 113° ESE in December — a 47° 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
January06:3812:3618:3411 h 56 min66.2°
February06:3812:3918:3912 h 01 min75.6°
March06:2912:3218:3612 h 07 min86.4°
April06:1712:2418:3012 h 13 min82.0°
May06:1212:2218:3112 h 19 min73.7°
June06:1612:2718:3712 h 21 min70.4°
July06:2212:3118:4112 h 19 min73.4°
August06:2112:2818:3512 h 13 min81.8°
September06:1512:1818:2212 h 07 min86.8°
October06:0912:1018:1012 h 01 min75.4°
November06:1312:1118:0911 h 56 min66.2°
December06:2612:2318:2011 h 54 min62.7°

A year of daylight in Labuhan Deli

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 Labuhan Deli

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

2°collects the most energy over a year: 1345 kWh per kWp.

14°gives the most in the darkest month — the one an off-grid system is sized for.

30%40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 2°Best worst-month 14°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°1344100%3.221.3×
2° year-round best1345100%3.261.3×
4° = latitude1344100%3.291.3×
14° off-grid best132498%3.421.2×
15°132198%3.431.2×
30°123192%3.481.4×
45°108080%3.341.7×
60°88266%3.042.2×
70°74455%2.762.5×
90°52239%2.022.0×

A fixed array in Labuhan Deli produces the most over a year at 2°. The design month for an off-grid system is December: at 14° it makes 3.42 kWh per kWp a day, 5% more than at 2°, and costs 2% of the yearly total. Why steep panels win winter.

Off-grid solar in Labuhan Deli at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 2° (year-round best).

012345January: 2.98 (70°)3.0JanFebruary: 2.84 (70°)2.8FebMarch: 2.35 (70°)2.3MarApril: 1.65 (70°)1.7AprMay: 1.28 (70°)1.3MayJune: 1.21 (70°)1.2JunJuly: 1.22 (70°)1.2JulAugust: 1.45 (70°)1.4AugSeptember: 1.89 (70°)1.9SepOctober: 2.30 (70°)2.3OctNovember: 2.59 (70°)2.6NovDecember: 2.76 (70°)2.8Dec2°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 2°Mean temp.
January4.483.652.983.6025.3 °C
February4.963.482.843.9825.7 °C
March5.182.912.354.1326.1 °C
April4.902.081.653.8726.5 °C
May4.761.621.283.7426.6 °C
June4.861.541.213.8126.3 °C
July4.721.561.223.7126.0 °C
August4.741.821.453.7526.0 °C
September4.562.361.893.6225.8 °C
October4.352.842.303.4725.6 °C
November4.143.182.593.3125.4 °C
December4.063.382.763.2625.2 °C
Year4.64 avg2.53 avg744 kWh1345 kWh

Sizing example. To run a 1 kWh-per-day load through June on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 970 Wp of panels at 70°, versus 360 Wp at 2°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Labuhan Deli

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.

1.8 mrow pitch at 70°

2.0 mrow pitch at 2°

Row spacing calculator

How Labuhan Deli compares in Indonesia

Against the other 446 places in Indonesia with climate data, for a fixed array at its best angle.

436thof 447 places in Indonesia for sunshine, shared: 4.64 peak sun hours a day on flat ground.

−10%solar energy a year compared with the average place in Indonesia: 1,345 against 1,498 kWh per kWp.

−8 mindaylight on the longest day, compared with Jakarta: 12 h 21 min against 12 h 29 min.

2°best year-round tilt here; across Indonesia it runs from 0° in Batam to 12° in Kupang.

Of the 447 places in Indonesia, Lewoleba gets the most sun (5.95 peak sun hours a day) and Kuala Tungkal the least (4.48); Labuhan Deli ranks joint 436th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.21 kWh a day here, against 1.26 kWh on average in Indonesia. The shortest day lasts 11 h 54 min, +8 min compared with Jakarta.

The sunniest places in Indonesia

Solar forecast for Labuhan Deli, 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 Labuhan Deli

What is the best solar panel angle in Labuhan Deli?
For a fixed array facing south, the best year-round tilt in Labuhan Deli is 2°, worth about 1345 kWh per kWp a year. An off-grid system that has to get through December does better at about 14°.
What time is sunrise and sunset in Labuhan Deli today?
On 25 October 2026 the sun rises at 06:09 and sets at 18:09 local time (UTC+7), giving 12 h 00 min of daylight. Solar noon is at 12:09.
How many peak sun hours does Labuhan Deli get?
On a flat surface 4.6 hours a day averaged over the year, from 4.1 in December to 5.2 in March. Panels tilted at 70° receive 1.5 sun hours a day in June.
How high does the sun get in Labuhan Deli?
At solar noon the sun stands 70.4° above the horizon on the June solstice and 62.7° on the December solstice.
Is Labuhan Deli a good place for solar panels?
With 4.6 peak sun hours a day on flat ground, Labuhan Deli ranks joint 436th of 447 places in Indonesia for sunshine. A 1 kWp array at the best angle (2°) makes about 1,345 kWh a year here, 10% less than the average place in Indonesia.

Places near Labuhan Deli

All places in Indonesia

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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.