Solarposition.org

North Sumatra · Indonesia · 0.57° N · 97.80° E

Solar position in Teluk Dalam

Sun position, daylight and the best solar panel angle for Teluk Dalam — computed for 0.57° N, 97.80° E, 41 m above sea level.

Sunrise today06:10102° ESE
Sunset today18:15258° WSW
Best panel angle0°year-round, facing south
Off-grid angle8°best for the darkest month

The sun right now

Azimuth180.0°
Elevation77.3°
At solar noon, 12:12Open on the sun map

Sun in Teluk Dalam today

Sunday, 25 October 2026 · local time UTC+7

EventTimeDirection / height
Astronomical dawn04:59sun 18° below horizon
Nautical dawn05:2412° below
Civil dawn05:486° below
Sunrise06:10102° ESE
Golden hour ends06:37sun 6° up
Solar noon12:1277.3° high
Golden hour starts17:47sun 6° up
Sunset18:15258° WSW
Civil dusk18:366° below
Nautical dusk19:0112° below
Astronomical dusk19:2618° below
Day length12 h 06 min

Sun path diagram for Teluk Dalam

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 67.1° at solar noon in Teluk Dalam; on the December solstice only 66.0°. Sunrise swings from 67° 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
January06:3712:4018:4212 h 06 min69.5°
February06:3912:4218:4512 h 06 min78.9°
March06:3212:3618:3912 h 07 min89.7°
April06:2312:2718:3112 h 08 min78.7°
May06:2012:2518:2912 h 09 min70.4°
June06:2512:3018:3512 h 09 min67.1°
July06:3012:3518:3912 h 09 min70.1°
August06:2812:3218:3512 h 08 min78.5°
September06:1812:2118:2512 h 07 min89.9°
October06:1012:1318:1612 h 06 min78.7°
November06:1112:1418:1712 h 06 min69.5°
December06:2312:2618:2912 h 06 min66.0°

A year of daylight in Teluk Dalam

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 Teluk Dalam

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

0°collects the most energy over a year: 1377 kWh per kWp.

8°gives the most in the darkest month — the one an off-grid system is sized for.

20%30%40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 0°Best worst-month 8°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearNovember kWh/kWp/dayBest ÷ worst month
0° year-round best1377100%3.411.2×
1° = latitude1377100%3.431.2×
8° off-grid best136799%3.511.2×
15°134197%3.561.3×
30°123490%3.521.6×
45°106577%3.302.1×
60°85262%2.922.9×
70°71652%2.593.0×
90°49636%1.772.3×

A fixed array in Teluk Dalam produces the most over a year at 0°. The design month for an off-grid system is November: at 8° it makes 3.51 kWh per kWp a day, 3% more than at 0°, and costs 1% of the yearly total. Why steep panels win winter.

Off-grid solar in Teluk Dalam at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 0° (year-round best).

012345January: 3.16 (70°)3.2JanFebruary: 2.83 (70°)2.8FebMarch: 2.14 (70°)2.1MarApril: 1.39 (70°)1.4AprMay: 1.08 (70°)1.1MayJune: 1.05 (70°)1.1JunJuly: 1.09 (70°)1.1JulAugust: 1.24 (70°)1.2AugSeptember: 1.74 (70°)1.7SepOctober: 2.26 (70°)2.3OctNovember: 2.59 (70°)2.6NovDecember: 3.03 (70°)3.0Dec0°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 0°Mean temp.
January4.973.903.163.9127.6 °C
February5.283.502.834.1627.9 °C
March5.152.672.144.0628.0 °C
April4.801.771.393.7928.0 °C
May4.951.401.083.9028.4 °C
June4.761.361.053.7528.2 °C
July4.701.401.093.7027.8 °C
August4.711.581.243.7127.7 °C
September4.632.191.743.6627.4 °C
October4.572.822.263.6127.3 °C
November4.333.202.593.4127.1 °C
December4.613.743.033.6327.3 °C
Year4.79 avg2.46 avg716 kWh1377 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 1,120 Wp of panels at 70°, versus 350 Wp at 0°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Teluk Dalam

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.

1.6 mrow pitch at 70°

2.0 mrow pitch at 0°

Row spacing calculator

How Teluk Dalam compares in Indonesia

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

384thof 447 places in Indonesia for sunshine, shared: 4.79 peak sun hours a day on flat ground.

−8%solar energy a year compared with the average place in Indonesia: 1,377 against 1,498 kWh per kWp.

−20 mindaylight on the longest day, compared with Jakarta: 12 h 09 min against 12 h 29 min.

0°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); Teluk Dalam ranks joint 384th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.05 kWh a day here, against 1.26 kWh on average in Indonesia. The shortest day lasts 12 h 06 min, +20 min compared with Jakarta.

The sunniest places in Indonesia

Solar forecast for Teluk Dalam, 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 Teluk Dalam

What is the best solar panel angle in Teluk Dalam?
For a fixed array facing south, the best year-round tilt in Teluk Dalam is 0°, worth about 1377 kWh per kWp a year. An off-grid system that has to get through November does better at about 8°.
What time is sunrise and sunset in Teluk Dalam today?
On 25 October 2026 the sun rises at 06:10 and sets at 18:15 local time (UTC+7), giving 12 h 06 min of daylight. Solar noon is at 12:12.
How many peak sun hours does Teluk Dalam get?
On a flat surface 4.8 hours a day averaged over the year, from 4.3 in November to 5.3 in February. Panels tilted at 70° receive 1.4 sun hours a day in June.
How high does the sun get in Teluk Dalam?
At solar noon the sun stands 67.1° above the horizon on the June solstice and 66.0° on the December solstice.
Is Teluk Dalam a good place for solar panels?
With 4.8 peak sun hours a day on flat ground, Teluk Dalam ranks joint 384th of 447 places in Indonesia for sunshine. A 1 kWp array at the best angle (0°) makes about 1,377 kWh a year here, 8% less than the average place in Indonesia.

Places near Teluk Dalam

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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.