Solarposition.org

South Sumatra · Indonesia · 3.94° S · 103.80° E

Solar position in Tanjungagung

Sun position, daylight and the best solar panel angle for Tanjungagung — computed for 3.94° S, 103.80° E, 129 m above sea level.

Sunrise today05:42102° ESE
Sunset today17:55258° WSW
Best panel angle6°year-round, facing north
Off-grid angle0°best for the darkest month

The sun right now

Azimuth180.0°
Elevation81.8°
At solar noon, 11:48Open on the sun map

Sun in Tanjungagung today

Sunday, 25 October 2026 · local time UTC+7

EventTimeDirection / height
Astronomical dawn04:31sun 18° below horizon
Nautical dawn04:5612° below
Civil dawn05:206° below
Sunrise05:42102° ESE
Golden hour ends06:10sun 6° up
Solar noon11:4881.8° high
Golden hour starts17:27sun 6° up
Sunset17:55258° WSW
Civil dusk18:166° below
Nautical dusk18:4112° below
Astronomical dusk19:0618° below
Day length12 h 14 min

Sun path diagram for Tanjungagung

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 solstice7891011121314151617EquinoxDecember solstice6789101112131415161718Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 62.6° at solar noon in Tanjungagung; on the December solstice only 70.5°. Sunrise swings from 67° ENE in June to 114° 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
January06:0612:1618:2512 h 19 min74.0°
February06:1212:1818:2412 h 13 min83.4°
March06:0812:1118:1512 h 06 min85.8°
April06:0312:0318:0312 h 00 min74.2°
May06:0312:0117:5911 h 56 min65.9°
June06:0912:0618:0311 h 54 min62.6°
July06:1312:1118:0811 h 55 min65.6°
August06:0812:0818:0812 h 00 min74.0°
September05:5411:5718:0112 h 06 min85.4°
October05:4311:4917:5512 h 13 min83.2°
November05:4111:5017:5912 h 19 min74.0°
December05:5212:0218:1312 h 21 min70.5°

A year of daylight in Tanjungagung

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 Tanjungagung

Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.

6°collects the most energy over a year: 1432 kWh per kWp.

0°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 6°Best worst-month 0°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearJanuary kWh/kWp/dayBest ÷ worst month
0° off-grid best1425100%3.711.1×
4° = latitude1431100%3.641.1×
6° year-round best1432100%3.611.2×
15°141999%3.411.2×
30°134194%2.951.4×
45°119483%2.361.7×
60°99169%1.702.2×
70°84259%1.352.5×
90°58241%1.182.1×

A fixed array in Tanjungagung produces the most over a year at 6°. The design month for an off-grid system is January: at 0° it makes 3.71 kWh per kWp a day, 3% more than at 6°, and costs 0% of the yearly total. Why steep panels win winter.

Off-grid solar in Tanjungagung at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 6° (year-round best).

012345January: 1.35 (70°)1.4JanFebruary: 1.57 (70°)1.6FebMarch: 2.13 (70°)2.1MarApril: 2.76 (70°)2.8AprMay: 3.17 (70°)3.2MayJune: 3.37 (70°)3.4JunJuly: 3.28 (70°)3.3JulAugust: 2.99 (70°)3.0AugSeptember: 2.41 (70°)2.4SepOctober: 1.77 (70°)1.8OctNovember: 1.42 (70°)1.4NovDecember: 1.39 (70°)1.4Dec6°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 6°Mean temp.
January4.651.711.353.6124.7 °C
February4.691.961.573.6824.8 °C
March5.102.632.134.0625.1 °C
April5.113.392.764.1425.4 °C
May4.863.893.173.9925.5 °C
June4.704.113.373.9025.0 °C
July4.733.993.283.9224.6 °C
August5.043.662.994.1224.8 °C
September5.212.972.414.1825.2 °C
October5.032.211.773.9625.6 °C
November4.971.791.423.8525.4 °C
December4.701.751.393.6324.8 °C
Year4.90 avg2.84 avg842 kWh1432 kWh

Sizing example. To run a 1 kWh-per-day load through January on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 870 Wp of panels at 70°, versus 330 Wp at 6°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Tanjungagung

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°

2.1 mrow pitch at 6°

Row spacing calculator

How Tanjungagung compares in Indonesia

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

345thof 447 places in Indonesia for sunshine, shared: 4.90 peak sun hours a day on flat ground.

−4%solar energy a year compared with the average place in Indonesia: 1,432 against 1,498 kWh per kWp.

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

6°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); Tanjungagung ranks joint 345th. In its darkest month, January, 1 kWp of off-grid panels at 70° makes 1.35 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 Tanjungagung, 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 Tanjungagung

What is the best solar panel angle in Tanjungagung?
For a fixed array facing north, the best year-round tilt in Tanjungagung is 6°, worth about 1432 kWh per kWp a year. An off-grid system that has to get through January does better at about 0°.
What time is sunrise and sunset in Tanjungagung today?
On 25 October 2026 the sun rises at 05:42 and sets at 17:55 local time (UTC+7), giving 12 h 14 min of daylight. Solar noon is at 11:48.
How many peak sun hours does Tanjungagung get?
On a flat surface 4.9 hours a day averaged over the year, from 4.7 in January to 5.2 in September. Panels tilted at 70° receive 1.7 sun hours a day in January.
How high does the sun get in Tanjungagung?
At solar noon the sun stands 62.6° above the horizon on the June solstice and 70.5° on the December solstice.
Is Tanjungagung a good place for solar panels?
With 4.9 peak sun hours a day on flat ground, Tanjungagung ranks joint 345th of 447 places in Indonesia for sunshine. A 1 kWp array at the best angle (6°) makes about 1,432 kWh a year here, 4% less than the average place in Indonesia.

Places near Tanjungagung

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.