Solarposition.org

Jambi · Indonesia · 0.82° S · 103.46° E

Solar position in Kuala Tungkal

Sun position, daylight and the best solar panel angle for Kuala Tungkal — computed for 0.82° S, 103.46° E, 6 m above sea level.

Sunrise today05:46102° ESE
Sunset today17:54258° WSW
Best panel angle3°year-round, facing north
Off-grid angle0°best for the darkest month

The sun right now

Azimuth180.0°
Elevation78.7°
At solar noon, 11:50Open on the sun map

Sun in Kuala Tungkal today

Sunday, 25 October 2026 · local time UTC+7

EventTimeDirection / height
Astronomical dawn04:35sun 18° below horizon
Nautical dawn05:0012° below
Civil dawn05:256° below
Sunrise05:46102° ESE
Golden hour ends06:14sun 6° up
Solar noon11:5078.7° high
Golden hour starts17:26sun 6° up
Sunset17:54258° WSW
Civil dusk18:156° below
Nautical dusk18:4012° below
Astronomical dusk19:0418° below
Day length12 h 08 min

Sun path diagram for Kuala Tungkal

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 65.8° at solar noon in Kuala Tungkal; on the December solstice only 67.4°. 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
January06:1212:1718:2212 h 10 min70.9°
February06:1512:1918:2312 h 08 min80.3°
March06:1012:1318:1612 h 06 min88.9°
April06:0212:0418:0712 h 05 min77.3°
May06:0012:0218:0512 h 05 min69.0°
June06:0512:0718:1012 h 05 min65.8°
July06:1012:1218:1412 h 05 min68.7°
August06:0612:0918:1212 h 05 min77.1°
September05:5611:5918:0212 h 06 min88.5°
October05:4611:5017:5412 h 08 min80.1°
November05:4711:5117:5612 h 10 min70.9°
December05:5812:0418:0912 h 10 min67.4°

A year of daylight in Kuala Tungkal

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 Kuala Tungkal

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

3°collects the most energy over a year: 1294 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 3°Best worst-month 0°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0° off-grid best1292100%3.211.2×
1° = latitude1293100%3.201.2×
3° year-round best1294100%3.171.2×
15°127398%2.921.3×
30°119092%2.491.5×
45°104981%1.961.8×
60°86267%1.412.3×
70°73457%1.242.4×
90°51139%1.071.9×

A fixed array in Kuala Tungkal produces the most over a year at 3°. The design month for an off-grid system is December: at 0° it makes 3.21 kWh per kWp a day, 1% more than at 3°, and costs 0% of the yearly total. Why steep panels win winter.

Off-grid solar in Kuala Tungkal at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 3° (year-round best).

012345January: 1.25 (70°)1.2JanFebruary: 1.42 (70°)1.4FebMarch: 1.88 (70°)1.9MarApril: 2.38 (70°)2.4AprMay: 2.76 (70°)2.8MayJune: 2.93 (70°)2.9JunJuly: 2.86 (70°)2.9JulAugust: 2.58 (70°)2.6AugSeptember: 2.01 (70°)2.0SepOctober: 1.50 (70°)1.5OctNovember: 1.27 (70°)1.3NovDecember: 1.24 (70°)1.2Dec3°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 3°Mean temp.
January4.281.591.253.3426.2 °C
February4.651.801.423.6526.5 °C
March4.772.351.883.7727.0 °C
April4.672.952.383.7227.4 °C
May4.543.412.763.6327.5 °C
June4.433.612.933.5527.1 °C
July4.463.532.863.5926.7 °C
August4.643.182.583.7126.8 °C
September4.542.512.013.6026.9 °C
October4.411.891.503.4627.1 °C
November4.331.621.273.3826.8 °C
December4.081.581.243.1726.4 °C
Year4.48 avg2.51 avg734 kWh1294 kWh

Sizing example. To run a 1 kWh-per-day load through December on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 950 Wp of panels at 70°, versus 370 Wp at 3°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Kuala Tungkal

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.

1.7 mrow pitch at 70°

2.1 mrow pitch at 3°

Row spacing calculator

How Kuala Tungkal compares in Indonesia

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

447thof 447 places in Indonesia for sunshine: 4.48 peak sun hours a day on flat ground.

−14%solar energy a year compared with the average place in Indonesia: 1,294 against 1,498 kWh per kWp.

−19 mindaylight on the longest day, compared with Jakarta: 12 h 10 min against 12 h 29 min.

3°best year-round tilt here; across Indonesia it runs from 0° in Batam to 12° in Kupang.

Kuala Tungkal gets the least sun of the 447 places in Indonesia (4.48 peak sun hours a day); the sunniest is Lewoleba with 5.95. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.24 kWh a day here, against 1.26 kWh on average in Indonesia. The shortest day lasts 12 h 05 min, +19 min compared with Jakarta.

The sunniest places in Indonesia

Solar forecast for Kuala Tungkal, 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 Kuala Tungkal

What is the best solar panel angle in Kuala Tungkal?
For a fixed array facing north, the best year-round tilt in Kuala Tungkal is 3°, worth about 1294 kWh per kWp a year. An off-grid system that has to get through December does better at about 0°.
What time is sunrise and sunset in Kuala Tungkal today?
On 25 October 2026 the sun rises at 05:46 and sets at 17:54 local time (UTC+7), giving 12 h 08 min of daylight. Solar noon is at 11:50.
How many peak sun hours does Kuala Tungkal get?
On a flat surface 4.5 hours a day averaged over the year, from 4.1 in December to 4.8 in March. Panels tilted at 70° receive 1.6 sun hours a day in December.
How high does the sun get in Kuala Tungkal?
At solar noon the sun stands 65.8° above the horizon on the June solstice and 67.4° on the December solstice.
Is Kuala Tungkal a good place for solar panels?
With 4.5 peak sun hours a day on flat ground, Kuala Tungkal ranks 447th of 447 places in Indonesia for sunshine. A 1 kWp array at the best angle (3°) makes about 1,294 kWh a year here, 14% less than the average place in Indonesia.

Places near Kuala Tungkal

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.