Central Java · Indonesia · 7.52° S · 109.05° E
Solar position in Wangon
Sun position, daylight and the best solar panel angle for Wangon — computed for 7.52° S, 109.05° E, 32 m above sea level.
The sun right now
Sun in Wangon today
Sunday, 25 October 2026 · local time UTC+7
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:06 | sun 18° below horizon |
| Nautical dawn | 04:31 | 12° below |
| Civil dawn | 04:56 | 6° below |
| Sunrise | 05:18 | 102° ESE |
| Golden hour ends | 05:46 | sun 6° up |
| Solar noon | 11:27 | 85.4° high |
| Golden hour starts | 17:09 | sun 6° up |
| Sunset | 17:37 | 258° WSW |
| Civil dusk | 17:59 | 6° below |
| Nautical dusk | 18:24 | 12° below |
| Astronomical dusk | 18:49 | 18° below |
| Day length | 12 h 20 min | |
Sun path diagram for Wangon
Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.
- June solstice
- Equinox
- December solstice
- Today
On the June solstice the sun reaches 59.1° at solar noon in Wangon; on the December solstice only 74.1°. Sunrise swings from 66° 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.
| Month | Sunrise | Solar noon | Sunset | Day length | Noon elevation |
|---|---|---|---|---|---|
| January | 05:40 | 11:55 | 18:09 | 12 h 29 min | 77.6° |
| February | 05:48 | 11:57 | 18:06 | 12 h 18 min | 87.0° |
| March | 05:47 | 11:50 | 17:54 | 12 h 06 min | 82.3° |
| April | 05:45 | 11:42 | 17:39 | 11 h 54 min | 70.6° |
| May | 05:47 | 11:40 | 17:32 | 11 h 45 min | 62.3° |
| June | 05:54 | 11:45 | 17:36 | 11 h 41 min | 59.1° |
| July | 05:57 | 11:50 | 17:42 | 11 h 45 min | 62.0° |
| August | 05:50 | 11:47 | 17:43 | 11 h 54 min | 70.4° |
| September | 05:34 | 11:37 | 17:39 | 12 h 06 min | 81.8° |
| October | 05:19 | 11:28 | 17:37 | 12 h 18 min | 86.8° |
| November | 05:15 | 11:29 | 17:44 | 12 h 29 min | 77.6° |
| December | 05:24 | 11:41 | 17:58 | 12 h 34 min | 74.1° |
A year of daylight in Wangon
Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.
Best solar panel angle in Wangon
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
10°collects the most energy over a year: 1457 kWh per kWp.
3°gives the most in the darkest month — the one an off-grid system is sized for.
- Yearly energy
- Worst-month energy
| Tilt | kWh/kWp per year | Share of best year | December kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1441 | 99% | 3.77 | 1.2× |
| 3° off-grid best | 1450 | 99% | 3.73 | 1.2× |
| 8° = latitude | 1457 | 100% | 3.63 | 1.2× |
| 10° year-round best | 1457 | 100% | 3.59 | 1.2× |
| 15° | 1452 | 100% | 3.47 | 1.3× |
| 30° | 1386 | 95% | 2.99 | 1.5× |
| 45° | 1245 | 85% | 2.37 | 1.8× |
| 60° | 1043 | 72% | 1.69 | 2.3× |
| 70° | 886 | 61% | 1.31 | 2.7× |
| 90° | 606 | 42% | 1.14 | 2.5× |
A fixed array in Wangon produces the most over a year at 10°. The design month for an off-grid system is December: at 3° it makes 3.73 kWh per kWp a day, 4% more than at 10°, and costs 1% of the yearly total. Why steep panels win winter.
Off-grid solar in Wangon at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 10° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 10° | Mean temp. |
|---|---|---|---|---|---|
| January | 4.93 | 1.69 | 1.33 | 3.73 | 25.9 °C |
| February | 4.87 | 2.03 | 1.62 | 3.77 | 25.9 °C |
| March | 5.08 | 2.73 | 2.20 | 4.04 | 26.1 °C |
| April | 4.99 | 3.51 | 2.86 | 4.08 | 26.3 °C |
| May | 4.77 | 4.09 | 3.34 | 4.02 | 26.1 °C |
| June | 4.58 | 4.33 | 3.55 | 3.93 | 25.3 °C |
| July | 4.69 | 4.29 | 3.53 | 4.02 | 24.3 °C |
| August | 5.22 | 4.09 | 3.36 | 4.40 | 24.0 °C |
| September | 5.47 | 3.27 | 2.67 | 4.44 | 24.6 °C |
| October | 5.26 | 2.35 | 1.89 | 4.12 | 25.6 °C |
| November | 4.91 | 1.79 | 1.42 | 3.74 | 26.0 °C |
| December | 4.76 | 1.66 | 1.31 | 3.59 | 25.9 °C |
| Year | 4.96 avg | 2.99 avg | 886 kWh | 1457 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 900 Wp of panels at 70°, versus 330 Wp at 10°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Wangon
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.
2.0 mrow pitch at 70°
2.2 mrow pitch at 10°
How Wangon compares in Indonesia
Against the other 446 places in Indonesia with climate data, for a fixed array at its best angle.
310thof 447 places in Indonesia for sunshine, shared: 4.96 peak sun hours a day on flat ground.
−3%solar energy a year compared with the average place in Indonesia: 1,457 against 1,498 kWh per kWp.
+5 mindaylight on the longest day, compared with Jakarta: 12 h 34 min against 12 h 29 min.
10°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); Wangon ranks joint 310th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.31 kWh a day here, against 1.26 kWh on average in Indonesia. The shortest day lasts 11 h 41 min, −5 min compared with Jakarta.
Solar forecast for Wangon, next 48 hours
Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.
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Questions about the sun in Wangon
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Places near Wangon
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A free, live card for Wangon: where the sun is right now on today's path, a countdown to sunset or sunrise, the daylight change, the moon phase at night and the best panel angle.
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.