Indonesia · 3.80° S · 102.27° E
Solar position in Bengkulu
Sun position, daylight and the best solar panel angle for Bengkulu — computed for 3.80° S, 102.27° E, 19 m above sea level.
The sun right now
Sun in Bengkulu today
Sunday, 25 October 2026 · local time UTC+7
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:37 | sun 18° below horizon |
| Nautical dawn | 05:02 | 12° below |
| Civil dawn | 05:27 | 6° below |
| Sunrise | 05:48 | 102° ESE |
| Golden hour ends | 06:16 | sun 6° up |
| Solar noon | 11:55 | 81.7° high |
| Golden hour starts | 17:33 | sun 6° up |
| Sunset | 18:01 | 258° WSW |
| Civil dusk | 18:22 | 6° below |
| Nautical dusk | 18:47 | 12° below |
| Astronomical dusk | 19:12 | 18° below |
| Day length | 12 h 13 min | |
Sun path diagram for Bengkulu
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 62.8° at solar noon in Bengkulu; on the December solstice only 70.4°. 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.
| Month | Sunrise | Solar noon | Sunset | Day length | Noon elevation |
|---|---|---|---|---|---|
| January | 06:13 | 12:22 | 18:31 | 12 h 18 min | 73.9° |
| February | 06:18 | 12:24 | 18:30 | 12 h 12 min | 83.2° |
| March | 06:14 | 12:18 | 18:21 | 12 h 06 min | 86.0° |
| April | 06:09 | 12:09 | 18:09 | 12 h 00 min | 74.3° |
| May | 06:09 | 12:07 | 18:05 | 11 h 56 min | 66.0° |
| June | 06:15 | 12:12 | 18:09 | 11 h 54 min | 62.8° |
| July | 06:19 | 12:17 | 18:15 | 11 h 56 min | 65.7° |
| August | 06:14 | 12:14 | 18:14 | 12 h 00 min | 74.1° |
| September | 06:01 | 12:04 | 18:07 | 12 h 06 min | 85.5° |
| October | 05:49 | 11:55 | 18:01 | 12 h 12 min | 83.1° |
| November | 05:47 | 11:56 | 18:05 | 12 h 18 min | 73.9° |
| December | 05:58 | 12:08 | 18:19 | 12 h 21 min | 70.4° |
A year of daylight in Bengkulu
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 Bengkulu
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: 1431 kWh per kWp.
0°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° off-grid best | 1425 | 100% | 3.69 | 1.1× |
| 4° = latitude | 1430 | 100% | 3.62 | 1.2× |
| 6° year-round best | 1431 | 100% | 3.57 | 1.2× |
| 15° | 1416 | 99% | 3.35 | 1.2× |
| 30° | 1334 | 93% | 2.85 | 1.5× |
| 45° | 1182 | 83% | 2.22 | 1.8× |
| 60° | 974 | 68% | 1.55 | 2.4× |
| 70° | 824 | 58% | 1.29 | 2.7× |
| 90° | 566 | 40% | 1.13 | 2.2× |
A fixed array in Bengkulu produces the most over a year at 6°. The design month for an off-grid system is December: at 0° it makes 3.69 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 Bengkulu at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 6° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 6° | Mean temp. |
|---|---|---|---|---|---|
| January | 4.88 | 1.60 | 1.26 | 3.76 | 25.4 °C |
| February | 5.02 | 1.91 | 1.52 | 3.93 | 25.6 °C |
| March | 5.24 | 2.62 | 2.12 | 4.17 | 25.7 °C |
| April | 5.11 | 3.37 | 2.74 | 4.13 | 25.9 °C |
| May | 4.88 | 3.90 | 3.18 | 4.00 | 26.2 °C |
| June | 4.72 | 4.14 | 3.39 | 3.90 | 25.9 °C |
| July | 4.69 | 3.96 | 3.24 | 3.87 | 25.5 °C |
| August | 4.93 | 3.57 | 2.91 | 4.03 | 25.4 °C |
| September | 5.06 | 2.88 | 2.33 | 4.06 | 25.3 °C |
| October | 4.90 | 2.14 | 1.72 | 3.86 | 25.4 °C |
| November | 4.85 | 1.71 | 1.35 | 3.76 | 25.4 °C |
| December | 4.64 | 1.63 | 1.29 | 3.57 | 25.2 °C |
| Year | 4.91 avg | 2.79 avg | 824 kWh | 1431 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 940 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 Bengkulu
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°
How Bengkulu compares in Indonesia
Against the other 446 places in Indonesia with climate data, for a fixed array at its best angle.
337thof 447 places in Indonesia for sunshine, shared: 4.91 peak sun hours a day on flat ground.
−5%solar energy a year compared with the average place in Indonesia: 1,431 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); Bengkulu ranks joint 337th. In its darkest month, January, 1 kWp of off-grid panels at 70° makes 1.26 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.
Solar forecast for Bengkulu, 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 Bengkulu
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Places near Bengkulu
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A free, live card for Bengkulu: 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.