Solarposition.org

Brunei-Muara District · Brunei · 4.89° N · 114.94° E

Solar position in Bandar Seri Begawan

Sun position, daylight and the best solar panel angle for Bandar Seri Begawan — computed for 4.89° N, 114.94° E, 10 m above sea level.

Sunrise today06:05102° ESE
Sunset today18:03258° WSW
Best panel angle3°year-round, facing south
Off-grid angle6°best for the darkest month

The sun right now

Azimuth180.0°
Elevation73.0°
At solar noon, 12:04Open on the sun map

Sun in Bandar Seri Begawan today

Sunday, 25 October 2026 · local time UTC+8

EventTimeDirection / height
Astronomical dawn04:54sun 18° below horizon
Nautical dawn05:1912° below
Civil dawn05:436° below
Sunrise06:05102° ESE
Golden hour ends06:33sun 6° up
Solar noon12:0473.0° high
Golden hour starts17:35sun 6° up
Sunset18:03258° WSW
Civil dusk18:246° below
Nautical dusk18:4912° below
Astronomical dusk19:1318° below
Day length11 h 58 min

Sun path diagram for Bandar Seri Begawan

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 71.5° at solar noon in Bandar Seri Begawan; on the December solstice only 61.7°. Sunrise swings from 66° 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
January06:3412:3118:2711 h 53 min65.2°
February06:3412:3318:3311 h 59 min74.5°
March06:2412:2718:3012 h 07 min85.3°
April06:1112:1818:2612 h 15 min83.0°
May06:0612:1618:2712 h 22 min74.7°
June06:0912:2118:3412 h 24 min71.5°
July06:1512:2618:3712 h 22 min74.4°
August06:1512:2318:3112 h 15 min82.8°
September06:0912:1318:1612 h 07 min85.8°
October06:0512:0418:0411 h 59 min74.4°
November06:0912:0518:0211 h 53 min65.2°
December06:2212:1818:1311 h 51 min61.7°

A year of daylight in Bandar Seri Begawan

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 Bandar Seri Begawan

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

3°collects the most energy over a year: 1489 kWh per kWp.

6°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 3°Best worst-month 6°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°1487100%3.691.2×
3° year-round best1489100%3.771.2×
5° = latitude1489100%3.821.2×
6° off-grid best1488100%3.841.2×
15°146698%4.011.3×
30°136892%4.101.5×
45°119880%3.981.8×
60°97365%3.652.5×
70°81255%3.322.9×
90°55637%2.442.4×

A fixed array in Bandar Seri Begawan produces the most over a year at 3°. The design month for an off-grid system is December: at 6° it makes 3.84 kWh per kWp a day, 2% more than at 3°, and costs 0% of the yearly total. Why steep panels win winter.

Off-grid solar in Bandar Seri Begawan at 70°

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

012345January: 3.26 (70°)3.3JanFebruary: 3.11 (70°)3.1FebMarch: 2.55 (70°)2.6MarApril: 1.70 (70°)1.7AprMay: 1.21 (70°)1.2MayJune: 1.16 (70°)1.2JunJuly: 1.18 (70°)1.2JulAugust: 1.47 (70°)1.5AugSeptember: 2.07 (70°)2.1SepOctober: 2.58 (70°)2.6OctNovember: 3.14 (70°)3.1NovDecember: 3.32 (70°)3.3Dec3°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 3°Mean temp.
January4.753.993.263.8525.1 °C
February5.293.793.114.2825.0 °C
March5.653.142.554.5325.4 °C
April5.702.131.704.5126.1 °C
May5.311.541.214.1626.3 °C
June5.041.481.163.9426.0 °C
July5.061.501.183.9725.8 °C
August5.231.851.474.1325.8 °C
September5.102.562.074.0625.8 °C
October4.843.182.583.8825.6 °C
November4.823.843.143.8925.6 °C
December4.654.063.323.7725.5 °C
Year5.12 avg2.75 avg812 kWh1489 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 1,020 Wp of panels at 70°, versus 310 Wp at 3°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Bandar Seri Begawan

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 3°

Row spacing calculator

How Bandar Seri Begawan compares in Brunei

Against the other 7 places in Brunei with climate data, for a fixed array at its best angle.

3rdof 8 places in Brunei for sunshine, shared: 5.12 peak sun hours a day on flat ground.

±0%solar energy a year compared with the average place in Brunei: 1,489 against 1,486 kWh per kWp.

±0 mindaylight on the longest day, compared with the average place in Brunei: 12 h 24 min against 12 h 24 min.

3°best year-round tilt here; across Brunei it runs from 3° in Bandar Seri Begawan to 4° in Sengkurong.

Of the 8 places in Brunei, Serasa gets the most sun (5.15 peak sun hours a day) and Kuala Belait and one other place the least (5.09); Bandar Seri Begawan ranks joint 3rd. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.16 kWh a day here, against 1.15 kWh on average in Brunei. The shortest day lasts 11 h 51 min, ±0 min compared with the average.

The sunniest places in Brunei

Solar forecast for Bandar Seri Begawan, 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 Bandar Seri Begawan

What is the best solar panel angle in Bandar Seri Begawan?
For a fixed array facing south, the best year-round tilt in Bandar Seri Begawan is 3°, worth about 1489 kWh per kWp a year. An off-grid system that has to get through December does better at about 6°.
What time is sunrise and sunset in Bandar Seri Begawan today?
On 25 October 2026 the sun rises at 06:05 and sets at 18:03 local time (UTC+8), giving 11 h 58 min of daylight. Solar noon is at 12:04.
How many peak sun hours does Bandar Seri Begawan get?
On a flat surface 5.1 hours a day averaged over the year, from 4.7 in December to 5.7 in April. Panels tilted at 70° receive 1.5 sun hours a day in June.
How high does the sun get in Bandar Seri Begawan?
At solar noon the sun stands 71.5° above the horizon on the June solstice and 61.7° on the December solstice.
Is Bandar Seri Begawan a good place for solar panels?
With 5.1 peak sun hours a day on flat ground, Bandar Seri Begawan ranks joint 3rd of 8 places in Brunei for sunshine. A 1 kWp array at the best angle (3°) makes about 1,489 kWh a year here, as much as the average place in Brunei.

Places near Bandar Seri Begawan

All places in Brunei

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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.