Solarposition.org

Belait · Brunei · 4.58° N · 114.23° E

Solar position in Kuala Belait

Sun position, daylight and the best solar panel angle for Kuala Belait — computed for 4.58° N, 114.23° E, 5 m above sea level.

Sunrise today06:07102° ESE
Sunset today18:06258° WSW
Best panel angle3°year-round, facing south
Off-grid angle6°best for the darkest month

The sun right now

Azimuth180.0°
Elevation73.3°
At solar noon, 12:07Open on the sun map

Sun in Kuala Belait today

Sunday, 25 October 2026 · local time UTC+8

EventTimeDirection / height
Astronomical dawn04:57sun 18° below horizon
Nautical dawn05:2112° below
Civil dawn05:466° below
Sunrise06:07102° ESE
Golden hour ends06:35sun 6° up
Solar noon12:0773.3° high
Golden hour starts17:38sun 6° up
Sunset18:06258° WSW
Civil dusk18:276° below
Nautical dusk18:5212° below
Astronomical dusk19:1618° below
Day length11 h 59 min

Sun path diagram for Kuala Belait

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 71.2° at solar noon in Kuala Belait; on the December solstice only 62.0°. 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
January06:3712:3418:3111 h 54 min65.5°
February06:3612:3618:3612 h 00 min74.9°
March06:2712:3018:3312 h 07 min85.6°
April06:1412:2118:2912 h 14 min82.7°
May06:0912:1918:2912 h 21 min74.4°
June06:1312:2418:3612 h 23 min71.2°
July06:1912:2918:3912 h 21 min74.1°
August06:1812:2618:3312 h 15 min82.5°
September06:1212:1618:1912 h 07 min86.1°
October06:0712:0718:0712 h 00 min74.7°
November06:1112:0818:0511 h 54 min65.5°
December06:2512:2018:1611 h 52 min62.0°

A year of daylight in Kuala Belait

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 Belait

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: 1474 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°1472100%3.661.2×
3° year-round best1474100%3.741.2×
5° = latitude1473100%3.791.2×
6° off-grid best1472100%3.811.2×
15°145098%3.971.3×
30°135192%4.061.5×
45°118280%3.931.8×
60°95865%3.602.5×
70°80054%3.272.9×
90°54937%2.402.3×

A fixed array in Kuala Belait produces the most over a year at 3°. The design month for an off-grid system is December: at 6° it makes 3.81 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 Kuala Belait at 70°

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

012345January: 3.21 (70°)3.2JanFebruary: 3.05 (70°)3.0FebMarch: 2.53 (70°)2.5MarApril: 1.69 (70°)1.7AprMay: 1.19 (70°)1.2MayJune: 1.14 (70°)1.1JunJuly: 1.16 (70°)1.2JulAugust: 1.45 (70°)1.4AugSeptember: 2.03 (70°)2.0SepOctober: 2.55 (70°)2.5OctNovember: 3.09 (70°)3.1NovDecember: 3.27 (70°)3.3Dec3°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 3°Mean temp.
January4.713.933.213.8026.0 °C
February5.253.743.054.2325.9 °C
March5.663.132.534.5226.2 °C
April5.662.121.694.4626.9 °C
May5.281.521.194.1227.2 °C
June5.001.461.143.8927.0 °C
July5.041.491.163.9326.8 °C
August5.191.831.454.0826.9 °C
September5.052.542.034.0026.8 °C
October4.813.152.553.8526.5 °C
November4.803.803.093.8626.5 °C
December4.644.013.273.7426.4 °C
Year5.09 avg2.72 avg800 kWh1474 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 1,030 Wp of panels at 70°, versus 320 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 Belait

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 Kuala Belait compares in Brunei

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

7thof 8 places in Brunei for sunshine, shared: 5.09 peak sun hours a day on flat ground.

−1%solar energy a year compared with the average place in Brunei: 1,474 against 1,486 kWh per kWp.

−1 mindaylight on the longest day, compared with Bandar Seri Begawan: 12 h 23 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); Kuala Belait ranks joint 7th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.14 kWh a day here, against 1.15 kWh on average in Brunei. The shortest day lasts 11 h 52 min, +1 min compared with Bandar Seri Begawan.

The sunniest places in Brunei

Solar forecast for Kuala Belait, 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 Belait

What is the best solar panel angle in Kuala Belait?
For a fixed array facing south, the best year-round tilt in Kuala Belait is 3°, worth about 1474 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 Kuala Belait today?
On 25 October 2026 the sun rises at 06:07 and sets at 18:06 local time (UTC+8), giving 11 h 59 min of daylight. Solar noon is at 12:07.
How many peak sun hours does Kuala Belait get?
On a flat surface 5.1 hours a day averaged over the year, from 4.6 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 Kuala Belait?
At solar noon the sun stands 71.2° above the horizon on the June solstice and 62.0° on the December solstice.
Is Kuala Belait a good place for solar panels?
With 5.1 peak sun hours a day on flat ground, Kuala Belait ranks joint 7th of 8 places in Brunei for sunshine. A 1 kWp array at the best angle (3°) makes about 1,474 kWh a year here, 1% less than the average place in Brunei.

Places near Kuala Belait

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.