Sarawak · Malaysia · 2.24° N · 111.97° E
Solar position in Sibu Jaya
Sun position, daylight and the best solar panel angle for Sibu Jaya — computed for 2.24° N, 111.97° E, 68 m above sea level.
The sun right now
Sun in Sibu Jaya today
Sunday, 25 October 2026 · local time UTC+8
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:04 | sun 18° below horizon |
| Nautical dawn | 05:29 | 12° below |
| Civil dawn | 05:53 | 6° below |
| Sunrise | 06:14 | 102° ESE |
| Golden hour ends | 06:42 | sun 6° up |
| Solar noon | 12:16 | 75.7° high |
| Golden hour starts | 17:49 | sun 6° up |
| Sunset | 18:17 | 258° WSW |
| Civil dusk | 18:38 | 6° below |
| Nautical dusk | 19:03 | 12° below |
| Astronomical dusk | 19:27 | 18° below |
| Day length | 12 h 03 min | |
Sun path diagram for Sibu Jaya
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 68.8° at solar noon in Sibu Jaya; on the December solstice only 64.3°. 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.
| Month | Sunrise | Solar noon | Sunset | Day length | Noon elevation |
|---|---|---|---|---|---|
| January | 06:42 | 12:43 | 18:43 | 12 h 01 min | 67.9° |
| February | 06:44 | 12:45 | 18:47 | 12 h 03 min | 77.2° |
| March | 06:36 | 12:39 | 18:42 | 12 h 07 min | 88.0° |
| April | 06:25 | 12:30 | 18:36 | 12 h 10 min | 80.4° |
| May | 06:21 | 12:28 | 18:35 | 12 h 14 min | 72.1° |
| June | 06:26 | 12:33 | 18:41 | 12 h 15 min | 68.8° |
| July | 06:31 | 12:38 | 18:45 | 12 h 14 min | 71.8° |
| August | 06:30 | 12:35 | 18:40 | 12 h 11 min | 80.1° |
| September | 06:21 | 12:25 | 18:28 | 12 h 07 min | 88.5° |
| October | 06:15 | 12:16 | 18:18 | 12 h 03 min | 77.1° |
| November | 06:17 | 12:17 | 18:18 | 12 h 01 min | 67.9° |
| December | 06:30 | 12:30 | 18:29 | 12 h 00 min | 64.3° |
A year of daylight in Sibu Jaya
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 Sibu Jaya
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
0°collects the most energy over a year: 1379 kWh per kWp.
9°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 | January kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° year-round best | 1379 | 100% | 3.43 | 1.2× |
| 2° = latitude | 1378 | 100% | 3.46 | 1.2× |
| 9° off-grid best | 1366 | 99% | 3.56 | 1.1× |
| 15° | 1344 | 97% | 3.62 | 1.2× |
| 30° | 1239 | 90% | 3.62 | 1.4× |
| 45° | 1073 | 78% | 3.44 | 1.8× |
| 60° | 862 | 63% | 3.09 | 2.5× |
| 70° | 722 | 52% | 2.77 | 2.7× |
| 90° | 506 | 37% | 1.98 | 2.1× |
A fixed array in Sibu Jaya produces the most over a year at 0°. The design month for an off-grid system is January: at 9° it makes 3.56 kWh per kWp a day, 4% more than at 0°, and costs 1% of the yearly total. Why steep panels win winter.
Off-grid solar in Sibu Jaya at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 0° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 0° | Mean temp. |
|---|---|---|---|---|---|
| January | 4.33 | 3.40 | 2.77 | 3.43 | 25.5 °C |
| February | 4.67 | 3.19 | 2.59 | 3.71 | 25.4 °C |
| March | 5.05 | 2.76 | 2.23 | 4.02 | 25.8 °C |
| April | 5.10 | 1.93 | 1.54 | 4.05 | 26.3 °C |
| May | 4.93 | 1.45 | 1.13 | 3.91 | 26.6 °C |
| June | 4.83 | 1.41 | 1.10 | 3.83 | 26.3 °C |
| July | 4.93 | 1.46 | 1.14 | 3.92 | 26.1 °C |
| August | 4.97 | 1.67 | 1.32 | 3.95 | 26.2 °C |
| September | 4.71 | 2.30 | 1.84 | 3.74 | 26.1 °C |
| October | 4.60 | 2.91 | 2.36 | 3.65 | 25.9 °C |
| November | 4.58 | 3.47 | 2.82 | 3.63 | 25.8 °C |
| December | 4.42 | 3.61 | 2.94 | 3.50 | 25.7 °C |
| Year | 4.76 avg | 2.46 avg | 722 kWh | 1379 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 1,070 Wp of panels at 70°, versus 340 Wp at 0°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Sibu Jaya
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°
2.0 mrow pitch at 0°
How Sibu Jaya compares in Malaysia
Against the other 349 places in Malaysia with climate data, for a fixed array at its best angle.
283rdof 350 places in Malaysia for sunshine, shared: 4.76 peak sun hours a day on flat ground.
−2%solar energy a year compared with the average place in Malaysia: 1,379 against 1,411 kWh per kWp.
−3 mindaylight on the longest day, compared with Kuala Lumpur: 12 h 15 min against 12 h 18 min.
0°best year-round tilt here; across Malaysia it runs from 0° in Kuching to 7° in Kangar.
Of the 350 places in Malaysia, Kuala Penyu gets the most sun (5.27 peak sun hours a day) and Pekan Nenas and 3 other places the least (4.60); Sibu Jaya ranks joint 283rd. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.10 kWh a day here, against 1.18 kWh on average in Malaysia. The shortest day lasts 12 h 00 min, +3 min compared with Kuala Lumpur.
Solar forecast for Sibu Jaya, 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 Sibu Jaya
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A free, live card for Sibu Jaya: 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.