Solarposition.org

Singapore · 1.39° N · 103.85° E

Solar position in Yio Chu Kang

Sun position, daylight and the best solar panel angle for Yio Chu Kang — computed for 1.39° N, 103.85° E, 14 m above sea level.

Sunrise today06:46102° ESE
Sunset today18:50258° WSW
Best panel angle1°year-round, facing south
Off-grid angle6°best for the darkest month

The sun right now

Azimuth180.0°
Elevation76.5°
At solar noon, 12:48Open on the sun map

Sun in Yio Chu Kang today

Sunday, 25 October 2026 · local time UTC+8

EventTimeDirection / height
Astronomical dawn05:36sun 18° below horizon
Nautical dawn06:0012° below
Civil dawn06:256° below
Sunrise06:46102° ESE
Golden hour ends07:14sun 6° up
Solar noon12:4876.5° high
Golden hour starts18:22sun 6° up
Sunset18:50258° WSW
Civil dusk19:126° below
Nautical dusk19:3612° below
Astronomical dusk20:0118° below
Day length12 h 04 min

Sun path diagram for Yio Chu Kang

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 solstice8910111213141516171819EquinoxDecember solstice89101112131415161718Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 68.0° at solar noon in Yio Chu Kang; on the December solstice only 65.2°. 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.

MonthSunriseSolar noonSunsetDay lengthNoon elevation
January07:1413:1519:1712 h 03 min68.7°
February07:1513:1819:2012 h 05 min78.1°
March07:0813:1119:1512 h 07 min88.8°
April06:5813:0319:0712 h 09 min79.5°
May06:5513:0119:0612 h 11 min71.2°
June07:0013:0619:1212 h 12 min68.0°
July07:0513:1119:1612 h 11 min70.9°
August07:0313:0719:1212 h 09 min79.3°
September06:5412:5719:0112 h 07 min89.3°
October06:4612:4918:5112 h 05 min77.9°
November06:4812:5018:5112 h 03 min68.7°
December07:0113:0219:0312 h 03 min65.2°

A year of daylight in Yio Chu Kang

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 Yio Chu Kang

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

1°collects the most energy over a year: 1342 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 1°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°1342100%3.281.3×
1° year-round best = latitude1342100%3.301.3×
6° off-grid best1337100%3.381.3×
15°130998%3.481.4×
30°120990%3.501.6×
45°104878%3.342.0×
60°84363%3.022.7×
70°70753%2.722.7×
90°49036%1.962.1×

A fixed array in Yio Chu Kang produces the most over a year at 1°. The design month for an off-grid system is December: at 6° it makes 3.38 kWh per kWp a day, 2% more than at 1°, and costs 0% of the yearly total. Why steep panels win winter.

Off-grid solar in Yio Chu Kang at 70°

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

012345January: 2.92 (70°)2.9JanFebruary: 2.87 (70°)2.9FebMarch: 2.23 (70°)2.2MarApril: 1.46 (70°)1.5AprMay: 1.10 (70°)1.1MayJune: 1.07 (70°)1.1JunJuly: 1.09 (70°)1.1JulAugust: 1.24 (70°)1.2AugSeptember: 1.74 (70°)1.7SepOctober: 2.28 (70°)2.3OctNovember: 2.59 (70°)2.6NovDecember: 2.72 (70°)2.7Dec1°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 1°Mean temp.
January4.573.592.923.6326.4 °C
February5.253.542.874.1826.6 °C
March5.272.782.234.1727.4 °C
April5.091.861.464.0128.1 °C
May4.711.421.103.6928.5 °C
June4.461.381.073.4928.1 °C
July4.481.401.093.5127.7 °C
August4.601.581.243.6127.6 °C
September4.542.191.743.5827.6 °C
October4.542.832.283.5927.7 °C
November4.303.212.593.4027.4 °C
December4.163.362.723.3026.8 °C
Year4.66 avg2.42 avg707 kWh1342 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 1,100 Wp of panels at 70°, versus 360 Wp at 1°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Yio Chu Kang

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 1°

Row spacing calculator

How Yio Chu Kang compares in Singapore

Against the other 30 places in Singapore with climate data, for a fixed array at its best angle.

8thof 31 places in Singapore for sunshine, shared: 4.66 peak sun hours a day on flat ground.

±0%solar energy a year compared with the average place in Singapore: 1,342 against 1,339 kWh per kWp.

±0 mindaylight on the longest day, compared with Singapore: 12 h 12 min against 12 h 12 min.

1°best year-round tilt here, the same everywhere in Singapore.

Of the 31 places in Singapore, Kampong Loyang and 3 other places get the most sun (4.68 peak sun hours a day) and Boon Lay the least (4.61); Yio Chu Kang ranks joint 8th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.07 kWh a day here, against 1.07 kWh on average in Singapore. The shortest day lasts 12 h 03 min, ±0 min compared with Singapore.

The sunniest places in Singapore

Solar forecast for Yio Chu Kang, 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 Yio Chu Kang

What is the best solar panel angle in Yio Chu Kang?
For a fixed array facing south, the best year-round tilt in Yio Chu Kang is 1°, worth about 1342 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 Yio Chu Kang today?
On 25 October 2026 the sun rises at 06:46 and sets at 18:50 local time (UTC+8), giving 12 h 04 min of daylight. Solar noon is at 12:48.
How many peak sun hours does Yio Chu Kang get?
On a flat surface 4.7 hours a day averaged over the year, from 4.2 in December to 5.3 in March. Panels tilted at 70° receive 1.4 sun hours a day in June.
How high does the sun get in Yio Chu Kang?
At solar noon the sun stands 68.0° above the horizon on the June solstice and 65.2° on the December solstice.
Is Yio Chu Kang a good place for solar panels?
With 4.7 peak sun hours a day on flat ground, Yio Chu Kang ranks joint 8th of 31 places in Singapore for sunshine. A 1 kWp array at the best angle (1°) makes about 1,342 kWh a year here, as much as the average place in Singapore.

Places near Yio Chu Kang

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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.